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1 f subjective experience can be traced to the Cambrian.
2 ing complexity that had evolved by the early Cambrian.
3 ystem over 500 million years ago in the late Cambrian.
4 e and abundant invertebrate phylum since the Cambrian.
5 h is common today, originated from the early Cambrian.
6 nd-based ecology persisted into the earliest Cambrian.
7  most compelling neuroanatomy known from the Cambrian.
8 and modified global carbon cycling since the Cambrian.
9 es normally considered characteristic of the Cambrian.
10 lans have changed so greatly since the early Cambrian.
11 ran, while most other deep nodes date to the Cambrian.
12 onary stasis throughout the remainder of the Cambrian.
13 e appearance of large metazoans in the early Cambrian.
14 ged during the latest Ediacaran and earliest Cambrian (~20 million years), followed by broad-scale ev
15  vertebrates (including mammals) in the late Cambrian, 500 million years ago.
16               Here we describe several early Cambrian (~535 million years old) kinorhynch-like fossil
17 ans during the Ediacaran (635 to 541 Ma) and Cambrian (541 to 488 Ma) periods.
18 that the sudden appearance of fossils in the Cambrian (541-485 million years ago) is real and not an
19  of exceptionally preserved early and middle Cambrian (542-501 million years ago) biotas and have com
20 appearance in the fossil record in the early Cambrian, 542 million years ago, is the occurrence of tr
21  invertebrates associated with the Ediacaran-Cambrian (578-510 Ma) diversification of Metazoa.
22 lved and rapidly diversified during the late Cambrian, a time interval between the two diversificatio
23 ly, recent fossil descriptions show a Middle Cambrian acorn worm lived in tubes, leading to speculati
24 ar from the fossil record in the late Middle Cambrian, after which the Palaeozoic fauna dominates.
25 rse crustacean appendages of Middle and Late Cambrian age from shallow-marine mudstones of the Deadwo
26 ecular estimates for myriapod origins in the Cambrian and a post-Ordovician crown group fossil record
27 as of Burgess Shale type persisted after the Cambrian and are preserved where suitable facies occur.
28 hat were the largest nektonic animals of the Cambrian and Ordovician periods, are generally thought t
29 stepwise biodiversity increase with distinct Cambrian and Ordovician radiation events that are clearl
30 race fossil record of euthycarcinoids in the Cambrian and Ordovician reveals amphibious locomotion in
31 st 150 years, not least multiple examples of Cambrian and Precambrian soft-bodied fossils.
32 ion of the oceans towards the end of the Pre-Cambrian and their evolutionary origin represents a key
33 -level clades diverged gradually through the Cambrian, and the distinctiveness of the resulting body
34  within a few million years during the early Cambrian, and various environmental, developmental, and
35 at the coupling of ocean chemistry and Early Cambrian animal diversification was not a simple cause-a
36 planation for both the pattern and timing of Cambrian animal radiation.
37 viding a critical link between Ediacaran and Cambrian animals.
38                                              Cambrian annelids are strikingly diverse and reveal impo
39         Fundamental ground patterns of lower Cambrian arthropod brains and nervous systems correspond
40 ophisticated feeding apparatus from an Early Cambrian arthropod that had a body length of several cen
41 nsa as the most completely understood of any Cambrian arthropod, emphasizing complexity that had evol
42                                         Most Cambrian arthropods employed simple feeding mechanisms r
43 ins and ventral nerve cords in lower and mid-Cambrian arthropods has led to crucial insights about th
44                             Remains of early Cambrian arthropods showed the external lattices of enor
45 including antennae and 'great appendages' of Cambrian arthropods, or with the paired antenniform fron
46 segmented in contrast to their morphology in Cambrian arthropods, revealing that a true biramous limb
47 expands the known ecological capabilities of Cambrian arthropods.
48 osion in bioturbation structures, only a few Cambrian bioerosion structures are known.
49 ttom waters increased in step with the early Cambrian bioradiation of animals and eukaryotic phytopla
50 te being among the most celebrated taxa from Cambrian biotas, anomalocaridids (order Radiodonta) have
51 occo, including specimens larger than any in Cambrian biotas.
52 re the fusion of exite and endopod into the 'Cambrian biramous limb', confirming their basal placemen
53 ambdelurion whittingtoni) and exites of the 'Cambrian biramous limb'.
54  studies suggested crustacean affinities for Cambrian bivalved euarthropods [8-11], this view has fal
55 ve predatory lifestyle within the context of Cambrian bivalved euarthropods, and contributes towards
56                             The lower-middle Cambrian boundary in Laurentia was based on the first ma
57  proxy and N isotope record of the Ediacaran-Cambrian boundary preserved in intra-shelf basin, slope,
58 a composition comparable to fossils from the Cambrian Burgess Shale biota.
59 proximately 50 specimens from several middle Cambrian Burgess Shale localities in British Columbia, m
60 covery of complete specimens from the middle Cambrian Burgess Shale showed that these disparate eleme
61 ca', particularly the 'weird wonders' of the Cambrian Burgess Shale, was to consider them representat
62                                          The Cambrian Burgess Shale-type biotas form a globally consi
63  Biota includes many lineages typical of the Cambrian Burgess Shale-type biotas, but the most abundan
64 le Canyon, British Columbia, and three other Cambrian Burgess Shale-type deposits from Laurentia.
65 nychophoran Hallucigenia sparsa from the mid-Cambrian Burgess Shale.
66 ed Vauxia gracilenta sponges from the Middle Cambrian Burgess Shale.
67  eyes and "anterior sclerite" in the (middle Cambrian) Burgess Shale euarthropods Helmetia expansa an
68  duplication, which occurred in the mid/late Cambrian by autotetraploidization (that is, direct genom
69 losive diversification of these phyla in the Cambrian, c. 540-530 million years ago.
70 ps on the Siberian Platform during the early Cambrian (ca. 540-510 Million years ago (Ma)).
71 sil polychaete (bristle worm) from the early Cambrian Canglangpu formation(7) that we name Dannychaet
72 iran) Leanchoilia illecebrosa from the early Cambrian Chengjiang biota of China.
73 . et. sp. nov., a euarthropod from the early Cambrian Chengjiang biota of China.
74 an enigmatic worm-like animal from the early Cambrian Chengjiang Biota of Yunnan Province, China.
75 ispinus, a new anomalocaridid from the early Cambrian Chengjiang biota, southwest China, nearly compl
76 eiran Leanchoilia illecebrosa from the early Cambrian Chengjiang biota, Southwest China.
77  describe new fossil material from the early Cambrian Chengjiang Biota, Yunnan Province, China, inclu
78  arthropod Cindarella eucalla from the lower Cambrian Chengjiang Lagerstatte, China.
79 re we report two new annelids from the Lower Cambrian Chengjiang Lagerstatte, South China.
80  new species of Orthrozanclus from the early Cambrian Chengjiang Lagerstatte.
81      Exceptional preservation of soft-bodied Cambrian chordates provides our only direct information
82                                              Cambrian clades (predominantly trilobites) alone fit nul
83 vation appear in the Late Neoproterozoic and Cambrian, coincident with the appearance of animal body
84 evolution of 'good vision' and domination in Cambrian communities, which supports the hypothesis that
85  anomalocaridids were the largest animals in Cambrian communities.
86                            In contrast, post-Cambrian crustaceans exhibit a wide diversity of feeding
87 Burgess Shale and a handful of other similar Cambrian deposits provide rare but critical insights int
88 two orders of magnitude during their initial Cambrian-Devonian radiation.
89   Molecular clock estimates suggest an early Cambrian divergence for pancrustaceans [2, 3].
90                     After the middle to late Cambrian diversity plateau, ichnodiversity in softground
91 as do their wider relationships amongst post-Cambrian early un-skeletonized jawless vertebrates.
92 lluminates early arthropod relationships and Cambrian ecology.
93 for providing insights into the evolution of Cambrian ecosystems across environmental gradients.
94 elective pressure toward dim-light vision in Cambrian ecosystems.
95 inated ecosystems of the Proterozoic and the Cambrian emergence of the modern biosphere.
96 e terminal Neoproterozoic and into the Early Cambrian epoch.
97  However, the interrelationships among major Cambrian euarthropod groups remain disputed(1,2,4,7), wh
98 Morocco, making this the first non-trilobite Cambrian euarthropod known from North Africa.
99 ocerebral ganglia in exceptionally preserved Cambrian euarthropods indicates the homology of the ante
100 en regarded as early animal ancestors of the Cambrian evolutionary explosion of marine invertebrate p
101 nclude that Facivermis provides a rare early Cambrian example of secondary loss to accommodate a high
102                        Contrasts between the Cambrian Explosion (CE) and the Great Ordovician Biodive
103 tionary record of metazoan groups during the Cambrian Explosion and determined the nature of its term
104 mass radiations and extinctions (such as the Cambrian explosion and the end-Permian mass extinction)
105 vidence that sponges evolved long before the Cambrian explosion approximately 542 million y ago.
106 ivers for, and evolutionary dynamics of, the Cambrian Explosion are poorly understood.
107 giving rise to metazoan success known as the Cambrian explosion commencing at ~541 Ma.
108 Cambrian fossil record begins (~521 Ma), the Cambrian explosion had already largely concluded.
109  of most animal phyla and classes during the Cambrian explosion has been hypothesized to represent an
110 ns of predation in motile bilaterians in the Cambrian explosion is likely to have increased rates of
111 cations at scales ranging from the Ediacaran-Cambrian explosion of animal life and the invasion of la
112 n considered exemplary for understanding the Cambrian explosion of animal life, due to their unsurpas
113 e in atmospheric O(2) has been linked to the Cambrian explosion of life.
114                   We conclude that while the Cambrian Explosion represents a radiation of crown-group
115 nges in ocean conditions associated with the Cambrian explosion sealed their fate.
116                                          The Cambrian explosion was a unique animal radiation ~540 mi
117 including early animals, which pre-date the "Cambrian Explosion" [1-4].
118                                         The 'Cambrian Explosion' describes the rapid increase in anim
119 earance of fossils that marks the so-called 'Cambrian explosion' has intrigued and exercised biologis
120  the evolution of biomineralization and the 'Cambrian explosion' of ecologic and taxonomic diversity
121                     Integral to this is the 'Cambrian explosion', which records the rapid emergence o
122 ssemblages provide the best evidence of the 'Cambrian explosion'.
123 devoted to understanding the duration of the Cambrian explosion, after which normal Phanerozoic evolu
124 The Avalon morphospace expansion mirrors the Cambrian explosion, and both events may reflect similar
125  suspension feeders first evolved during the Cambrian explosion, as part of an adaptive radiation of
126 anding of animal evolution on the eve of the Cambrian explosion, because some of them likely represen
127 ardment levels has likely occurred since the Cambrian Explosion, making these phenomena an improbable
128 ort interval in Earth's history known as the Cambrian explosion, ~540 million years ago.
129 ropod body fossils is traceable back to the "Cambrian explosion," marked by the appearance of most ma
130 ification of body forms that account for the Cambrian Explosion.
131 iosphere at least a billion years before the Cambrian Explosion.
132 ly in different bilaterian clades during the Cambrian Explosion.
133  3D chromatin organization that predates the Cambrian explosion.
134 ling morphological stasis in the wake of the Cambrian explosion.
135 iii) the uniqueness and time of onset of the Cambrian explosion.
136 amilies were lost in various phyla after the Cambrian explosion.
137 id diversification of bilaterians during the Cambrian explosion.
138 g the radiation of eumetazoan animals in the Cambrian explosion.
139 onments akin to those that later fuelled the Cambrian explosion.
140 cal complexity, marking the inception of the Cambrian Explosion.
141 he oldest evidence for animals closer to the Cambrian Explosion.
142 rge, mobile and predatory animals during the Cambrian explosion.
143 ing the biotic patterns and magnitude of the Cambrian explosion.
144 ue record of the immediate aftermath of the "Cambrian explosion."
145 e between oxygen and evolution for the later Cambrian 'explosion' (540-520 Ma) of new, energy-sapping
146 onstant evolutionary rates across the entire Cambrian, for all aspects of the preserved phenotype: di
147 of 826 legacy wells that penetrate the basal Cambrian formation on the U.S. side of the U.S./Canadian
148 iculty of recognizing synapomorphies between Cambrian forms and extant representatives.
149 ymmetrical, solitary metazoan from the early Cambrian (Fortunian) of China with a characteristic echi
150 tative evidence that by the time the typical Cambrian fossil record begins (~521 Ma), the Cambrian ex
151                                          The Cambrian fossil record is well-populated with representa
152                                          The Cambrian fossil record of euarthropods (extant arachnids
153                  The exceptionally preserved Cambrian fossil record provides unique insight into the
154 lating biotic patterns in the Neoproterozoic-Cambrian fossil record with geochemical and physical env
155               Crustaceans are evident in the Cambrian fossil record, but have hitherto been known exc
156                                              Cambrian fossils assigned to the arthropod stem group in
157                      Exceptionally preserved Cambrian fossils have allowed for the reconstruction of
158                                         Now, Cambrian fossils offer insights that will help further e
159                                              Cambrian fossils underpin a new hypothesis for body plan
160 oriciferans that are represented by numerous Cambrian fossils.
161 plex when considering the large diversity of Cambrian fossils.
162 identification of brain and ganglia in early Cambrian fuxianhuiids and megacheirans from southwest Ch
163 functional characteristics demonstrates that Cambrian genera occupied comparatively few modes of life
164 stems during the late Ediacaran to the early Cambrian has been suggested from multiple indirect proxi
165  between the terminal Ediacaran and earliest Cambrian, heralding the exuberant diversification of bod
166 e we examine over 1,500 specimens of the mid-Cambrian hyolith Haplophrentis from the Burgess Shale an
167  the Cryogenian, but the oldest spicules are Cambrian in age.
168   Our study in the type section of the basal Cambrian in Fortune Head, Newfoundland, Canada reveals w
169 s originated in the sea during or before the Cambrian, including predation and most of its variations
170 onary events documented during the Ediacaran-Cambrian interval coincide with geochemical evidence for
171 Bivalve molluscs are descendants of an early-Cambrian lineage superbly adapted to benthic filter feed
172 lex feature in the terminal claws of the mid-Cambrian lobopodian Hallucigenia sparsa--their construct
173 al appendages of living Onychophora and some Cambrian lobopodians.
174                                              Cambrian marine ecosystems were dominated by arthropods,
175  distributed stratigraphic sections of later Cambrian marine rocks (about 499 million years old).
176 ported as conodonts, occur worldwide in many Cambrian marine sediments [6, 7].
177 est unequivocal examples occur in the middle Cambrian Marjum Formation of Utah but an arthropod retai
178 ssess the ocean redox state during the Early Cambrian metazoan radiation.
179 s had been linked to a variety of cataphract Cambrian metazoans, notably Wiwaxia and the halkieriids,
180 ce for total-group pancrustaceans comes from Cambrian microfossils preserved as three-dimensional pho
181 evel, of a compound eye from the base of the Cambrian, more than half a billion years old.
182 aline formation porewater collected from the Cambrian Mt.
183 ord of polychaete worms extends to the early Cambrian, much data on this group derive from microfossi
184 oup predict that myriapods originated in the Cambrian, much earlier than their oldest known fossils,
185                      Here we report the post-Cambrian occurrence of anomalocaridids, from the Early O
186                                          The Cambrian occurrence of the earliest euthycarcinoids supp
187 on of modern benthic ecosystems in the early Cambrian ocean.
188 me example of oxygen deficiency in the later Cambrian ocean.
189    Physical evidence of widespread anoxia in Cambrian oceans has remained elusive and thus its potent
190 despread in subsurface water masses of later Cambrian oceans, possibly influencing evolutionary event
191 sulted from the unusually high alkalinity of Cambrian oceans.
192 ot dominant influence on animal evolution in Cambrian oceans.
193 mens have been reported, both from the early Cambrian of China [8, 9].
194 ve organs in early arthropods from the early Cambrian of China and Greenland with functional similari
195 urological fossil data from the early to mid-Cambrian of China and North America [6, 9].
196 icaris, previously known only from the early Cambrian of China, suggests that the palaeogeographic ra
197 d Ercaicunia multinodosa [25] from the early Cambrian of China.
198 echinoderm faunas from the early part of the Cambrian of Morocco (West Gondwana).
199  a phosphatized trilobite eye from the lower Cambrian of the Baltic, we found lithified remnants of c
200 on and memory have persisted since the early Cambrian or late Ediacaran.
201 n the arachnid stem lineage and suggests the Cambrian-Ordovician ancestor of arachnids would also hav
202 more, molecular clock dating has suggested a Cambrian-Ordovician terrestrialization event for arachni
203 zanclus is a shell-bearing, sclerite covered Cambrian organism of uncertain taxonomic affinity, seemi
204               We show that trilobites have a Cambrian origin, as supported by the trace fossil record
205 ence of highly developed vision in the early Cambrian, over 2,000 ommatidia in each eye.
206 hat constrain the position of Cryogenian and Cambrian paleosurfaces below the Great Unconformity.
207 conclusion is supported by descriptions from Cambrian panarthropods of neural structures that contrib
208                                              Cambrian pelagic ecosystems seem to have been more moder
209 sification of complex animal life during the Cambrian Period (541-485.4 Ma) is thought to have been c
210 mal phyla, radiated rapidly during the early Cambrian period (approximately 535-520 million years ago
211                     Originating early in the Cambrian period [4], if not earlier [5], chaetognaths qu
212 ed 'shelly' fossils that appear early in the Cambrian period and can be found throughout the 280 mill
213     Exceptionally preserved fossils from the Cambrian period have contributed important palaeontologi
214                     Annelid fossils from the Cambrian period have morphologies that indicate epibenth
215 Cambrian period of China) and Metaspriggina (Cambrian period of Canada) highlights the difficulties:
216    Application of these data to Cathaymyrus (Cambrian period of China) and Metaspriggina (Cambrian pe
217 an Orsten-like Lagerstatte from the earliest Cambrian period of South China, which stratigraphically
218 ft-bodied material from the Lower (Series 2) Cambrian period of South China.
219                                   During the Cambrian Period, BST deposits are more common and provid
220       The renowned soft-bodied faunas of the Cambrian period, which include the Burgess Shale, disapp
221 alidophoran phyla diverged no later than the Cambrian Period.
222 uisition of mineralized skeletons during the Cambrian period.
223 age, with a fossil record dating back to the Cambrian period.
224  in oxygen content through the Ediacaran and Cambrian periods, sharply constraining the magnitude of
225                            is unique amongst Cambrian polychaetes in possessing the rod-like supports
226 ation of phoronid, brachiopod and tommotiid (Cambrian problematica) characters, notably a pair of agg
227 ring the increasing oxygenation prior to the Cambrian radiation of animals and likely represent an im
228 ns of complex life and paved the way for the Cambrian radiation of animals.
229 ucidates that global biodiversity during the Cambrian radiation was driven by niche contraction at lo
230 for the importance of plate tectonics in the Cambrian radiation, namely the breakup of Pannotia.
231 We explored biodiversity patterns during the Cambrian radiation, the most dramatic radiation in Earth
232  group of animals and have been so since the Cambrian radiation.
233 nce approximately 100 Myr before their rapid Cambrian radiation.
234 ws, which first appeared near the end of the Cambrian radiation.
235 m sea level shows a gradual rise through the Cambrian, reaching a zenith in the Late Ordovician, then
236                                   This Early Cambrian record predates the major expansions of large-b
237 ion, N. pugio expands the known disparity of Cambrian scleritome-bearing animals, and provides a new
238 an tulip animal Siphusauctum and the armored Cambrian scleroctenophores, they exhibit anatomies that
239 ely high abundance in pre-Ediacaran to Early Cambrian sedimentary rocks and oils.
240  trace element compositions for an Ediacaran-Cambrian sequence in the Lower Yangtze basin, South Chin
241 arity, and provincialism at the beginning of Cambrian Series 2 (~521 Ma), suggesting a protracted but
242     Nidelric pugio gen. et sp. nov. from the Cambrian Series 2 Heilinpu Formation, Chengjiang Lagerst
243 iated with major faunal turnovers across the Cambrian Series 2-Series 3 boundary in both Laurentia an
244 tional correlation across this boundary (the Cambrian Series 2-Series 3 boundary) has been a challeng
245      Recently, the base of the international Cambrian Series 3 and of Stage 5 has been named as the b
246                                    The early Cambrian (series 1 and 2) displayed a dramatic increase
247 ris borealis, an anomalocarid from the Early Cambrian (Series 2) Sirius Passet Fauna of North Greenla
248  crystalline basement rock from much younger Cambrian shallow marine sedimentary deposits, is known a
249 ages of early biominerals from Ediacaran and Cambrian shelly fossils show that these early calcifiers
250                                              Cambrian silica hexactine spicules that are approximatel
251                                A spectacular Cambrian soft bodied fauna some 40 km from Walcott's ori
252                     Here, we report an early Cambrian sponge that, like several other early Paleozoic
253 st articulated specimens of Wiwaxia from the Cambrian Stage 3 Chengjiang Konservat-Lagerstatte show t
254 a foliosa sp. nov. from the Xiaoshiba fauna (Cambrian Stage 3, Hongjingshao Formation, Kunming, south
255                                       During Cambrian Stage 4 (~514 Ma) the oceans were widely popula
256 iddle and upper part of the Kaili Formation (Cambrian Stage 5) in the Jianhe area of Guizhou province
257 ans that is exclusively known from the early Cambrian (Stage 3) Chengjiang biota of South China.
258 uganotheca elegans gen. et sp. nov. from the Cambrian (Stage 3) Chengjiang Lagerstatte (Yunnan, China
259 pecaris serrata sp. nov., recovered from the Cambrian (Stage 3) Hongjingshao Formation in Kunming, so
260 is preserved in the act of moulting from the Cambrian (Stage 3) Xiaoshiba Lagerstatte, South China.
261 preserved exoskeletons found from the middle Cambrian (Stage 5) Gaotai Formation in Guizhou, southern
262 arella mauretanica sp. nov., from the middle Cambrian (Stage 5) Tatelt Formation of Morocco, making t
263 ally conserved across two continents through Cambrian Stages 3-5 - revealing morphological stasis in
264 of scale-covered lophotrochozoans known from Cambrian Stages 3-5.
265 but are strikingly absent from the overlying Cambrian succession, despite optimal conditions for thei
266 ration of external drivers through the early Cambrian, such as episodic changes in oxygenation or pro
267 ccurred from the late Ediacaran to the early Cambrian, suggesting a substantial increase in atmospher
268 proposal of a four-series subdivision of the Cambrian System in 2005.
269 c record often evident below the base of the Cambrian system, has remained among the most enigmatic f
270 t, inferring sensory and motor attributes of Cambrian taxa has been limited to interpreting external
271 roup of all other annelids but contrast with Cambrian taxa in both lifestyle and gross morphology(2,6
272 ot clear whether evolution was unusual among Cambrian taxa or only early trilobites.
273                          At least among post-Cambrian taxa, these results implicate models, such as c
274  the geographic ranges and longevity of many Cambrian taxa.
275 e stratigraphic record of a number of iconic Cambrian taxa.
276 est that P(CO2) was much higher in the early Cambrian than in younger eras, agreeing with previous mo
277 at accords with compound eyes from the early Cambrian that were, in size and resolution, equal to tho
278 ic evolution for arthropods during the early Cambrian, thereby shortening the phylogenetic fuse.
279 ur isotope mass balance model for the latest Cambrian time interval spanning the globally recognized
280  oxygenation and metazoan evolution in Early Cambrian time.
281 of fish was cosmopolitan during Lower-Middle Cambrian times (Series 2-3).
282 on of Hexapoda probably occurred in the late Cambrian to early Ordovician, an estimate that is indepe
283 on versus taxonomic diversification from the Cambrian to the present day.
284 l trend in disparity profile shapes from the Cambrian to the Recent, and early high disparity is the
285 00 stratigraphic sections, to generate a new Cambrian to Triassic biodiversity curve with an imputed
286 mbership in the stem group of Myriapoda, the Cambrian to Triassic euthycarcinoids have repeatedly bee
287  of nektonic suspension feeders in the Early Cambrian, together with evidence for a diverse pelagic c
288                              The Proterozoic-Cambrian transition records the appearance of essentiall
289 nto the rise of animals across the Ediacaran-Cambrian transition.
290  taphonomic surroundings associated with the Cambrian trilobites.
291 dating methods to a comprehensive dataset of Cambrian trilobites.
292 arly history of artiopods - one in the early Cambrian (trilobitomorphs) and the other in the late Cam
293                            Together with the Cambrian tulip animal Siphusauctum and the armored Cambr
294  (trilobitomorphs) and the other in the late Cambrian (vicissicaudatans).
295                         The beginning of the Cambrian was a time of marked biological and sedimentary
296            Changes in gamma diversity in the Cambrian were chiefly driven by changes in beta diversit
297       The earliest branchiopods occur in the Cambrian, where they are represented by complete body fo
298 a has increased by a factor of 150 since the Cambrian, whereas minimum biovolume has decreased by les
299 ng of the continental crust during the early Cambrian, which may be a trigger for the rise of atmosph
300  challenge the notion that the Ediacaran and Cambrian worlds were markedly distinct, and places bioti

 
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