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...adulthood.<ref name='Kouchinsky2007'>{{cite journal | last = Kouchinsky | first = A. V. | year = 1999 | title = Shell microstructures of the Early Cambria ...rostrum. The rostroconch probably burrowed itself into sediment, anterior first, leaving the rostrum above the sediment to be used as a water filtration sy ...

*?''[[Pseudonaraoia]]''<ref name="BUDIL">{{cite journal|last=Budil |first=Peter |author2=Oldřich Fatka |author3=Jana Brutansová|title=Trilobite fauna [[Category:Terreneuvian first appearances]] ...

...[[Lemdadella]]'' (suborder Redlichiina), both belonging to this order. The first representatives of the orders [[Corynexochida]] and [[Ptychopariida]] also ...amorphosis at any stage.<ref name='Treatise'>{{cite book|last= Whittington|first= H.B.|year= 1997|title= Introduction, Order Agnostida, Order Redlichiida|pu ...

...ation has been presented by McMenamin.<ref>{{Cite journal |last=McMenamin |first=Mark A. S. |date=1986 |title=The Garden of Ediacara |url=https://doi.org/10 [[Category:Terreneuvian first appearances]] ...

...cle010109.html }}</ref><ref name=Richards2017>{{cite book| last=Richards | first=Bernard | year=2017 | chapter=Chapter 35 – Radiolaria: Validating the Turin ...r=A. Braun |author2=J. Chen |author3=D. Waloszek |author4=A. Maas |chapter=First Early Cambrian Radiolaria|pages=143–149|doi=10.1144/SP286.10}}</ref> About ...

...he early [[Silurian]] by developing folding [[joint|articulation]]s in the first pairs of [[gill arch]]es. ...superclass]] Cyclostomi.<ref name="janvier1">{{cite journal |last=Janvier |first=P. | title = MicroRNAs revive old views about jawless vertebrate divergence ...

...|J-B. Lamarck]], 1801<ref name="Nielsen2012">{{cite journal |last=Nielsen |first=C. |date=July 2012 |title=The authorship of higher chordate taxa |journal=[ ...first [[tetrapods]] appeared towards the end of the [[Devonian]], and the first amphibians appeared on land in the [[Carboniferous]]. During the [[Triassic ...

...blisher=Te Papa Press |isbn=978-0-9941041-6-8 |editor-last=Roberts |editor-first=Clive Douglas |volume=Two |page=6 |editor-last2=Stewart |editor-first2=Andr ...icate]]s and [[cephalochordate]]s.<ref name=":0">{{Cite journal|last=Gupta|first=Radhey S.|date=January 2016|title=Molecular signatures that are distinctive ...

...ion years]].<ref name="Dalrymple 2001 AoE">{{cite journal |last=Dalrymple |first=G. Brent |date=2001 |title=The age of the Earth in the twentieth century: a ...te=stratigraphy.org}}</ref><ref name="Boggs-2011">{{Cite book |last=Boggs |first=Sam |title=Principles of sedimentology and stratigraphy |date=2011 |publish ...