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...sely related to their direct ancestor.<ref>{{Cite journal |last=Buffetaut |first=Eric |date=1981-01-01 |title=Un atoposauridé (Crocodylia, mesosuchia) du po ...crocodiles were placed within their own suborder, [[Protosuchia]]; whilst extant species where placed within Suborder [[Eusuchia]] (meaning 'true crocodiles ...

...conifer]]ous [[family (biology)|family]] which includes six [[Extant taxon|extant]] and two extinct genera, and about 30 species of plants, or in older inter ...ch Rudall pp. 133–143" /><ref name=":SAGenera">{{Cite book |last=Phillips |first=Edwin Percy |title=The genera of South African flowering plants |chapter=Cy ...

...[[Jurassic]] and [[Cretaceous]] periods.<ref>{{Cite journal |last=Stockey |first=Ruth A. |last2=Rothwell |first2=Gar W. |date=July 2020 |title=Diversificati Araucariaceae contains three extant genera and about 41 species.<ref name="wu"/> ...

...1 |editor2-last=Musick |editor2-first=John |editor3-last=Heithaus |editor3-first=Michael}}</ref> The [[Branchial arch|gill arches]] are condensed into a pou ...rds, similar to many sharks. There are two dorsal fins: a large triangular first dorsal fin and a low rectangular or depressed second dorsal fin. For defens ...

| fossil_range = {{Fossil range|Hettangian|Present}} ...er 25, 2011}}</ref><ref name="checklist"/><ref>{{Cite journal|last=Hazlett|first=B.A.|date=1981|title=The Behavioral Ecology of Hermit Crabs|url=https://www ...

...ngs or grooves and may contain scales.<ref>{{Cite journal |last=Wilkinson |first=Mark |date=2012 |title=Caecilians. |url=https://www.cell.com/current-biolog ...3|chapter=Order Gymnophiona|page=201}}</ref><ref>{{cite book|last=Himstedt|first=Werner|title=Die Blindwühlen|isbn=978-3-89432-434-6|publisher=Westarp Wisse ...

...an|Triassic|[[Middle Cambrian]] to [[Early Jurassic|Earliest Jurassic]] ([[Hettangian]])}} The teeth-like fossils of the conodont were first discovered by [[Heinz Christian Pander]] and the results published in [[Sai ...

...e scales under their toes to form adhesive pads]], highly prominent in the first two groups. The pads are composed of millions of tiny setae (hair-like stru ...flee at the slightest sound.<ref name=Wilson2012>{{cite book |last=Wilson |first=Steve |title=Australian Lizards: A Natural History |url=https://books.googl ...

| lower_boundary_def = First appearance of the [[ammonite]] ''[[Psiloceras|Psiloceras spelae tirolicum]] *[[First appearance datum|FAD]] of [[ammonite]] ''[[Berriasella|Berriasella jacobi]] ...

Plesiosaurs first appeared in the latest [[Triassic]] [[Period (geology)|Period]], possibly i ...more than a hundred valid species have been described. In the early twenty-first century, the number of discoveries has increased, leading to an improved un ...

...rk=Science Daily|access-date=15 May 2013}}</ref><ref>{{cite web|last=Naish|first=Darren|title=Malawania from Iraq and the Cretaceous Ichthyosaur Revolution ...f the existence of ichthyosaurians during the early 19th century, when the first complete skeletons were found in England. In 1834, the order Ichthyosauria ...

...s://amphibiansoftheworld.amnh.org/Amphibia/Anura |title=Anura |last=Frost |first=Darrel R. |date=2021 |orig-date=1998 |website=Amphibian Species of the Worl ...l rainforest]] and associated [[wetland]]s. They account for around 88% of extant amphibian species, and are one of the five most diverse [[vertebrate]] orde ...