Biology:Ptychoparopsis
From HandWiki
| Ptychoparopsis Temporal range: Botomian[1]
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Fossil
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| Genus: | Ptychoparopsis
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Ptychoparopsis is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Botomian stage,[1] which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the Cambrian Period.
References
- ↑ 1.0 1.1 Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology 364: 560. http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class. Retrieved 2008-01-12.
Wikidata ☰ Q7257154 entry
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