Palaeolenus

Palaeolenus Temporal range: Late Botomian PreЄ Є O S D C P T J K Pg N ↓ [1]
a pair of Palaeolenus douvillei, 7mm
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Ptychopariida
Family:	Palaeolenidae
Genus:	Palaeolenus[2] Mansuy, 1912
Species
P. douvillei Mansuy, 1912 synonyms P. brevicus, P. deprati, Megapalaeolenus deprati, M. majiashanensis , M. guizhouensis, M. magnus, M. granulatus, M. expanus, M. luquanensis P. lantenoisi Mansuy, 1912 synonyms P. tingi, P. minor, P. planilimbatus, P. liantuoensis, P. yangziensis, Megapalaeolenus obsoletus, M. yichangensis
Synonyms
Megapalaeolenus, Schistocephalus

Palaeolenus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of 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. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology 364: 560. Retrieved 2008-01-12.
2. Lin, Tianrui; Peng, Shanchi (2004). "New material of Palaeolenus (trilobite, Cambrian) from the eastern Yangtze Gorge Area, western Hubei". Acta Palaeontologica Sinica 43 (1): 32–42.