Palaeolenus

Palaeolenus is an extinct genus of ptychopariid trilobites of the family Palaeolenidae. Species lived during the later part of the Botomian stage of the Cambrian Period,[1] which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the Cambrian Period

Palaeolenus Temporal range: Late Botomian PreꞒ Ꞓ 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
Superfamily:	Ellipsocephaloidea
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

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. Archived from the original on 2016-03-04. Retrieved 2013-03-08.