Bolbocephalus

Bolbocephalus Temporal range: Early Arenig[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Trilobita
Order:	†Proetida
Family:	†Bathyuridae
Subfamily:	†Bathyurinae
Genus:	†Bolbocephalus Whitfield, 1890
Type species
Bathyurus seelyi Whitfield, 1886
Other species
B. angustisulcatus Poulsen, 1927 B. convexus (Billings, 1865) B. ellesmerensis Adrain & Westrop, 2005 B. groenlandicus Poulsen, 1937 B. gunnari Fortey & Bruton, 2013 B. jeffersonensis Cullison, 1944 B. kindlei Boyce, 1989 B. stclairi Cullison, 1944 B. stevensi Boyce, 1989

Bolbocephalus is a genus of proetid trilobites in the family Bathyuridae. Species lived during the early part of the Arenig stage of the Ordovician Period,[1] a faunal stage which lasted from approximately 478 to 471 million years ago, in marine strata of the United States, Canada, and Greenland.[2]

References

1. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2006-09-05. Retrieved 2008-01-12.
2. McCobb, L.M.E.; Boyce, W.D.; Knight, I.; Stouge, S. (2014). "Lower Ordovician trilobites from the Septembersø formation, North-East Greenland". Alcheringa. 38 (4): 575–598. Bibcode:2014Alch...38..575M. doi:10.1080/03115518.2014.951913. S2CID 129962497.