Carinocranium

Carinocranium; Temporal range: Early Tremadocian PreꞒ Ꞓ O S D C P T J K Pg N
	C. cariniferum
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Asaphida
Suborder:	Trinucleina
Family:	Raphiophoridae
Subfamily:	Endymioniinae
Genus:	Carinocranium
Binomial name
	Carinocranium cariniferum; Dean, 1989[1]

Carinocranium cariniferum is a species of asaphid trilobites of the family Raphiophoridae that lived during the Early Tremadocian of Alberta, Canada. It is known only from a cranidium with a large, keel-shaped glabellum.

Etymology

The generic and specific epithets both refer to the massive, keel-shaped glabellum, thus the use of the Latin prefix "carina", so that the generic epithet translates as "keel-cranium," and the specific epithet translating as "keel bearing."[1]

Occurrence

The only known specimen, specimen GSC 62139, is found in the Early Tremadocian-aged GSC Locality 92293, 168.5 meters above the Outram Formation, Alberta, Canada.

References

Dean, William Thornton. Trilobites from the Survey Peak, Outram and Skoki Formations (Upper Cambrian-Lower Ordovician) at Wilcox Pass, Jasper National Park, Alberta. No. 389. Energy, Mines and Resources Canada, 1989.

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[dean1989-1] Dean, William Thornton. Trilobites from the Survey Peak, Outram and Skoki Formations (Upper Cambrian-Lower Ordovician) at Wilcox Pass, Jasper National Park, Alberta. No. 389. Energy, Mines and Resources Canada, 1989.