Trigonocercella

Trigonocercella; Temporal range: Early Arenig
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Trilobita
Order:	†Asaphida
Family:	†Asaphidae
Genus:	†Trigonocercella; Hintze, 1952
Species
	T. acuta;

Trigonocercella is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It 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.^[1]

References[]

^ ^a ^b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Retrieved 2008-01-12.

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[strata.ummp-1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 364: 560. Retrieved 2008-01-12.

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