Tretaspis M'Coy 1849 (trilobite)

Trilobita - Trinucleida - Trinucleidae

Full reference: F. M'Coy. 1849. On the classification of some British fossil Crustacea with notices of new forms in the university collection at Cambridge. The Annals and Magazine of Natural History, Second Series 4:161-179

Parent taxon: Trinucleinae according to A. W. Owen 1980

See also Jell and Adrain 2002 and Sepkoski 2002

Sister taxa: Iputaspis, Kimakaspis

Subtaxa: Tretaspis anderssoni Tretaspis askerensis Tretaspis ceriodes Tretaspis hadelandica Tretaspis hisingeri Tretaspis kiaeri Tretaspis latilimba Tretaspis moeldenensis Tretaspis reticulata Tretaspis sagenosus Tretaspis seticornis Tretaspis sortita

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Type: Asaphus seticornis

Ecology: fast-moving low-level epifaunal suspension feeder

Distribution:

• Ordovician to Silurian of Canada (2: Québec collections)

• Ordovician of Belgium (4), Canada (10: Quebec), the Czech Republic (3), Ireland (16), Lithuania (1), Norway (64), Sweden (14), the United Kingdom (60), United States (8: Maine, Virginia)

Total: 182 collections including 199 occurrences

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Specimen images are retrieved through the ePANDDA API.


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