Amecephalus Walcott 1924 (trilobite)

Trilobita - Ptychopariida - Alokistocaridae

Synonym: Strotocephalus Resser 1935

Parent taxon: Alokistocaridae according to F. A. Sundberg 2018

See also Jell and Adrain 2002, Mason 1935, Palmer 1954, Palmer and Halley 1979, Sepkoski 2002, Sundberg 1999, Sundberg and McCollum 2000 and Sundberg and McCollum 2000

Sister taxa: Alokistocare, Alokistocarella, Amecephalina, Amecephaloides, Annamitia, Arellanella, Beldirella, Bythicheilus, Chancia, Chanciaopsis, Danzhaiaspis, Ehmania, Ehmaniella, Elrathia, Erdoradites, Ganovexopyge, Inglefieldia, Jenkinsonia, Kistocare, Lenacare, Parapachyaspis, Parehmania, Pedinocephalina, Proveedoria, Schopfaspis, Shabanovia, Tympanuella, Utaspis, Ehmaniellinae, Altiocculinae

Subtaxa: Amecephalus agnesensis Amecephalus arrojosensis Amecephalus cleora Amecephalus idahoense Amecephalus laticaudum Amecephalus piochensis Amecephalus strangulatus Strotocephalus gordonensis

View classification

Type: Ptychoparia piochensis

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Solvan of Canada (7: British Columbia collections), United States (7: Nevada)

• Delamaran of Canada (6: British Columbia), Mexico (1), United States (27: California, Idaho, Nevada, Utah)

• Cambrian of Argentina (1), Canada (7: British Columbia, Northwest Territories, Yukon Territory), the Russian Federation (1), United States (10: Nevada)

Total: 67 collections including 69 occurrences

Show more details


Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.