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†Ehmaniella Resser 1937 (trilobite)

Artiopoda - Ptychopariida - Alokistocaridae

Synonyms: Anomalocephalus Deiss 1939, Clappaspis Deiss 1939

Parent taxon: Alokistocaridae according to P. A. Jell and J. M. Adrain 2002

See also Caron and Jackson 2008, Palmer 1954, Sepkoski 2002 and Sundberg 1994

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

Subtaxa: Clappaspis coriacea Clappaspis dotis Clappaspis idahoensis Clappaspis lanata Clappaspis spencei Ehmaniella angustigena Ehmaniella burgessensis Ehmaniella casta Ehmaniella fronsplanata Ehmaniella quadrans Ehmaniella similis Ehmaniella waptaensis Ehmaniella whitei

view classification

Type: Crepicephalus (Loganellus) quadrans

Ecology: fast-moving epifaunal detritivore

Distribution:

• Cambrian of Argentina (1 collection), Canada (34: British Columbia, Newfoundland), China (3), Kazakhstan (1), Mexico (1), United States (10: California, Idaho, Nevada, Utah)

• Solvan of Greenland (1)

Total: 51 collections including 62 occurrences

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Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.