Ptychaspis Hall 1863 (trilobite)

Trilobita - Asaphida - Ptychaspididae

Synonym: Asioptychaspis Kobayashi 1933

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

See also Sepkoski 2002

Sister taxa: Alborsella, Changia, Eoptychaspis, Eowuhuia, Euptychaspis, Idiomesus, Imlerella, Kathleenella, Keithia, Keithiella, Macronoda, Plectrella, Proricephalus, Saukioides, Sunwaptia, Wilcoxaspis

Subtaxa: Asioptychaspis subglobosa Ptychaspis granulosa Ptychaspis miniscaensis Ptychaspis minuta Ptychaspis pustulosa Ptychaspis tuberosa

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Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Cambrian of Canada (7: Alberta collections), China (2), South Korea (2), United States (40: Idaho, Minnesota, Montana, New York, South Dakota, Wisconsin)

Total: 51 collections including 69 occurrences

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Specimen images are retrieved through the ePANDDA API.


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