Trilobita - Ptychopariida - Alokistocaridae

Full reference: F. A. Sundberg. 1994. Corynexochida and Ptychopariida (Trilobita, Arthropoda) of the Ehmaniella biozone (Middle Cambrian), Utah and Nevada. Contributions in Science 446:1-137

Parent taxon: Ehmaniellinae according to F. A. Sundberg 1994

See also Jell and Adrain 2002 and Sepkoski 2002

Sister taxa: Elrathiella, Proehmaniella, Trachycheilus

Subtaxa: Pseudomexicella hestia

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Ecology: fast-moving low-level epifaunal carnivore

Distribution: there are no occurrences of Pseudomexicella in the database

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Specimen images are retrieved through the ePANDDA API.