Pachycrommium clarki Stewart 1927 (snail)

Gastropoda - Architaenioglossa - Ampullinidae

Alternative combinations: Amaurellina (Euspirocrommium) clarki, Amaurellina clarki

Full reference: R. B. Stewart. 1927. Gabb's California fossil type gastropods. Proceedings of the Academy of Natural Sciences, Philadelphia 78:287-447

Belongs to Pachycrommium according to M. D. Perrilliat et al. 2006

See also Marincovich 1977, Squires 1984, Squires 1987, Squires 1988, Squires 1999, Squires and Demetrion 1992, Stewart 1927 and Turner 1938

Sister taxa: Amaurellina (Pachycrommium) fahmii, Amaurellina (Pachycrommium) moradi, Pachycrommium carmenensis, Pachycrommium dalli, Pachycrommium eburnoides, Pachycrommium flemingi, Pachycrommium guppyi, Pachycrommium harrisi, Pachycrommium indicum, Pachycrommium martini, Pachycrommium nagaoi, Pachycrommium oweni, Pachycrommium saginata, Pseudocrommium gabrielensis

Type specimen: UCMP 31385, a shell

Ecology: epifaunal grazer

Distribution:

• Eocene of Mexico (2 collections), United States (77: California, Oregon, Washington)

Total: 79 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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