†order Psammodontiformes Obruchev 1953 (chimaera)

Chondrichthyes - Psammodontiformes

Parent taxon: Holocephalomorpha according to J. A. Long 2011

See also Nelson 2006 and Sepkoski 2002

Sister taxa: Chimaeriformes, Chondrenchelyiformes, Cochliodontiformes, Copodontiformes, Menaspiformes, Squalorajiformes

Subtaxa: Psammodontidae

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Ecology: nektobenthic carnivore

Distribution:

• Permian of Pakistan (1 collection)

• Pennsylvanian of the United Kingdom (1)

• Carboniferous of Egypt (1), the Russian Federation (1), Thailand (1), the United Kingdom (1), United States (2: Alabama, Montana)

• Mississippian of the United Kingdom (4), United States (1: Alabama)

Total: 13 collections including 15 occurrences

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