†order Symmoriiformes Zangerl 1981 (elasmobranch)

Chondrichthyes - Symmoriiformes

Alternative spelling: Symmoriida

Full reference: R. Zangerl. 1981. Chondrichthyes I: Paleozoic Elasmobranchii. Handbook of Paleoichthyology 3a

Parent taxon: Cladodontomorphi according to A. O. Ivanov et al. 2013

See also Coates and Sequeira 2001, Ginter et al. 2010, Goto et al. 1988, Lund 1986, Maisey 2008, Sepkoski 2002, Williams 1985, Williams 1998 and Zangerl 1981

Sister taxa: Jalodontidae, Squatinactiformes

Subtaxa: Denaeidae Falcatidae Kawichthys Kungurodus Symmoriidae

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Ecology: nektonic carnivore

Distribution:

• Miocene to Pliocene of Bolivia (1 collection)

• Miocene of Panama (2)

• Permian of Japan (1), Kazakhstan (1), the Russian Federation (15), United States (9: Texas)

• Virgilian of Argentina (1)

• Pennsylvanian of United States (1: Iowa)

• Osagean of United States (2: Michigan, Ohio)

• Carboniferous of Belgium (1), China (1), the Russian Federation (4), the United Kingdom (2), United States (33: Arizona, Arkansas, Colorado, Illinois, Indiana, Iowa, Kansas, Missouri, Montana, Nebraska, New Mexico, Ohio, South Dakota)

• Mississippian of the United Kingdom (2)

• Devonian of the Russian Federation (5), United States (4: Ohio)

Total: 85 collections including 118 occurrences

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