Stethacanthus altonensis St. John and Worthen 1875 (elasmobranch)

Chondrichthyes - Symmoriiformes - Symmoriidae

Alternative combination: Physonemus altonensis

Belongs to Stethacanthus according to A. O. Ivanov and O. A. Lebedev 2014

See also Eastman 1903, Hay 1902, Lund 1985 and Williams 1985

Sister taxa: Cladodus hibberti, Stethacanthus compressus, Stethacanthus concavus, Stethacanthus depressus, Stethacanthus erectus, Stethacanthus exilis, Stethacanthus gansuensis, Stethacanthus humilis, Stethacanthus longipeniculus, Stethacanthus praecursor, Stethacanthus productus, Stethacanthus tumidus

Ecology: nektonic carnivore


• Permian of the Russian Federation (3 collections)

• Osagean of United States (1: Ohio)

• Carboniferous of China (1), United States (7: Illinois, Indiana, Montana, Nebraska, Ohio)

• Devonian of United States (4: Ohio)

Total: 16 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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