Full reference: J. G. Maisey. 1982. Studies on the Paleozoic Selachian Genus Ctenacanthus Agassiz: No. 2. Bythiacanthus St. John and Worthen, Amelacanthus, New Genus, Eunemacanthus St. John and Worthen, Sphenacanthus Agassiz, and Wodnika Munster. American Museum Novitates 2722:1-24
See also Sepkoski 2002
Type: Onchus sulcatus
Ecology: nektonic carnivore
• Triassic of Oman (1 collection)
• Carboniferous of United States (1: Arizona)
• Mississippian of the United Kingdom (1)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.