Goniatites crenistria is a species of extinct cephalopods belonging to the family Goniatitidae, included in the superfamily Goniatitaceae.Encyclopedia of lifeGONIAT
These fast-moving nektonic carnivores lived in the Carboniferous from 345.3 to 326.4 Ma.The Paleobiology Database
References
Miller, Furnish, and Schindewolf, 1957. Paleozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L. Geological Society of America. Museum of Victoria