''Goniatites crenistria'' is a species of extinct cephalopods belonging to the family

Goniatitidae Goniatitidae is one of three families included in the ammonoid cephalopod superfamily Goniatitoidea, known from the Lower Mississippian to the Upper Permian The Permian ( ) is a geologic period and stratigraphic system which spans 47 millio ...

, included in the superfamily

Goniatitaceae Goniatitoidea, formerly Goniatitaceae in older publications, is a superfamily of late Paleozoic ammonoid cephalopods included in the Goniatitida Goniatids, informally goniatites, are Ammonoidea, ammonoid cephalopods that form the order Goniati ...

. These fast-moving nektonic carnivores lived in the

Carboniferous The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...

from 345.3 to 326.4 Ma.The Paleobiology Database
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References

* Miller, Furnish, and Schindewolf, 1957. Paleozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L. Geological Society of America.
Museum of Victoria
Goniatitidae Carboniferous ammonites of Europe Carboniferous ammonites of North America Fossil taxa described in 1836 {{Goniatitida-stub