''Gonioteuthis'' (meaning ''narrow squid'' or ''slim squid'') is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

belemnite Belemnitida (or belemnites) is an extinct order (biology), order of squid-like cephalopods that existed from the Late Triassic to Late Cretaceous (And possibly the Eocene). Unlike squid, belemnites had an internal skeleton that made up the cone ...

, an extinct group of

cephalopod A cephalopod is any member of the molluscan Taxonomic rank, class Cephalopoda (Greek language, Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral symm ...

s. It grew to a body length (excluding tentacles) of 8 inches (20 centimeters) and fed on small marine animals. Fossils of ''Gonioteuthis'' have been found in the Netherlands, Germany, and Sweden in rocks dated to the late

Cretaceous Period The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 77.1 million years, it is the ninth and longest geologi ...

, specifically 85 to 70 million years ago.Fossilworks
"Gonioteuthis (belemnite)"
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References

* Parker, Steve. Dinosaurus: the complete guide to dinosaurs. Firefly Books Inc, 2003. Pg. 49 * Fossilworks. "Gonioteuthis (belemnite)". https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=15866. Belemnites {{Paleo-cephalopod-stub

See also

References