This list of belemnite genera is an attempt to create a comprehensive listing of all

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

that have ever been included in the extinct subclass

Belemnoidea Belemnoids are an extinct group of marine cephalopod, very similar in many ways to the modern squid and closely related to the modern cuttlefish. Like them, the belemnoids possessed an ink sac, but, unlike the squid, they possessed ten arms o ...

, excluding purely vernacular terms. The list includes all commonly accepted genera, as well as genera that are now considered invalid, doubtful (''

nomina dubia In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application. Zoology In case of a ''nomen dubium'' it may be impossible to determine whether a s ...

''), or were not formally published (''

nomina nuda In taxonomy, a ''nomen nudum'' ('naked name'; plural ''nomina nuda'') is a designation which looks exactly like a scientific name of an organism, and may have originally been intended to be one, but it has not been published with an adequate descr ...

''), as well as

junior synonyms The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linn ...

of more established names, and genera that are no longer considered belemites. Naming conventions and terminology follow the

International Code of Zoological Nomenclature The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its publisher, the ...

as indicated. The list currently contains 100 generic names.

List of belemnites

References

:''Uncited genera names can be verified at:'' *Sepkoski, J.J. Jr. 2002. A compendium of fossil marine animal genera. ''Bulletins of American Paleontology'' 363: 1–560
Sepkoski's Online Genus Database, Cephalopoda entry
{{DEFAULTSORT:Belemnites, List * Prehistoric cephalopod genera Lists of prehistoric molluscs Lists of animal genera (alphabetic) Cenozoic cephalopods Mesozoic cephalopods

List of belemnites

See also

References