Diplobelus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Superorder:	†Belemnoidea
Genus:	†Diplobelus

Diplobelus is a genus of belemnite, an extinct group of cephalopods.^[1]

See also

References

^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Retrieved 2009-04-10.

Notable fossil cephalopods (listed by first occurrence)

The belemnite-cuttlefish-like Belosaepia

Evolution of
cephalopods

Advanced nautiloids Nautilaceae True ammonites
Early coleoids Muensterelloidea Proteroctopus Styletoctopus Keuppia Palaeoctopus Paleocirroteuthis Vampyronassa
Ceratitid ammonoids late Nautilida
Advanced belemnoids Diplobelids: Diplobelus Belemnites: Belemnites Belemnopsis Belemnotheutis

Earliest unambiguous cephalopods: Plectronocerida: Plectronoceras, Monoplacophora-like form: Knightoconus? First appearance of long-lasting lineages Goniatite and ceratite ammonoids Probable coleoid ancestor Bactritida Early coleoids: Jeletzkya?, Gordoniconus, Syllipsimopodi Earliest belemnoids: Aulacocerids Phragmoteuthids
Early forms the earliest cephalopod group Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya

Misidentified

Probable misidentified genera: Nectocarididae: (Nectocaris, Nectocotis); Kirengellida; Volborthella; Shelbyoceras; Pohlsepia

Categories