Belosaepiidae

Belosaepiidae Temporal range: Eocene PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Sepiida
Suborder:	Sepiina
Family:	†Belosaepiidae
Genera
Belosaepia Ceratisepia Meyer, 1993 Anomalosaepia Weaver & Ciampaglio, 2003 Mississaepia^[1]

Belosaepiidae is a family of cephalopods known from the Eocene, and bearing close similarity to the sepiid cuttlefish, whilst retaining the remnants of a belemnite-like guard.^[2]^[3]

References

↑ Weaver, P.G.; Dockery, III; Ciampaglio, C.N. (2010). "A new genus of coleoid cephalopod from the Jackson Group (Late Eocene), Hinds County, Mississippi". Palaeontographica Abteilung A. 292 (1–3): 53–63.
↑ Yancey, T. E.; Garvie, C. L.; Wicksten, M. (2010). "The Middle Eocene Belosaepia ungula (Cephalopoda: Coleoida) from Texas: Structure, Ontogeny and Function" (PDF). Journal of Paleontology. 84 (2): 267–287. doi:10.1666/09-018R.1.
↑ Weaver, P.G.; Ciampaglio, C.N. (2003). "A new genus of belosaepiid (Coleoidea) from the Castle Hayne Limestone (Eocene) of Southeastern North Carolina". Journal of Paleontology. 77 (6): 1103–1106. doi:10.1666/0022-3360(2003)077<1103:ANGOBC>2.0.CO;2.

Notable fossil cephalopods (listed by first occurrence)

Cenozoic

Mesozoic

Advanced nautiloids Nautilaceae True ammonites

Early coleoids Proteroctopus Styletoctopus Keuppia Palaeoctopus Paleocirroteuthis

Ceratitid ammonoids late Nautilida

Advanced belemnoids Diplobelids: Diplobelus Belemnites: Belemnites Belemnopsis Belemnotheutis

Palaeozoic

First appearance of long-lasting lineages Goniatite and ceratite ammonoids Probable coleoid ancestor Bactritida Earliest belemnoids: Aulacocerids: Aulacoceras Phragmoteuthids: Phragmoteuthis

Early forms the earliest cephalopod group Ellesmerocerida Orthocones: Endocerida, Orthocerida, Actinocerida Brevicones: Ascocerida, Oncocerida Earliest coiled cephalopods: Tarphycerida Spirulid?: Shimanskya

Octopus Pohlsepia

Cambrian

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