Belosaepiidae

Belosaepiidae; Temporal range: Eocene PreꞒ Ꞓ O S D C P T J K Pg N
	Belosepia sepioidea
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Sepiida
Suborder:	Sepiina
Family:	†Belosaepiidae
Genera
	†Aegyptosaepia Košťák, Jagt, Speijer, Stassen & Steurbaut, 2013; †Belosaepia Voltz, 1830; †Ceratisepia Meyer, 1993; †Pseudosepia Naef, 1923;

Belosaepiidae is an extinct family of cephalopods known from the Eocene epoch, and bearing close similarity to the sepiid cuttlefish, whilst retaining the remnants of a belemnite-like guard.^[1]^[2]

Ecology

A faunal collection has been found that contains species of both the egnera Belosaepiidae and Sepiidae, suggesting that they are likely to have originated from a seagrass environment in the past. As there was a lack of seagrass in the North Atlantic during the late Eocene period, at least one belosaepiid species went extinct during this time.^[3]

References

^ 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.
^ George F. Forsey (10 December 2019). "Seagrass and cuttlefish—an historic association". Palaeontologia Electronica. doi:10.26879/881. Retrieved 27 May 2024.

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[Yancey2010-1] 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.

[2] 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.

[3] George F. Forsey (10 December 2019). "Seagrass and cuttlefish—an historic association". Palaeontologia Electronica. doi:10.26879/881. Retrieved 27 May 2024.

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