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Bathyteuthida

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(Redirected from Bathyteuthoidea) Order of squids

Bathyteuthida
Bathyteuthis abyssicola
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Superorder: Decapodiformes
Order: Bathyteuthida
Lindgren, 2010
Families

Bathyteuthidae
Chtenopterygidae

Bathyteuthida is an order of cephalopods, consisting of small, mesopelagic to bathypelagic squid that in some ways resemble myopsid squid, such as Loligo and in others the pelagic oegopsid squid. Its two families, the Bathyteuthidae and Chtenopterygidae, each containing a single genus, have previously been included with the oegopsids.

As with the oegopsids, the Bathyteuthida lack corneal membranes covering their eyes, something common to myopsid squid, and have paired oviducts, lacking in myopsids. As with the myopsids, bathyteuthids have tentacle pockets in the head and small suckers on the buccal supports, found only in this group, Loliginidae, and Sepiidae; neither is found in true oegopsids. The Bathyteuthida do share the open ocean pelagic habitat with the oegopsid squid, uniting them in that way with that diverse group.

The Bathyteuthidae and Chtenopterygidae differ in body conformation, the internal shell, and in the manner in which buccal supports attach to the lowermost arms (pair IV). Buccal supports attach to the dorsal side of arms IV in the Bathyteuthidae and the ventral side of arms IV in the Chtenopterygidae.

References

  1. "WoRMS - World Register of Marine Species - Bathyteuthida". www.marinespecies.org. Retrieved 2023-04-10.
  2. ^ Lindgren, Annie R. (2010-07-01). "Molecular inference of phylogenetic relationships among Decapodiformes (Mollusca: Cephalopoda) with special focus on the squid Order Oegopsida". Molecular Phylogenetics and Evolution. 56 (1): 77–90. doi:10.1016/j.ympev.2010.03.025. ISSN 1055-7903. PMID 20348002.
  3. Fernández-Álvarez, Fernando Ángel; Taite, Morag; Vecchione, Michael; Villanueva, Roger; Louise, Allcock. "A phylogenomic look into the systematics of oceanic squids". academic.oup.com. doi:10.1093/zoolinnean/zlab069. hdl:10261/267184. Retrieved 2023-04-08.
Taxon identifiers
Bathyteuthoidea
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