Ancistrocheiridae Pfeffer, 1912

Arnold, Sam, Nos, David, Sáez-Liante, Raquel & Fernández-Álvarez, Fernando Á., 2025, Diversity in the squid family Ancistrocheiridae and description of a new family of the order Oegopsida (Cephalopoda), Zoological Journal of the Linnean Society 204 (3) : -

Family Ancistrocheiridae Pfeffer, 1912

Diagnosis: Modified from Fernández-Álvarez et al. (2022). Medium to large adult-sized Enoploteuthoidea with photophores embedded in the muscles of the tentacles; photophores of the surface of the mantle with two different sizes and geometrical assemblages; without visceral or ocular photophores; head and tail with fleshy, gelatinous tissue; nuchal folds present; buccal crown with 8 supports; with hooks, suckers or hard structures on all arms; tentacular clubs with hooks in two series on manus, suckers absent from manus, dactylus reduced, with a terminal pad; very large rhomboidal fins; posterior end of mantle elongate, with a short tail; digestive gland located far posterior to the nuchal cartilage; nidamental glands present; oviducts equally developed.