Nematomenia Simroth, 1893

Cobo, M. Carmen & Kocot, Kevin M., 2021, On the diversity of abyssal Dondersiidae (Mollusca: Aplacophora) with the description of a new genus, six new species, and a review of the family, Zootaxa 4933 (1), pp. 63-97 : 71-73

Genus Nematomenia Simroth, 1893

Type species. Nematomenia flavens ( Pruvot, 1890) , Mediterranean and North Sea 45‾ 167 m.

Other species. N. corallophila (Kowalesky, 1881) , Mediterranean Sea 73‾ 183 m; N. banyulensis ( Pruvot, 1890) , Mediterranean Sea and Norway 31‾ 300 m; N. platypoda ( Heath, 1911) , Pacific Ocean and Bering Sea 42‾ 880 m; N. arctica Thiele, 1913b , Arctic? m; N. glacialis Thiele, 1913a , Antarctic 385 m; N. protecta Thiele, 1913b , Antarctic 385 m; N. squamosa Thiele, 1913a , Antarctic 385 m; N. incirrata Salvini-Plawen, 1978 , Antarctic 298‾ 302 m; N. ptyalosa Salvini-Plawen, 1978 , Antarctic 148‾ 201 m; N. tegulata Salvini-Plawen, 1978 , Antarctic 148‾ 201 m.

Diagnosis. Elongate body with or without keel. Leaf-shaped scales as major sclerites, and with oar-shaped, pallet-shaped, or laminar scales scattered between them. With common atrio-buccal cavity. Monoserial radula with four denticles that narrow distally, neighboring denticles usually joined at the apex, or radula lacking. With or without dorsoterminal sensory organ. With or without copulatory stylets. Without respiratory folds.