Galathealinum Kirkegaard, 1956

Smirnov, R. V., Zaitseva, O. V. & Vedenin, A. A., 2020, A remarkable pogonophoran from a desalted shallow near the mouth of the Yenisey River in the Kara Sea, with the description of a new species of the genus Galathealinum (Annelida: Pogonophora: Frenulata), Zoosystematica Rossica (China) 29 (1), pp. 138-154 : 141

Genus Galathealinum Kirkegaard, 1956

Diagnosis. Very large polybrachiids (D f 1.0– 1.5 mm, in average ~ 1.42 mm). Tentacles numerous (Q tn ~78–268, in average ~162), very short (L tn /D f ~15), arranged in multirowed horseshoe. Segmental groove on forepart. Cephalic lobe comparatively small (L cl /D f ~0.95). Bridle keels homogenous. Wing-like epidermal folds on forepart. Papillae in anterior (metameric) part of trunk usually well-developed, with one or several cuticular plaques and numerous multicellular glands in each papilla. Nonmetameric papillae tranversely elongated, arranged alternately on right and left sides of mid-dorsal groove. Spermatophores wide, leaf-like, with one asymmetrical wing. Tube rigid, opaque, segmented and sometimes ringed. Segments with funnel-like rigid frills. Anterior end of tube rigid, funnel-like. Funnel simple.

The genus comprises five species: G. bruuni , G. brachiosum , G. arcticum , G. mexicanum , and G. karaense . Type species: G. bruuni .