Geminofilum, Capa, Nygren, Parapar, Bakken, Meissner & Moreira, 2019

Plathong, Jintana, Plathong, Sakanan & Capa, María, 2020, Two new species of Sphaerodoridae (Annelida) from the Gulf of Thailand, Zootaxa 4790 (1), pp. 57-75 : 58-59

Genus Geminofilum Capa et al., 2019

Geminofilum Capa et al., 2019: 31 .

Sphaerodoropsis Hartman & Fauchald, 1971: 69 (in part); Fauchald, 1974: 261 (in part); Borowski, 1994: 23 (in part); Moreira, 2012: 30 (in part); Capa et al., 2014: 18 (in part).

Type species. Sphaerodorum distichum (Eliason, 1962)

Diagnosis. Body short and cylindrical. Head with a median and a pair of lateral antennae; antenniform papillae absent or present; all appendages short. Tubercles sessile, spherical or hemispherical, arranged in two transversal rows per segment. Additional epithelial papillae on dorsal (sometimes absent) and ventral surfaces. Parapodia with elongated ventral cirri, as long as acicular lobe. Stout hooks in anterior chaetigers absent. All chaetae compound, unidentate, with serrated edge (after Capa et al. 2019).