Acromegalomma pacifici (Grube & Oersted in Grube, 1859) comb. n.

Sabella pacifici Grube and Örsted in Grube 1859: 113.

Type locality.

Punta Arenas, Gulf of Nicoya, Costa Rica (9.976°, -84.852°; estimated geolocation).

Synonym.

Pseudopotamilla panamica Chamberlin 1919a: 268-269, plate 3 fig. 8 [subjective synonymy by Knight-Jones (1997)].

Remarks.

The authorship of the species is here considered as "Grube & Örsted in Grube, 1859", according to Salazar-Vallejo and Eibye-Jacobsen (2012: 1398). The authorship appears clearly referred twice in the original publication as "Gr. Örsd.” (Grube 1859: 113, 120).