purpurascens, Echeneis Duméril [A. H. A.] 1858:377 [Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences v. 47 (no. 9); ref. 17427] No locality stated [Guadeloupe]. No types known. Name with number of pairs of disks only. Not available, appearing without distinguishing characters, in synonymy of Echeneis naucrates Linnaeus 1758. •In the synonymy of Echeneis naucrates Linnaeus 1758 -- (Parenti 2021:567 [ref. 38651]). Nomen Nudum. Current status: Synonym of Echeneis naucrates Linnaeus 1758. Echeneidae. Habitat: brackish, marine.