Trichechus Linnaeus 1758

Trichechus Linnaeus 1758, Syst. Nat., 10th ed., Vol. 1: 34.

Type Species: Trichechus manatus Linnaeus 1758

Synonyms: Halipaedisca Gistel 1848; Manatus Brünnich 1771; Oxystomus G. Fischer von Waldheim 1803; Trichecus Oken 1816 .

Species and subspecies: 3 species:

Species Trichechus inunguis Natterer 1883

Species Trichechus manatus Linnaeus 1758

Species Trichechus senegalensis Link 1795

Discussion: Revised by Hatt (1934 a); evolutionary history summarized by Domning (1982). See McKenna and Bell (1997); Susan Bell (pers. comm., 2002) confirmed that Brünnich, 1771 is the correct authority for Manatus .