parvipinnis, Cotylopus Guichenot [A.] 1863:C-11 [Faune ichthyologique 2nd Partie, Annexe C.; ref. 1943] Réunion, western Mascarenes, southwestern Indian Ocean. Holotype (unique): MNHN 0000-3120. Type catalog: Bauchot et al. 1991:21 [ref. 19958]. •Synonym of Cotylopus acutipinnis Guichenot 1863 -- (Maugé 1986:366 [ref. 6218], Watson 1995:65 [ref. 22316], Fricke 1999:506 [ref. 24106], Larson 2022:177 [ref. 39971]). Current status: Synonym of Cotylopus acutipinnis Guichenot 1863. Oxudercidae: Sicydiinae. Habitat: freshwater, brackish, marine.