Osorina Whitley [G. P.] 1951:68 Fem. Muraenosaurus guentheri Osório 1909. Type by being a replacement name. Replacement for Muraenosaurus Osorio 1909, preoccupied by Muraenosaurus Seeley 1874 in Reptilia. •Synonym of Nettastoma Rafinesque 1810 -- (Blache et al. 1973:236 [ref. 7185], Smith et al. 1981:538 [ref. 6158], Smith 1989:604 [ref. 13285]). Current status: Synonym of Nettastoma Rafinesque 1810. Nettastomatidae.