pearsei, Typhlias Hubbs [C. L.] 1938:291, Pl. 3 [Carnegie Institution of Washington Publications No. 491 (art. 21); ref. 2248] Pool in Balaam Canche Cave near Chichen Itza, about 20°40'N, 88°32'W, Yucatán, Mexico. Holotype: UMMZ 116094. Paratypes: UMMZ 116095 (1). •Valid as Ogilbia pearsei (Hubbs 1938) -- (Cohen & Nielsen 1978:60 [ref. 881], Gamboa Pérez 1992:319 [ref. 38704], Espinosa Pérez et al. 1993:30 [ref. 22290], Nielsen & Cohen in Nielsen et al. 1999:135 [ref. 24448], Castro-Aguirre et al. 1999:165 [ref. 24550], Romero & Paulson 2001:32 [ref. 26040], Nielsen in Reis et al. 2003:507 [ref. 27061], Miller 2006:178 [ref. 28615], Proudlove 2006:177 [ref. 28992]). •Valid as Typhliasina pearsei (Hubbs 1938) -- (Nielsen 2003:974 [ref. 27009], Møller et al. 2004:187 [ref. 27770], Garrido-Linares & Acero P. 2006:291 [ref. 28946], Proudlove 2006:283 [ref. 28992], Page et al. 2013:96 [ref. 32708], Møller et al. 2016:Appendix B [ref. 34432] in Dinematichthyidae). •Valid as Typhlias pearsei Hubbs 1938 -- (Scharpf 2017:371 [ref. 35578], Pérez-Rodríguez et al. 2023:58 [ref. 40739]). Current status: Valid as Typhlias pearsei Hubbs 1938. Dinematichthyidae. Distribution: Southern North America: Yucatán peninsula in freshwater caves and sinkholes (Mexico). Habitat: freshwater.