
Prolagostomus Ameghino, 1887aTYPE SPECIES: Prolagostomus pusillus Ameghino, 1887a.INCLUDED SPECIES: The type species, Pro. obliquidens Scott, 1905, Pro. rosendoi Vucetich, 1984, and Prolagostomus sp. nov.?, Kramarz, 2002.AGE AND DISTRIBUTION: Pinturas Formation, Santacrucian (“ Pinturan ”) SALMA, Santa Cruz Province, Argentina; Cerro Boleadoras Formation, Santacrucian SALMA, Neuquén Province, Argentina; Galera Formation, Santacrucian SALMA, Aysén Region, Chile; Santa Cruz Formation, Santacrucian SALMA, Santa Cruz Province, Argentina; Cura-Mallín Formation, Santacrucian? SALMA, Biobío Region, Chile; Collón Curá Formation, Colloncuran SALMA, Chubut, Neuquén, and Río Negro provinces, Argentina; Río Frías Formation, Colloncuran SALMA, Aysén Region, Chile, and Chubut Province, Argentina; unnamed formation (Quebrada Honda), Laventan SALMA, Tarija Department, Bolivia.
