Table 1 in Systematic revision of the species of Protypotherium (Notoungulata: Interatheriidae) from the Santa Cruz Formation (Early-Middle Miocene), Argentinian Patagonia: a new phylogenetic hypothesis for the Interatheriidae

Table 1. Synthesis of the taxonomic scheme regarding the Santacrucian Interatheriinae genera Protypotherium, Interatherium (asser Fernández et al. 2023), Patriarchus (asser Fernández et al. 2019), and Neoicochilus (asser Fernández et al. 2021b). Species indicated in bold are the synonyms proposed in this contribution
Recognized speciesSynonymsAgeProtypotherium australe (Ameghino, 1887a)Toxodontophanus australis Ameghino, 1887a Patriarchus altus Ameghino, 1891a Patriarchus furculosus Ameghino, 1891a Patriarchus distortus Ameghino, 1891a Epipatriarchus bifidens Ameghino, 1904 Protypotherium martini Lane, 1927Santacrucian ColloncuranProtypotherium praerutilum Ameghino, 1887bProtypotherium affenuatum Ameghino, 1887b Patriarchus leptocephalus Ameghino, 1891a Protypotherium convexidens Ameghino, 1891a Patriarchus rectus Ameghino, 1891a Patriarchus diastematus Ameghino, 1891a Patriarchus icochiloides Ameghino, 1894 Protypotherium diversidens Ameghino, 1891a Eudiastatus lingulatus Ameghino, 1891b Protypotherium lineare Ameghino, 1894 Protypotherium globosum Ameghino,Santacrucian Colloncuran1891a Icochilus endiadys Roth, 1899Protypotherium claudum Ameghino, 1889-Santacrucian ColloncuranProtypotherium compressidens Ameghino, 1891a-SantacrucianInteratherium rodens Ameghino, 1887aTembotherium holmbergi Ameghino, 1887aSantacrucianInteratherium supernum Ameghino, 1889Icochilus excavatus Ameghino, 1889Icochilus rotundatus Ameghino, 1889Icochilus anomalus Ameghino, 1894Icochilus multidentatus Ameghino, 1894Interatherium anguliferum Ameghino, 1894Interatherium extensus (Ameghino, 1889)Icochilus extensus Ameghino, 1889 Icochilus robustus Ameghino, 1891b Icochilus hegetotheroides Ameghino, 1894 Icochilus lamellosus Ameghino, 1894 Icochilus senilis Ameghino, 1894 Icochilus crassiramis Ameghino, 1894 Icochilus trilineatus Ameghino, 1894 Icochilus truncus Ameghino, 1894 Interatherium interruptum Ameghino, 1894 Interatherium dentatum Ameghino, 1894 Icochilus ulter Ameghino, 1899SantacrucianPatriarchus palmidens Ameghino, 1889-Santacrucian (probably ‘Notohippidian’)Neoicochilus undulatus (Ameghino, 1889)-Deseadan Colhuehuapian Santacrucian (probably ‘Notohippidian’)