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Isotemnidae
Taxonomy
Isotemnidae was named by Ameghino (1897).
It was assigned to Ancylopoda by Ameghino (1897); to Astrapotheria by Gregory (1910); to Entelonychia by Simpson (1934) and Simpson (1935); to Toxodontia by McKenna (1956) and Simpson (1967); to Notoungulata by Simpson (1970); and to Toxodonta by Vucetich and Bond (1982).
It was assigned to Ancylopoda by Ameghino (1897); to Astrapotheria by Gregory (1910); to Entelonychia by Simpson (1934) and Simpson (1935); to Toxodontia by McKenna (1956) and Simpson (1967); to Notoungulata by Simpson (1970); and to Toxodonta by Vucetich and Bond (1982).
Subtaxa
Acoelohyrax (syn. Plexotemnus), Anisotemnus (syn. Toxotemnus), Calodontotherium, Coelostylodon, Colhuapia, Colhuapia rosei, Colhuelia, Distylophorus (syn. Stylophorus), Eurystephanodon crassatus, Interhippus deflexus, Isotemnus (syn. Eochalicotherium, Amphitemnus, Prostylops, Dimerostephanos, Lelfunia), Lafkenia, Lafkenia schmidti, Lafkenia sulcifera, Lophocoelus, Pampatemnus, Pehuenia magna, Pelurocoelodon, Pleurocoelodon, Pleurostylodon (syn. Dialophus, Parastylops, Porotemnus, Tychostylops, Coelostylops, Paratemnus, Anchistrum), Rhyphodon (syn. Pehuenia, Setebos), Thomashuxleya, Thomashuxleya principialis, Trigonolophodon modicus, Trimerostephanos
Synonyms
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Synonymy list
Year | Name and author |
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1897 | Isotemnidae Ameghino p. 479 |
1902 | Interhippus deflexus Ameghino p. 13 |
1902 | Thomashuxleya principialis Ameghino p. 25 |
1902 | Colhuelia Roth p. 254 |
1902 | Colhuelia fruhi Roth p. 254 |
1902 | Lafkenia Roth p. 254 |
1902 | Lafkenia schmidti Roth p. 254 |
1902 | Lafkenia sulcifera Roth p. 254 |
1902 | Colhuapia Roth p. 255 |
1902 | Colhuapia rosei Roth p. 255 |
1903 | Pehuenia magna Roth p. 145 |
1903 | Trigonolophodon modicus Roth p. 147 |
1903 | Eurystephanodon crassatus Roth p. 151 |
1904 | Pehuenia magna Roth p. 145 |
1904 | Trigonolophodon modicus Roth p. 147 |
1910 | Isotemnidae Gregory p. 466 |
1934 | Isotemnidae Simpson |
1935 | Isotemnidae Simpson p. 15 |
1956 | Isotemnidae McKenna p. 736 |
1967 | Isotemnidae Simpson |
1970 | Isotemnidae Simpson |
1982 | Isotemnidae Vucetich and Bond |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Isotemnidae Ameghino 1897
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G. †Acoelohyrax Ameghino 1902
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†Acoelohyrax complicatissimus Ameghino 1904
†Acoelohyrax coronatus Ameghino 1902
†Acoelohyrax sigma Ameghino 1901
Invalid names: Plexotemnus Ameghino 1904 [synonym]
G. †Anisotemnus Ameghino 1902
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†Anisotemnus distentus Ameghino 1901
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Invalid names: Isotemnus lophiodontoides Ameghino 1901 [synonym]
Invalid names: Toxotemnus Ameghino 1904 [synonym]
G. †Calodontotherium Roth 1903
G. †Coelostylodon Simpson 1970
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†Coelostylodon caroloameghinoi Simpson 1970
†Coelostylodon florentinoameghinoi Simpson 1970
G. †Distylophorus Ameghino 1902
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†Distylophorus alouatinus Roth 1902
Invalid names: Stylophorus Roth 1902 [replaced]
G. †Isotemnus Ameghino 1897
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†Isotemnus ctalego Simpson 1935
†Isotemnus haugi Roth 1902
†Isotemnus latidens Ameghino 1901
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Invalid names: Eochalicotherium crassidens Ameghino 1901 [synonym], Eochalicotherium robustum Ameghino 1901 [synonym], Isotemnus apicatus Ameghino 1901 [synonym], Isotemnus cuspidatus Ameghino 1901 [synonym], Isotemnus enecatus Ameghino 1901 [synonym]
†Isotemnus primitivus Ameghino 1897
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Invalid names: Amphitemnus nucleatus Ameghino 1904 [synonym], Amphitemnus transitorius Ameghino 1904 [synonym], Eochalicotherium cretaceum Ameghino 1901 [synonym], Isotemnus conspiquus Ameghino 1897 [synonym], Trimerostephanos angustus Ameghino 1897 [synonym]
Invalid names: Amphitemnus Ameghino 1904 [synonym], Dimerostephanos Ameghino 1902 [synonym], Eochalicotherium Ameghino 1901 [synonym], Isotemnus colhuehuapiensis Ameghino 1902 [nomen vanum], Lelfunia Roth 1902 [synonym], Prostylops Ameghino 1897 [synonym], Prostylops typus Ameghino 1897 [nomen dubium]
G. †Pampatemnus Vucetich and Bond 1982
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†Pampatemnus deuteros Vucetich and Bond 1982
†Pampatemnus infernalis Vucetich and Bond 1982
G. †Pelurocoelodon
G. †Pleurocoelodon Ameghino 1894
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†Pleurocoelodon cingulatus Ameghino 1894
†Pleurocoelodon wingei Ameghino 1894
G. †Pleurostylodon Ameghino 1897
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†Pleurostylodon complanatus Ameghino 1902
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Invalid names: Pleurostylodon irregularis Ameghino 1904 [synonym], Pleurostylodon neglectus Ameghino 1904 [synonym]
†Pleurostylodon crassiramis Ameghino 1902
†Pleurostylodon modicus Ameghino 1897
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Invalid names: Anchistrum sulcosum Ameghino 1901 [synonym], Dialophus simus Ameghino 1901 [synonym], Dimerostephanos attritus Ameghino 1902 [synonym], Parastylops coelodus Ameghino 1897 [synonym], Paratemnus geminatus Ameghino 1904 [synonym], Pleurostylodon divisus Ameghino 1901 [synonym], Pleurostylodon limpidus Ameghino 1904 [synonym], Pleurostylodon obscurus Ameghino 1904 [synonym], Pleurostylodon plexus Ameghino 1901 [synonym], Pleurostylodon sinuosus Ameghino 1902 [synonym], Trimerostephanos biconus Ameghino 1897 [synonym], Tychostylops marculus Ameghino 1901 [synonym]
†Pleurostylodon recticrista Ameghino 1904
†Pleurostylodon similis Ameghino 1901
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Invalid names: Coelostylops crassus Ameghino 1901 [synonym], Tychostylops simus Ameghino 1904 [synonym]
Invalid names: Anchistrum Ameghino 1901 [synonym], Coelostylops Ameghino 1901 [synonym], Dialophus Ameghino 1901 [synonym], Parastylops Ameghino 1897 [synonym], Paratemnus Ameghino 1904 [synonym], Pleurostylodon bifidus Ameghino 1904 [nomen dubium], Pleurostylodon notabilis Ameghino 1901 [nomen dubium], Porotemnus Ameghino 1902 [synonym], Tychostylops Ameghino 1901 [synonym]
G. †Rhyphodon Roth 1899
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†Rhyphodon angusticephalus Roth 1904
†Rhyphodon lankesteri Roth 1899
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Invalid names: Lemudeus proportionalis Roth 1904 [synonym], Pehuenia insigna Roth 1904 [synonym], Pehuenia wehrlii Roth 1902 [synonym], Setebos terribilis Roth 1902 [synonym]
Invalid names: Pehuenia Roth 1902 [synonym], Setebos Roth 1902 [synonym]
G. †Thomashuxleya Ameghino 1901
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†Thomashuxleya rostrata Ameghino 1901
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Invalid names: Thomashuxleya robusta Ameghino 1901 [synonym]
G. †Trimerostephanos Ameghino 1895
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†Trimerostephanos coalitus Ameghino 1901
†Trimerostephanos coarctatus Ameghino 1901
†Trimerostephanos scabrus Ameghino 1894
†Trimerostephanos scalaris Ameghino 1897
Invalid names: Colhuapia Roth 1902 [nomen dubium], Colhuapia rosei Roth 1902 [nomen dubium], Colhuelia Roth 1902 [nomen dubium], Eurystephanodon crassatus Roth 1903 [nomen dubium], Interhippus deflexus Ameghino 1902 [nomen dubium], Lafkenia Roth 1902 [nomen dubium], Lafkenia schmidti Roth 1902 [nomen dubium], Lafkenia sulcifera Roth 1902 [nomen dubium], Pehuenia magna Roth 1904 [nomen dubium], Thomashuxleya principialis Ameghino 1902 [nomen dubium], Trigonolophodon modicus Roth 1904 [nomen dubium]
Diagnosis
No diagnoses are available