The four phyla of Oligocene titanotheres

H. F. Osborn

1902

Article

Bulletin of the American Museum of Natural History 16(8):91-109

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Taxa discussed in this work:

• Brontops bicornutus
• Brontops brachycephalus
• Brontotherium ingens
• Brontotherium leidyi
• Brontotherium medium
• Cantius venticolus
• Diconodon
• Haplomylus speirianus
• Hipposyus
• Hyopsodus
• Hyopsodus marshi
• Hyopsodus uintensis
• Hyopsodus wortmani
• Menodus hypoceras
• Menodus peltoceras
• Menops heloceras
• Menops marshi
• Microchoerus
• Microsus
• Notharctus venticolus
• Olbodotes
• Olbodotes copei
• Palaeacodon
• Palaeacodon verus
• Pelycodus jarrovii
• Symborodon acer
• Titanotherium ramosum

Taxonomy:

• Haplacodon belongs to Megacerops - Osborn (1902)
• Hyopsodus uintensis belongs to Hyopsodus - Osborn (1902)
• Hyopsodus wortmani belongs to Hyopsodus - Osborn (1902)