. Bulletin. Natural history; Natuurlijke historie. 26 REVISION OF THE UINTATHERES Dinoceras (Paroceras) Marsh, 1885b, p. 200 Tinoceras (Platoceras) Marsh, 1885b, p. 213, 214 Tinoceras (Laoceras) Marsh, 1885b, p. 216 Octotomus Cope, 1885b, pp. 44, 52-53 Ditetrodon Cope, 1885c, p. 594 Elachoceras Scott, 1886, pp. 304-307. B B Eobasileus to to Tetheopsis to to Uintatherium to to Fig. 1. Skull proportions in uintathere genera. The outline is from a specimen of Uintatherium anceps. Type species: Uintatherium robustum Leidy, 1872 :=z Titanotherium? anc
. Bulletin. Natural history; Natuurlijke historie. 26 REVISION OF THE UINTATHERES Dinoceras (Paroceras) Marsh, 1885b, p. 200 Tinoceras (Platoceras) Marsh, 1885b, p. 213, 214 Tinoceras (Laoceras) Marsh, 1885b, p. 216 Octotomus Cope, 1885b, pp. 44, 52-53 Ditetrodon Cope, 1885c, p. 594 Elachoceras Scott, 1886, pp. 304-307. B B Eobasileus to to Tetheopsis to to Uintatherium to to Fig. 1. Skull proportions in uintathere genera. The outline is from a specimen of Uintatherium anceps. Type species: Uintatherium robustum Leidy, 1872 :=z Titanotherium? anceps Marsh, 1871. Distribution: Upper Bridgerian (middle Eocene) of the Bridger and Washakie Basins of Wyoming and questionably present in Uintan (Upper Eocene) of the Uinta Basin of Utah. Diagnosis: Large uintathere, distinguished from Eobasileus and Tetheopsis by skull propor- tions. Skull relatively broad with parietal horn well in advance of occiput. The relative propor- tions for the large genera are shown in figure 1. Posterodorsal part of temporal fossa very wide; maxillary horn above diastema. Skull in known specimens 69 to 85 cm. long; upper cheek tooth row 143 to 169 mm long. Discussion: It was Marsh's original intention that his monograph would be followed in publication by a synopsis in the Fifth Annual Report of the Director of the U. S. Geological Survey. It happened that the synopsis (Marsh 1885a) was. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Peabody Museum of Natural History. New Haven : The Museum
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