. Bulletin. Natural history. Text-fig. 85. Lateral view of anterior tip of dentary. A. Platecarpus coryphaeus (AMNH 1511, X %). B. Platecarpus iciericus (AMNH 1488, X <;-). This species has not been identified from the Pierre and, although locality data is thus far insufficient, future work may show that it is absent in tlie upper part of the Niobrara as well. Platecarpus ictericiis (Cope 1871) (Text-figs. 2A, 4A, 5B, 6, 17, 22A, 23, 24B, 25, 29, 37, 38, 83, 84, 85B; Plate II, fig. 2) Liodon ictericus Cope, 1871a, p. 572. Holcodus ictericus. Cope, 1872a, p. 298. Liodon curtirostris Cope, 18
. Bulletin. Natural history. Text-fig. 85. Lateral view of anterior tip of dentary. A. Platecarpus coryphaeus (AMNH 1511, X %). B. Platecarpus iciericus (AMNH 1488, X <;-). This species has not been identified from the Pierre and, although locality data is thus far insufficient, future work may show that it is absent in tlie upper part of the Niobrara as well. Platecarpus ictericiis (Cope 1871) (Text-figs. 2A, 4A, 5B, 6, 17, 22A, 23, 24B, 25, 29, 37, 38, 83, 84, 85B; Plate II, fig. 2) Liodon ictericus Cope, 1871a, p. 572. Holcodus ictericus. Cope, 1872a, p. 298. Liodon curtirostris Cope, 1872a, p. 298 nomen nudum. Liodon curtirostris Cope, 1872d, p. 10. Lestosaiirus simus Marsh, 1872b, p. 455. Lestosaurus felix Marsh, 1872b, p. 457. Lestosaurus latifrons Marsh, 1872b, p. 458. Platecarpus ictericus, Cope, 1874, p. 35. Type. AMNH 1559, from ". . the north bank of the Smoky Hill River, thirty miles east of Fort Wallace, Kansas," (Cope, 1871b, p. 580) collected by B. F. Mudge. Type specimen includes a partial skull, 18 vertebrae and fragments of a pectoral girdle. Distribution. Smoky Hill Member, Niobrara Formation, Kansas; Lower Pierre Formation, Kansas, Wyoming and South 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, Peabody Museum of Natural History, Yale University
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