Also known as Wagonhound Bend
Where: Uintah County, Utah (40.2° N, 109.9° W: paleocoordinates 43.0° N, 98.9° W)
• coordinate based on political unit
When: Wagonhound Member (Uinta Formation), Uintan (46.2 - 39.7 Ma)
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: D. R. Prothero. 1996. Magnetic stratigraphy and biostratigraphy of the middle Eocene Uinta Formation, Uinta Basin, Utah. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 3-24 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 16646: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Roger Benson and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
the following records are strictly Uinta C according to Prothero or others but placed here by Kay 1957 or others:
likely to include any of the following "Wagonhound member" records of Kay 1957 and "B" records of others: Thisbemys ("Paramys") medius (strictly Uinta C: Wood 1962) "Ischyrotomus gidleyi" (synonym of Reithroparamys sciuroides; type is said by Wood 1962 and Black and Sutton 1984 to be from the Myton Mbr.) Leptotomus leptodus Wood 1962: "Wagonhound member... White River"; includes type of "Paramys grangeri" of Matthew 1910b Bunomeryx elegans
the following "Wagonhound" or "Uinta B" records are problematic for other reasons: Mytonomys mytonensis Korth 1988b (not mentioned by Prothero) "diacodont" Achaenodon insolens Peterson 1919: Douglass material from "Horizon B" (= Uinta B2), locality not given (species not recognized by Prothero)
"Oxyaenodon wortmani": probably type of Van Valen 1966, a nomen dubium AMNH specimen from "Uinta B"
"Isectolophus annectens" may be supposed Uinta C material of Peterson 1919 from "White River" or "Homogalax uintensis" type of Troxell 1922b from "mouth of the White River, Utah"
Mammalia | |
"Apatemys uintensis n. sp." = Stehlinius uintensis
"Apatemys uintensis n. sp." = Stehlinius uintensis Matthew 1921 eutherian probably the type of Matthew 1921, provenance not stated
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Sciuravus altidens n. sp.6
Sciuravus altidens n. sp.6 Peterson 1919 rodent from base of Uinta B2 "between Bonanza and Kennedy's Hole" (i.e., in Wagonhound Canyon); listed by Prothero 1996a at White River Pocket for unknown reasons
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Thisbemys uintensis n. sp., Pseudotomus petersoni n. sp.
Thisbemys uintensis n. sp. Osborn 1895 rodent presumably type of Osborn 1895, described by Wood 1962; also Wood's "Paramys sp."from "Wagonhound member (B)... Uinta Basin"
Pseudotomus petersoni n. sp. Matthew 1910 rodent presumably type of Matthew 1910b from "Telmatotherium level"; see also Wood 1962, who gives no locality data
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Leptoreodon marshi Wortman 1898 protoceratid probably "Uinta B" material of Kay 1957; his "Leptoreodon gracilis" appears to be a nomen nudum
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"Achaenodon uintensis n. sp." = Achaenodon uintense
"Achaenodon uintensis n. sp." = Achaenodon uintense Osborn 1895 even-toed ungulate see Peterson 1919: includes type, from horizon "B... eastern portion of Uinta Basin"; presumably includes "Protelotherium sp." of Kay 1957, placed at top of Uinta B2 in Amynodon Sandstone by Riggs 1912, Osborn 1929
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Mesomeryx grangeri n. gen. n. sp.
Mesomeryx grangeri n. gen. n. sp. Peterson 1919 even-toed ungulate see Peterson 1919: type; said to be from "Lower C," but actually from Uinta B "N.E. of Well No. 2" according to Gazin 1955
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Sphenocoelus hyognathus7 Osborn 1889 brontothere type of Osborn 1895 upper Uinta B (=B2); "D. hyognathus" from Uinta B2 of Osborn 1929; may or may not include the following: "D. longiceps" Peterson 1924: type, lower B (= B2) "one-half mile east of Well No. 2, near Bonanza"; assigned to Uinta B2 by Osborn 1929 "D. intermedius" Osborn 1908: type, Uinta B (= B2); see also Peterson 1924 "D. heterodon" Douglass 1909d: type, upper B (=B2) or lower C "six or seven miles northeast of Well 2"; placed in Wagonhound Member by Kay "D. fluminalis" Peterson 1924: type, Uinta B "Amynodon Sandstone"
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"Eomoropus annectens n. sp." = Eomoropus amarorum6
"Eomoropus annectens n. sp." = Eomoropus amarorum6 Cope 1881 chalicothere type is from "near Wagon-hound Bend" (Peterson 1919); see also Radinsky 1964; upper D. cornutus (B2) beds according to Lucas and Schoch 1989; E. amarorum of Prothero 1996
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Amynodon advenus Marsh 1875 odd-toed ungulate includes "A. intermedius" Riggs 1912 from below Amynodon Sandstone in Kennedy's Basin
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Harpagolestes brevipes n. sp.8 Thorpe 1923 condylarth "White River, Utah... from the greenish white clay horizon"; this seems to be the "Green clays" (= Uinta B2 below Amynodon Sandstone) of Riggs 1912 in Kennedy's Basin; this species is nowhere mentioned by Prothero
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Limnocyon potens1 Matthew 1909 creodont probably type of Peterson 1919: from "horizon B... Eastern end of Uinta Basin"
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Apataelurus kayi n. sp.2
Apataelurus kayi n. sp.2 Scott 1937 creodont presumed to be type of Scott 1938 from "Middle Uinta beds (Section B)," no locality given; and from "Uinta B" by Denison
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Miocyon scotti n. sp.
Miocyon scotti n. sp. Wortman and Matthew 1899 carnivoran probably type of Wortman and Matthew 1899; see also Gustafson 1986b
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"Miacis uintensis n. sp." = Prodaphaenus uintensis Osborn 1895 placental probably type of Osborn 1895
Procynodictis vulpiceps1 Wortman and Matthew 1899 placental new material; possibly the "miacid" skeleton from "upper B or lower C" mentioned by Peterson 1919
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Uintatherium sp. Leidy 1872 uintathere probably material of Wheeler 1961 from "Uinta B2... near the White River"
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Reptilia | |
"Baena gigantea n. sp." = Chisternon undatum4, "Baena inflata" = Baena affinis5, "Baena emiliae" = Baena arenosa5
"Baena gigantea n. sp." = Chisternon undatum4 Leidy 1871 turtle CM 3441 (type of Baena gigantea Gilmore, 1915, figs. 5-7, pl. 20), shell
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