Also known as Al's Pocket; Jenny's Pocket; Middle Fork of Lone Tree Gulch
Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 44.8° N, 98.4° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: White River Formation, Chadronian (37.2 - 33.9 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: R. J. Emry. 1992. Mammalian Range Zones in the Chadronian White River Formation at Flagstaff Rim, Wyoming. In D. R. Prothero, W. A. Berggren (eds.), Eocene-Oligocene Climatic and Biotic Evolution 106-115 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 16963: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Chris Bell, Terri Cleary and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
86-114 m, Ash D - Ash F
unclassified | |
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Reptilia | |
Helodermoides tuberculatus10 Douglass 1903 squamates AMNH Frick collection no. 8697, incomplete parietal; 8698, incomplete parietal
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Spathorhynchus natronicus2 Berman 1977 worm lizard Paratype specimen (AMNH 8678) from "NE 1/4 sec. 27, T31N, R83W, Middle Fork of Lone Tree Gulch, Natrona Co., Wyoming, White River Formation, 20 ft. below Ash F, Early Oligocene (Chadronian)." (p. 987)
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Mammalia | |
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Ankylodon sp. Patterson and McGrew 1937 elephant shrew | |
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Chadrolagus emryi Gawne 1978 rabbit
Megalagus brachyodon Matthew 1903 rabbit
Palaeolagus temnodon Douglass 1902 rabbit | |
Adjidaumo minimus Matthew 1903 rodent | |
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Prosciurus vetustus Matthew 1903 mountain beaver | |
"? Protosciurus jeffersoni" = Douglassciurus jeffersoni
"? Protosciurus jeffersoni" = Douglassciurus jeffersoni Douglass 1902 squirrel | |
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Nonomys simplicidens Emry and Dawson 1972 rodent | |
"Titanotheriomys veterior" = Ischyromys veterior
"Titanotheriomys veterior" = Ischyromys veterior Matthew 1903 rodent | |
Centetodon chadronensis Lillegraven et al. 1981 placental Al's Pocket and Jenny's Pocket: Asher et al. 2005
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Apternodus gregoryi Schlaikjer 1933 placental
Apternodus brevirostris Schlaikjer 1934 placental | |
Oligoryctes cameronensis, "Apternodus altitalonidus" = Oligoryctes altitalonidus
Oligoryctes cameronensis Hough 1956 placental
"Apternodus altitalonidus" = Oligoryctes altitalonidus Clark 1936 placental | |
Archaeotherium cf. coarctatum Cope 1889 even-toed ungulate | |
Hypisodus sp. Cope 1873 ruminant | |
Leptomeryx speciosus Lambe 1908 ruminant
Leptomeryx mammifer Cope 1885 ruminant | |
Pseudoprotoceras longinaris, "Leptotragulus profectus" = Trigenicus profectus
Pseudoprotoceras longinaris Cook 1934 protoceratid
"Leptotragulus profectus" = Trigenicus profectus Matthew 1903 protoceratid | |
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"Merycoidodon forsythae n. sp." = Miniochoerus forsythae Schultz and Falkenbach 1968 oreodont | |
Eotylopus reedi Matthew 1910 even-toed ungulate | |
Stibarus sp. Cope 1873 even-toed ungulate | |
Hyracodon cf. priscidens Lambe 1905 odd-toed ungulate | |
? Subhyracodon sp. Wood 1927 rhinoceros
? Trigonias sp. Lucas 1900 rhinoceros | |
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Brontotheriidae indet. Marsh 1873 brontothere | |
"Patriomanis americanus" = Patriomanis americana
"Patriomanis americanus" = Patriomanis americana Emry 1970 pangolin | |
Epoicotherium cf. unicum Douglass 1905 placental | |
Hyaenodon megaloides Mellett 1977 creodont
Hyaenodon montanus Douglass 1902 creodont
Hyaenodon mustelinus Scott 1894 creodont | |
Dinictis sp. Leidy 1854 false sabre-tooth | |
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"Hesperocyon paterculus" = Hesperocyon gregarius
"Hesperocyon paterculus" = Hesperocyon gregarius Cope 1873 canid described by Wang and Tedford 1994; specimens listed by Wang 1994 from 6, 10, 15, 20, and 30 ft above Ash D and both "in Ash F" and "in Titanothere channel (laterally replaced by Ash F"
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