Whistler Squat (TMM 41372): Early/Lower Uintan, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Ischyromyidae
Ischyromyidae indet. Alston 1876
Campisano et al. 2014
TMM 41372-259, -278, -297, -305; gen. et sp. nov.
Lophiparamys sp. Wood 1962
Wood 1973
    = Microparamyinae indet. Wood 1962
Campisano et al. 2014
TMM 41372-286
Microparamys minutus (Wilson 1937)
Wood 1973
(1 measurement)
Thisbemys plicatus Wood 1962
Wood 1973
(1 measurement)
    = Thisbemys corrugatus Wood 1959
Alroy 2002
Mammalia - Rodentia - Paramyidae
Paramyidae indet. Miller and Gidley 1918
Wood 1973
Mammalia - Rodentia - Sciuravidae
Prolapsus sp. Wood 1973
Walton 1993
    = Pauromys texensis Walton 1993
Alroy 2002
replaces ID of Wood
Prolapsus sibilatoris n. sp. Wood 1973
Wood 1973
(5 measurements)
Mammalia - Rodentia - Cylindrodontidae
Mysops boskeyi n. sp. Wood 1973
Wood 1973
(4 measurements)
    = Pareumys boskeyi Wood 1973
Alroy 2002
Mammalia - Primates - Microsyopidae
Microsyops annectens (Marsh 1872)
West 1982
Mammalia - Primates - Omomyidae
Ourayia uintensis (Osborn 1895)
Campisano et al. 2014
TMM 41372-301
Mammalia - Sespedectidae
Proterixoides sp. Stock 1935
Campisano et al. 2014
TMM 41372-219, -308; said to be new species
Mammalia - Perissodactyla - Brontotheriidae
Protitanotherium emarginatum (Hatcher 1895)
Campisano et al. 2014
original and current combination Diplacodon emarginatus
TMM 41372-3, -431, -536
Mammalia - Perissodactyla - Amynodontidae
Amynodon advenus (Marsh 1875)
Wilson and Schiebout 1981
(1 measurement)
Mammalia - Perissodactyla - Equidae
Equidae indet. Gray 1821
Campisano et al. 2014
TMM 41372-204
Mammalia - Homacodontidae
Microsus cf. cuspidatus Leidy 1870
Stucky 1998
    = Hylomeryx sp. Peterson 1919
Alroy 2002
Mammalia - Protoceratidae
Leptoreodon marshi Wortman 1898
see Wilson 1974: reported as "TMM 40372" initially but this is surely a lapsus for TMM 41372 DUPLICATE REF 3667 or 3852 (6 measurements)
Mammalia - Carnivora - Miacidae
Miacidae indet. Cope 1880
Campisano et al. 2014
TMM 41372–389
Uintacyon scotti (Wortman and Matthew 1899)
Gustafson 1986
    = Miocyon cf. scotti Wortman and Matthew 1899
Alroy 2002
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus uintensis Osborn 1902
    = Hyopsodus sp. Leidy 1870
Alroy 2002
replaces ID of West 1982 and Wilson could be H. fastigatus DUPLICATE REF 3667 or 3852
Hyopsodus paulus Leidy 1870
West 1982
one specimen, apparently overlooked by Wilson
Mammalia
Herpetotherium marsupium Troxell 1923
West 1982
    = Herpetotherium sp. Cope 1873
Campisano et al. 2014
TMM 41372-239, -403
Reptilia
Pristichampsus cf. vorax (Troxell 1925)
Busbey 1986
recombined as Boverisuchus vorax
unclassified
Scenopagus cf. edenensis (McGrew et al. 1959)
Campisano et al. 2014
TMM 41372-118, -281
see common names

Geography
Country:United States State/province:Texas County:Brewster
Coordinates: 29.2° North, 103.2° West (view map)
Paleocoordinates:31.5° North, 93.4° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Lutetian 10 m.y. bin:Cenozoic 2
*Period:Tertiary
Key time interval:Early/Lower Uintan
Age range of interval:46.20000 - 40.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Devil's Graveyard Member:Lower
Local section:BuckH Local bed:3
Local order:bottom to top
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:TMM
Taxonomic list comments:Wax Camp is shown to overlie Whistler Squat s.s. in fig. 1 of Gustafson 1979, but I suspect this is a diagrammatic conceit
"lower 15.2 m" of Fm.: Gustafson 1986b
KA dates of 49.7 +/- 1.2 Ma and 46.9 +/- 1.0 Ma on volcanic tuff directly underlying the site; KA date of 43.9 +/- 0.9 on tuff overlying site; weighted average is 46.1 Ma, but Walton 1992 claims that the 43.9 date is "The most reliable... in the DGF" and the other two dates are incompatible with the AA date of 46.29 Ma for the underlying Alamo Creek Basalt (see Prothero 1996b)
overlies Junction and underlies Purple Bench/Serendipity/Titanothere Hill
the following taxa are from Whistler Squat but exact locality is unknown: Omomys carteri - NOT described by West 1982 Equidae indet. ("Orohippus or Epihippus") "Dichobunidae indet." ? Malaquiferus sp.
Metadata
Also known as:Whistler Squat Quarry #2
DUPLICATE REF 3667 or 3852
Database number:16651
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:G. Varnham Research group:vertebrate
Created:1994-07-26 00:00:00 Last modified:2022-01-28 07:18:49
Access level:the public Released:1994-07-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3667. J. A. Wilson. 1986. Stratigraphic Occurrence and Correlation of Early Tertiary Vertebrate Faunas, Trans-Pecos Texas: Agua Fria-Green Valley Areas. Journal of Vertebrate Paleontology 6(4):350-373 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
7606 A. B. Busbey, III. 1986. Pristichampsus cf. P. vorax (Eusuchia; Pristichampsinae) from the Uintan of West Texas. Journal of Vertebrate Paleontology 6(1):101-103 [J. Alroy/J. Alroy/J. Alroy]
56620 C. J. Campisano, E. C. Kirk, K. E. B. Townsend and A. L. Deino. 2014. Geochronological and Taxonomic Revisions of the Middle Eocene Whistler Squat Quarry (Devil’s Graveyard Formation, Texas) and Implications for the Early Uintan in Trans-Pecos Texas. PLoS ONE 9(7):e101516 [J. Marcot/J. Marcot]
1758 E. P. Gustafson. 1986. Carnivorous mammals of the Late Eocene and Early Oligocene of Trans-Pecos Texas. Texas Memorial Museum Bulletin 33:1-66 [J. Alroy/J. Alroy/J. Marcot]
6236 R. K. Stucky. 1998. Eocene bunodont and bunoselenodont Artiodactyla ("dichobunids"). In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 358-374 [J. Alroy/J. Alroy/M. Uhen]
3547 A. H. Walton. 1993. Pauromys and other small Sciuravidae (Mammalia: Rodentia) from the middle Eocene of Texas. Journal of Vertebrate Paleontology 13(2):243-261 [J. Alroy/J. Alroy/P. Wagner]
3605 R. M. West. 1982. Fossil Mammals from the Lower Buck Hill Group, Eocene of Trans-Pecos Texas: Marsupicarnivora, Primates, Taeniodonta, Condylarthra, Bunodont Artiodactyla, and Dinocerata. Pearce-Sellards Series 35:1-20 [J. Alroy/J. Alroy/J. Marcot]
3669 J. A. Wilson and J. A. Schiebout. 1981. Early Tertiary Vertebrate Faunas Trans-Pecos Texas: Amynodontidae. Pearce-Sellards Series 33:1-62 [J. Alroy/J. Alroy/J. Marcot]
3734 A. E. Wood. 1973. Eocene Rodents, Pruett Formation, Southwest Texas; Their Pertinence to the Origin of the South African Caviomorpha. Pearce-Sellards Series 20 [J. Alroy/J. Alroy/J. Ju]