Joe's Bonebed: Torrejonian, Texas
collected by John A. Wilson 1969

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Leptictidae
? Palaeictops sp. Matthew 1899
Mammalia
Psittacotherium multifragum Cope 1882
Schoch 1986
TMM 41366
Mammalia - Apatemyidae
Jepsenella sp. Simpson 1940
Mammalia - Macroscelidea - Apheliscidae
Haplaletes disceptatrix Simpson 1935
(1 measurement)
Mammalia - Phenacodontidae
Phenacodus cf. matthewi Simpson 1935
    = Phenacodus bisonensis Gazin 1956
Thewissen 1990
Ectocion cf. montanensis (Gidley 1935)
    = Phenacodus matthewi Simpson 1935
Thewissen 1990
Phenacodus grangeri Simpson 1935
Mammalia - Procreodi - Arctocyonidae
Arctocyonidae indet. Murray 1866
    = Lambertocyon eximius Gingerich 1979
Gingerich 1979
from TMM 41365
Claenodon mumak (Van Valen 1978)
    = Arctocyon cf. mumak Van Valen 1978
Winterfeld 1982
synonym of Arctocyon acrogenius
"A. cf. ferox"; i.d. confirmed by Secord 1998
Tricentes truncatus (Cope 1884)
(1 measurement)
    = Chriacus baldwini Cope 1882
Alroy 2002
Mammalia - Primates - Picrodontidae
? Zanycteris sp. Matthew 1917
Mammalia - Primates - Plesiadapidae
Chiromyoides caesor Gingerich 1973
(1 measurement)
    = Chiromyoides potior Gingerich 1975
Gingerich 1976
and some material of "Plesiadapis gidleyi"; TMM 41365 only
    = Chiromyoides sp. Stehlin 1916
Beard et al. 2020
= Chiromyoides sp. A
Plesiadapis gidleyi (Matthew 1917)
(6 measurements)
    = Nannodectes aff. gidleyi Matthew 1917
Gingerich 1976
in part; from TMM 41365, 41366
Mammalia - Primates - Paromomyidae
Phenacolemur frugivorus (Matthew and Granger 1921)
    = Ignacius frugivorus Matthew and Granger 1921
Alroy 2002
Mammalia - Primates - Microsyopidae
Navajovius kohlhaasae Matthew and Granger 1921
(1 measurement)
Mammalia - Multituberculata - Neoplagiaulacidae
Parectypodus sloani Schiebout 1974
Ectypodus musculus Matthew and Granger 1921
(1 measurement)
Mimetodon silberlingi (Simpson 1935)
Mammalia - Multituberculata - Ptilodontidae
Ptilodus mediaevus Cope 1881
Reptilia
Bottosaurus fustidens Cossette 2021
Cossette 2021
TMM 41366- 16
see common names

Geography
Country:United States State/province:Texas County:Brewster
Coordinates: 29.2° North, 103.2° West (view map)
Paleocoordinates:35.1° North, 84.8° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
10 m.y. bin:Cenozoic 1
*Period:Tertiary
Key time interval:Torrejonian
Age range of interval:63.80000 - 60.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Tornillo Formation:Black Peaks
Local section:BPeak Local bed:5
Local order:bottom to top
Stratigraphy comments: 79 - 85 m level of Fm; Torrejonian based on Leslie et al. (2018)
in a reversed zone interpreted as chron C25r based on the position of the Paleocene-Eocene boundary higher in the section, and just above a single Class I site of normal polarity interpreted as C26n
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection size:450 specimens
Reason for describing collection:general faunal/floral analysis
Museum repositories:TMM
Collectors:John A. Wilson Collection dates:1969
Metadata
Also known as:TMM 41366, 41365
Database number:14956
Authorizer:J. Alroy, P. Mannion, K. Beard Enterer:J. Alroy, K. Beard, P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2021-02-17 13:02:32
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
3024. J. A. Schiebout. 1974. Vertebrate paleontology and paleoecology of Paleocene Black Peaks Formation, Big Bend National Park, Texas. Texas Memorial Museum Bulletin 24:1-88 [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
72377 K. C. Beard, M. F. Jones, N. A. Thurber and O. Sanisidro. 2020. Systematics and paleobiology of Chiromyoides (Mammalia, Plesiadapidae) from the upper Paleocene of western North America and western Europe. Journal of Vertebrate Paleontology e1730389:1-22 [K. Beard/K. Beard/P. Mannion]
72054 A. P. Cossette. 2021. A new species of Bottosaurus (Alligatoroidea: Caimaninae) from the Black Peaks Formation (Palaeocene) of Texas indicates an early radiation of North American caimanines. Zoological Journal of the Linnean Society 191(1):276-301 [P. Mannion/P. Mannion/P. Mannion]
1635 P. D. Gingerich. 1976. Cranial Anatomy and Evolution of Early Tertiary Plesiadapidae (Mammalia, Primates). University of Michigan Papers on Paleontology 15:1-141 [J. Alroy/J. Alroy/P. Mannion]
1639 P. D. Gingerich. 1979. Lambertocyon eximius, a New Arctocyonid (Mammalia, Condylarthra) from the Late Paleocene of Western North America. Journal of Paleontology 53(3) [J. Alroy/J. Alroy/J. Ju]
3053 R. M. Schoch. 1986. Systematics, Functional Morphology and Macroevolution of the Extinct Mammalian Order Taeniodonta. Peabody Museum of Natural History Bulletin 42:1-320 [J. Alroy/J. Alroy/M. Uhen]
3401 J. G. M. Thewissen. 1990. Evolution of Paleocene and Eocene Phenacodontidae (Mammalia, Condylarthra). University of Michigan Papers on Paleontology 29:1-107 [J. Alroy/J. Alroy/P. Mannion]
3716 G. F. Winterfeld. 1982. Mammalian paleontology of the Fort Union Formation (Paleocene), eastern Rock Springs Uplift, Sweetwater County, Wyoming. Contributions to Geology, University of Wyoming 21(1):73-112 [J. Alroy/J. Alroy/M. Uhen]