Big Pocket: Torrejonian, New Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
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Conoryctinae indet.
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= Conoryctella pattersoni
Schoch and Lucas 1981
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Schoch and Lucas 1981 | |||||||||
Psittacotherium multifragum
Cope 1882
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Mammalia
- Mixodectidae
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Mixodectes malaris
(Cope 1884)
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Mammalia
- Primates
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Palaechthon cf. woodi
Gazin 1971
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Williamson and Lucas 1993 | |||||||||
NMMNH 2635 | ||||||||||
Palaechthon torrejonius
(Kay and Cartmill 1977)
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Van Valen 1994 | |||||||||
included in Plesiolestes nacimienti by Gunnell 1989 | ||||||||||
Mammalia
- Primates
- Palaechthonidae
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? Palaechthon sp.
Gidley 1923
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= Plesiolestes nacimienti n. sp.
Wilson and Szalay 1972
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Gunnell 1989 | |||||||||
Mammalia
- Viverravidae
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Didymictis informal sp. b
Cope 1875
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"n. sp. b" (2 measurements) | ||||||||||
= Protictis minor n. sp.
Meehan and Wilson 2002
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Meehan and Wilson 2002 | |||||||||
Didymictis informal sp. a
Cope 1875
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"n. sp. a" (2 measurements) | ||||||||||
= Protictis simpsoni n. sp.
Meehan and Wilson 2002
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Meehan and Wilson 2002 | |||||||||
Bryanictis paulus n. sp.
Meehan and Wilson 2002
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Meehan and Wilson 2002 | |||||||||
(1 measurement) | ||||||||||
Mammalia
- Periptychidae
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Periptychus carinidens
Cope 1881
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Anisonchus sectorius
(Cope 1881)
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Mammalia
- Acreodi
- Triisodontidae
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Goniacodon levisanus
(Cope 1883)
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Triisodon sp.
Cope 1881
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Mammalia
- Acreodi
- Oxyclaenidae
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Coriphagus encinensis
(Matthew and Granger 1921)
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Deltatherium fundaminis
Cope 1881
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Mammalia
- Phenacodontidae
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Tetraclaenodon puercensis
(Cope 1881)
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NMMNH P-20949 (nearly complete skeleton) (6 measurements) | ||||||||||
Mammalia
- Procreodi
- Arctocyonidae
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Tricentes subtrigonus
(Cope 1881)
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= Mimotricentes subtrigonus
Cope 1881
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Taylor 1981 | |||||||||
recombined as Tricentes subtrigonus | ||||||||||
Chriacus truncatus
Cope 1884
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= Chriacus pelvidens
Cope 1881
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Taylor 1981 | |||||||||
Chriacus pelvidens
(Cope 1881)
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Mammalia
- Pantolestidae
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Pentacodon sp.
Scott 1892
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said to be new | ||||||||||
Mammalia
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? Prodiacodon sp.
Matthew 1929
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= Prodiacodon puercensis
Matthew 1918
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Williamson and Lucas 1993 | |||||||||
original and current combination Diacodon puercensis | ||||||||||
said to be new | ||||||||||
Mammalia
- Condylarthra
- Hyopsodontidae
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Protoselene opisthacus
(Cope 1882)
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Mioclaenus sp.
Cope 1881
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Taylor 1981 | |||||||||
said to be new | ||||||||||
Mioclaenus turgidus
Cope 1881
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Ellipsodon yotankae
Van Valen 1978
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Williamson and Carr 2007 | |||||||||
NMMNH P-30646 | ||||||||||
Ellipsodon sp.
Scott 1892
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= Ellipsodon grangeri n. sp.
Wilson 1956
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Wilson 1956 | |||||||||
Promioclaenus ? lemuroides
(Matthew 1897)
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Promioclaenus acolytus
(Cope 1882)
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Mammalia
- Leptictidae
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Acmeodon cf. secans
Matthew and Granger 1921
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described by Wilson 1985 | ||||||||||
Mammalia
- Proteutheria
- Palaeoryctidae
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Palaeoryctes cf. puercensis
Matthew 1913
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confirmed by Williamson and Lucas 1993 | ||||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Anconodon gidleyi
(Simpson 1935)
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Sloan 1981 | |||||||||
Mammalia
- Multituberculata
- Neoplagiaulacidae
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Ectypodus sp.
Matthew and Granger 1921
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Taylor 1981 | |||||||||
= Parectypodus clemensi n. sp.
Sloan 1981
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Sloan 1981 | |||||||||
recombined as Krauseia clemensi | ||||||||||
in part | ||||||||||
Mimetodon trovessartianus
(Cope 1882)
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= Parectypodus trovessartianus
Cope 1882
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Alroy 2002 | |||||||||
? Ectypodus sp.
Matthew and Granger 1921
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= Ectypodus szalayi
Sloan 1981
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Sloan 1981 | |||||||||
in part | ||||||||||
see common names |
Geography
Country: | United States | State/province: | New Mexico | County: | San Juan |
Coordinates: | 36.6° North, 108.0° West (view map) | ||||
Paleocoordinates: | 43.1° North, 87.9° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | outcrop |
Time
Period: | Paleogene | Epoch: | Paleocene |
10 m.y. bin: | Cenozoic 1 | ||
*Period: | Early/Lower Tertiary | *Epoch: | Early/Lower Paleocene | *Local age/stage: | Torrejonian |
Key time interval: | Torrejonian | ||
Age range of interval: | 63.80000 - 60.90000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Nacimiento | ||||
Local section: | KutzC | Local bed: | 9 | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: from "a zone... three to four feet in thickness... The actual bone layer, not as yet located, may prove to be thinner than this" (Wilson 1951)
not far below the middle of a reversed magnetic polarity zone in the Kutz Canyon section interpreted as C27r based on the position of the K-T boundary in the correlative Barrel Spring Arroyo = De-na-zin Wash section: see Butler et al. 1977, Lucas et al. 1997 |
Lithology and environment
Primary lithology: | concretionary,red siltstone |
Lithology description: "reddish silt" (Wilson 1951) | |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body,concretion |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | surface (float),field collection |
Collection size: | 312 specimens |
Reason for describing collection: | taxonomic analysis |
Taxonomic list comments:UALP localities are at exactly the same level as KUVP 13 but may be at some distance
following taxa listed by Williamson and Lucas may be from Big Pocket or a stratigraphically nearby locality: ? Peradectes sp. "D" Pentacodon inversus Protictis haydenianus "Protictis" sp. "A" Protictis (Protictis) sp. "B" Triisodon quivirensis Ellipsodon inaequidens |
Metadata
Also known as: | Angels Peak; KUVP Loc. 13; Locality NM 13; NMMNH 2635; UALP 7435, 7436, 75144; NMMNH locality L-2635 | ||
Database number: | 14816 | ||
Authorizer: | J. Alroy, P. Mannion | Enterer: | J. Alroy, P. Mannion |
Modifier: | P. Mannion | Research group: | vertebrate |
Created: | 1993-09-27 00:00:00 | Last modified: | 2018-06-08 11:37:05 |
Access level: | the public | Released: | 1993-09-27 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3700. | R. W. Wilson. 1956. A new multituberculate from the Paleocene Torrejon fauna of New Mexico. Transactions of the Kansas Academy of Sciences 59(1):76-84 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
1730 | G. F. Gunnell. 1989. Evolutionary History of Microsyopoidea (Mammalia, ?Primates) and the Relationship Between Plesiadapiformes and Primates. University of Michigan Papers on Paleontology 27:1-157 [J. Alroy/J. Alroy/P. Mannion] | |
45973 | P. E. Kondrashov and S. G. Lucas. 2012. Nearly Complete Skeleton of Tetraclaenodon (Mammalia, Phenacodontidae) from the Early Paleocene of New Mexico: Morpho-Functional Analysis. Journal of Paleontology 86(1):25-43 [P. Mannion/P. Mannion] | |
2319 | S. G. Lucas, T. E. Williamson, and M. D. Middleton. 1997. Catopsalis (Mammalia: Multituberculata) from the Paleocene of New Mexico and Utah: taxonomy and biochronological significance. Journal of Paleontology 71(3):484-492. [J. Alroy/J. Alroy/K. Maguire] | |
7533 | T. J. Meehan and R. W. Wilson. 2002. New viverravids from the Torrejonian (Middle Paleocene) of Kutz Canyon, New Mexico and the oldest skull of the order Carnivora. Journal of Paleontology 76(6):1091-1101 [J. Alroy/J. Alroy/J. Alroy] | |
3058 | R. M. Schoch and S. G. Lucas. 1981. A new species of Conoryctella (Mammalia: Taeniodonta) from the Paleocene of the San Juan Basin, New Mexico, and a revision of the genus. Postilla 185:1-23 [J. Alroy/J. Alroy/J. Ju] | |
3195 | R. E. Sloan. 1981. Systematics of Paleocene multituberculates from the San Juan Basin, NewMexico. In S. G. Lucas, J. K. Rigby Jr., B. S. Kues (eds.), Advances in San Juan Basin Paleontology 127-160 [J. Alroy/J. Alroy/M. Uhen] | |
3375 | L. H. Taylor. 1981. The Kutz Canyon Local Fauna, Torrejonian (Middle Paleocene) of the San Juan Basin, New Mexico;. In S. G. Lucas, J. K. Rigby Jr., B. S. Kues (eds.), Advances in San Juan Basin Paleontology 242-263 [J. Alroy/J. Alroy/M. Uhen] | |
3469 | C. Tsentas. 1981. Mammalian biostratigraphy of the middle Paleocene (Torrejonian) strata of the San Juan Basin: notes on Torreon Wash and the status of the Pantolambda and Deltatherium faunal "zones" Deltatherium faunal "zones". In S. G. Lucas, J. K. Rigby Jr., B. S. Kues (eds.), Advances in San Juan Basin Paleontology 264-292 [J. Alroy/J. Alroy/M. Uhen] | |
3488 | L. M. Van Valen. 1994. The origin of the plesiadapid primates and the nature of Purgatorius. Evolutionary Monographs 15:1-79 [J. Alroy/J. Alroy/P. Mannion] | |
42804 | T. Williamson and T. Carr. 2007. Bomburia and Ellipsodon (Mammalia: Mioclaenidae) from the Early Paleocene of New Mexico. Journal of Paleontology 81:966-985 [T. Williamson/T. Williamson/P. Mannion] | |
3649 | T. E. Williamson and S. G. Lucas. 1993. Paleocene vertebrate paleontology of the San Juan Basin, New Mexico. New Mexico Museum of Natural History Bulletin 2:105-136 [J. Alroy/J. Alroy/M. Uhen] | |
3701 | R. W. Wilson. 1956. The condylarth genus Ellipsodon. University of Kansas Publications, Museum of Natural History 9(5):105-116 [J. Alroy/J. Alroy/J. Alroy] | |
3702 | R. W. Wilson. 1956. Additional remains of the multituberculate genus Eucosmodon. University of Kansas Publications, Museum of Natural History 9(6):117-123 [J. Alroy/J. Alroy/J. Alroy] |