Hogback South D: Late/Upper Campanian, New Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Anguidae
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Anguidae indet.
Gray 1825
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4 specimens | |||||||||
| osteoscutes, 4 complete and 50 fragments | ||||||||||
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cf. Gerrhonotus sp.
Wiegmann 1828
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2 specimens | |||||||||
| fragment of dentaries | ||||||||||
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= Odaxosaurus sp.
Gilmore 1928
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Woolley et al. 2020 | |||||||||
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Amphibia
- Temnospondyli
- Albanerpetontidae
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Leptochamops denticulatus
(Gilmore 1928)
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6 specimens | |||||||||
| dentary and maxillary fragments | ||||||||||
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= Albanerpetontidae indet.
Fox and Naylor 1982
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Woolley et al. 2020 | |||||||||
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Amphibia
- Temnospondyli
- Batrachosauroididae
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Prodesmodon ? copei
Estes 1964
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9 specimens | |||||||||
| premaxillary, maxillary and dentary fragments, some vertebra | ||||||||||
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Cuttysarkus mcnallyi
Estes 1964
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5 specimens | |||||||||
| synonym of Prodesmodon copei | ||||||||||
| dentaries (whole and fragments) | ||||||||||
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Opisthotriton kayi
Auffenberg 1961
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6 specimens | |||||||||
| vertebral fragments, fragment of right dentary | ||||||||||
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Amphibia
- Temnospondyli
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Anura indet.
(Fischer von Waldheim 1813)
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Gardner et al. 2016 | |||||||||
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Amphibia
- Temnospondyli
- Pelobatidae
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? Eopelobates sp.
Parker 1929
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1 specimen | |||||||||
| fragmentary posterior portion of a left maxilla, UALP 75137-A | ||||||||||
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Actinopteri
- Sciaenidae
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Platacodon nanus
Marsh 1889
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | San Juan |
| Coordinates: | 36.3° North, 108.2° West (view map) | ||||
| Paleocoordinates: | 43.6° North, 79.6° West | ||||
| Basis of coordinate: | stated in text | ||||
| Altitude: | 1828 meters | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late/Upper Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | Fruitland |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | medium carbonaceous siltstone |
| Secondary lithology: | sandstone |
| Lithology description: fossiliferous siltstone, light tan, poorly sorted, with a few lignite fragments. The locality is the surface of a round knob, underlain by a white concretionary sandstone, about 4.5 m thick that overlies a thick black carbonaceous, ralatively continuous siltstone. | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: These data, reported by Armstrong-Ziegler, were actually collected by another group. The specifics of fossil prep for this collection are not reported. | |
Metadata
| Also known as: | UALP 75137 | ||
| Database number: | 36543 | ||
| Authorizer: | J. Alroy, P. Mannion, P. Holroyd | Enterer: | E. Leckey, P. Holroyd, P. Mannion |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Subset of collection #: | 36449 | ||
| Created: | 2004-02-03 09:45:19 | Last modified: | 2023-07-14 14:04:07 |
| Access level: | the public | Released: | 2004-02-03 09:45:19 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 9765. | J. G. Armstrong-Ziegler. 1978. An aniliid snake and associated vertebrates from the Campanian of New Mexico. Journal of Paleontology 52(2):480-483 [J. Alroy/E. Leckey/E. Leckey] |
Secondary references:
| 9776 | J. G. Armstrong-Ziegler. 1980. Amphibia and Reptilia from the Campanian of New Mexico. Fieldiana 4:1-39 [J. Alroy/E. Leckey/E. Leckey] | |
| 64015 | J. D. Gardner, C. M. Redman, and R. L. Cifelli. 2016. The hopping dead: Late Cretaceous frogs from the middle-late Campanian (Judithian) of western North America. Fossil Imprint 72(1-2):78-107 [P. Holroyd/P. Holroyd/M. Carrano] | |
| 72177 | C. H. Woolley, N. D. Smith, and J. J. W. Sertich. 2020. New fossil lizard specimens from a poorly-known squamate assemblage in the Upper Cretaceous (Campanian) San Juan Basin, New Mexico, USA. PeerJ 8:e8846:1-30 [P. Mannion/P. Mannion] |