Sevilleta Grant, near La Joya: Middle Turonian, New Mexico
collected by B. Baker 1981
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Odontoaspis parvidens
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Rhnobatos sp.
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Reptilia
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Dinosauria indet.
(Owen 1842)
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Hunt and Lucas 1993 | |||||||||
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Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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| armor, teeth | ||||||||||
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Reptilia
- Plesiosauria
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Plesiosauria indet.
de Blainville 1835
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2 specimens | |||||||||
| teeth | ||||||||||
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Reptilia
- Testudines
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Testudines indet.
Batsch 1788
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Chondrichthyes
- Batoidea
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"Batoidea" indet.
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Chondrichthyes
- Rajiformes
- Ptychotrygonidae
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Ptychotrygon triangularis
(Reuss 1845)
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Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Ischyrhiza mira
Leidy 1856
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Ischyrhiza avonicola
Estes 1964
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Chondrichthyes
- Orectolobiformes
- Hemiscylliidae
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Chiloscyllium greeni
(Cappetta 1973)
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Chondrichthyes
- Lamniformes
- Mitsukurinidae
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Scapanorhynchus raphiodon
(Agassiz 1843)
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| recombined as Lamna raphiodon | ||||||||||
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Anomotodon sp.
Arambourg 1952
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Chondrichthyes
- Lamniformes
- Pseudoscapanorhynchidae
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Cretodus semiplicatus
(Agassiz 1843)
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Chondrichthyes
- Lamniformes
- Archaeolamnidae
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Plicatolamna arcuata
(Woodward 1894)
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| synonym of Archaeolamna kopingensis | ||||||||||
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Chondrichthyes
- Lamniformes
- Alopiidae
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Paranomotodon sp.
Herman 1975
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Chondrichthyes
- Lamniformes
- Otodontidae
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Cretolamna appendiculata
(Agassiz 1835)
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| recombined as Cretalamna appendiculata | ||||||||||
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Chondrichthyes
- Lamniformes
- Anacoracidae
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Squalicorax falcatus
(Agassiz 1843)
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Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodus sp.
Agassiz 1834
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Chondrichthyes
- Hybodontiformes
- Ptychodontidae
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Ptychodus anonymus
Williston 1900
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Ptychodus whipplei
Marcou 1858
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Ptychodus polygyrus
Agassiz 1835
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unclassified
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Mollusca indet.
Linnaeus 1758
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Socorro |
| Coordinates: | 34.3° North, 106.7° West (view map) | ||||
| Paleocoordinates: | 36.8° North, 73.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Middle Turonian | ||
| Age range of interval: | 93.90000 - 89.80000 m.y. ago |
Stratigraphy
| Formation: | Tres Hermanos | Member: | Atarque Sandstone | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: from the middle part of the Atarque Sandstone Mbr. | |||||
Lithology and environment
| Primary lithology: | lenticular,fine,yellow calcareous sandstone |
| Secondary lithology: | "shale" |
| Includes fossils? | Y |
| Lithology description: "a series of fossil-rich lenses in sandstones...The middle Atarque consists of yellow-orange, fine-grained, thinly bedded, calcareous sandstone with shale partings" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | concentrated |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | good |
| Fragmentation: | occasional |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | bulk,chemical,acetic,sieve,field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | B. Baker | Collection dates: | 1981 |
| Collection method comments: in collection of the New Mexico Bureau of Mines & Mineral Resources (NMBMMR) | |||
Metadata
| Database number: | 179267 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2016-06-09 09:24:39 | Last modified: | 2022-05-10 03:14:31 |
| Access level: | the public | Released: | 2016-06-09 09:24:39 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 59349. | D. L. Wolberg. 1985. Selachians from the Late Cretaceous (Turonian) Atarque Sandstone Member, Tres Hermanos Formation, Sevilleta Grant, Socorro County, New Mexico. New Mexico Geology 7(1):1-7 [M. Carrano/M. Carrano] |
Secondary references:
| 1965 | A. P. Hunt and S. G. Lucas. 1993. Cretaceous vertebrates of New Mexico. New Mexico Museum of Natural History and Science Bulletin 2:77-91 [J. Alroy/J. Alroy/M. Carrano] | |
| 13936 | ETE | S. G. Lucas, A. P. Hunt, and R. Pence. 1988. Some Late Cretaceous reptiles from New Mexico. In D. L. Wolberg (ed.), Contributions to Late Cretaceous paleontology and stratigraphy of New Mexico. Part III. New Mexico Bureau of Mines & Mineral Resources Bulletin 122:49-60 [M. Carrano/K. Maguire/M. Carrano] |