TMM 43072: Middle Campanian, Texas
collected by T. M. Lehman, W. Langston, E. Yarmer, R. Rainey 1987
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Lamniformes
- Mitsukurinidae
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Scapanorhynchus texanus
(Roemer 1852)
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Reptilia
- Testudines
- Protostegidae
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Terlinguachelys fischbecki n. gen., n. sp.
Lehman and Tomlinson 2004
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(1 measurement) | ||||||||||
unclassified
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Ophiomorpha sp.
Lundgren 1891
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see common names |
Geography
Country: | United States | State/province: | Texas | County: | Brewster |
Coordinates: | 29.2° North, 103.6° West (view map) | ||||
Paleocoordinates: | 35.7° North, 77.1° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Middle Campanian | ||
Age range of interval: | 83.50000 - 70.60000 m.y. ago |
Stratigraphy
Formation: | Aguja | Member: | Rattlesnake Canyon | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: "near the top of the Rattlesnake Mountain member of the Aguja Formation... about 12 m above the base of this unit" at this locality unit is "middle Campanian" based on bivalves and ammonites |
Lithology and environment
Primary lithology: | burrows,very fine sandstone |
Lithology description: "matrix of the specimen consists of crudely bedded very fine sandstone with Ophiomorpha burrows"; lithification unclear | |
Environment: | shoreface |
Geology comments: "middle and upper shoreface deposits that accumulated during landward retreat of a barrier island comlex" |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | excellent |
Associated major elements: | some |
Spatial resolution: | autochthonous |
Collection methods and comments
Collection methods: | selective quarrying,surface (float),field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | TMM | ||
Collectors: | T. M. Lehman, W. Langston, E. Yarmer, R. Rainey | Collection dates: | 1987 |
Collection method comments: mostly excavated, but parts were collected as surface float | |||
Taxonomic list comments:bivalves from "these sediments" are listed but apparently are not from this exact horizon |
Metadata
Also known as: | East of Santa Elena Canyon | ||
Database number: | 90466 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
Created: | 2009-07-28 16:28:02 | Last modified: | 2009-07-28 19:28:02 |
Access level: | the public | Released: | 2009-07-28 16:28:02 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
30428. | T. M. Lehman and S. L. Tomlinson. 2004. Terlinguachelys fischbecki, a new genus and species of sea turtle (Chelonioidea: Protostegidae) from the Upper Cretaceous of Texas. Journal of Paleontology 78(6):1163-1178 [J. Alroy/J. Alroy/J. Alroy] |