Ten Bits Ranch, north of Study Butte: Middle Campanian - Late/Upper Campanian, Texas
collected 2005

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Chupacabrachelys complexus n. gen., n. sp. Lehman and Wick 2010
TMM 45606–1 - holotype - skull, lower jaw, a nearly complete shell (missing anterior end of nuchal and first through third peripherals on the right side), atlas and parts of three cervical vertebrae, first through fifth thoracic vertebrae, 10 caudal vertebrae, both scapulae and coracoids, right humerus, both ulnae, right radius, three metacarpals, both innominates, six metatarsals, right astragalus, seven phalanges (limb and position uncertain), and eight ungual phalanges
Reptilia - Caenagnathidae
Caenagnathidae indet. Sternberg 1940
Wick et al. 2023
TxVP 45908-6
see common names

Geography
Country:United States State/province:Texas County:Brewster
Coordinates: 29.4° North, 103.5° West (view map)
Paleocoordinates:35.9° North, 77.0° West
Basis of coordinate:based on nearby landmark
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Middle Campanian - Late/Upper Campanian
Age range of interval:83.50000 - 70.60000 m.y. ago
Stratigraphy
Formation:Aguja Member:Upper Shale
Stratigraphic resolution:group of beds
Stratigraphy comments: base of the upper shale member, about 1 m above the top of the Terlingua Creek sandstone
Lithology and environment
Primary lithology:"cross stratification",very fine carbonaceous sandstone
Includes fossils?Y
Lithology description: Very fine-grained cross-laminated sandstone bed with thin discontinuous layers of carbonaceous clay
Environment:coastal indet.
Geology comments: coastal environment - brackish water habitat
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:TMM
Collection dates:2005
Metadata
Also known as:Chupacabrachelys complexus type, TMM 45606
Database number:115413
Authorizer:P. Mannion Enterer:P. Mannion
Modifier:P. Mannion
Created:2011-09-02 00:01:11 Last modified:2023-11-17 10:50:50
Access level:the public Released:2011-09-02 00:01:11
Creative Commons license:CC BY
Reference information

Primary reference:

37368. T. M. Lehman and S. L. Wick. 2010. Chupacabrachelys complexus, n. gen. n. sp. (Testudines: Bothremydidae), from the Aguja Formation (Campanian) of West Texas. Journal of Vertebrate Paleontology 30(6):1709-1725 [P. Mannion/P. Mannion]

Secondary references:

82039 S. L. Wick, T. M. Lehman, and J. D. Fortner. 2023. New caenagnathid (Theropoda: Oviraptorosauria) dinosaur specimens from middle and upper Campanian strata of West Texas. Geobios [M. Carrano/M. Carrano/P. Mannion]