Quarry west of Mexia: Danian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Decapoda - Retroplumidae
Costacopluma texana n. sp. Armstrong et al. 2009
Malacostraca - Decapoda - Palaeoxanthopsidae
Paraverrucoides alabamensis (Rathbun 1935)
Malacostraca - Decapoda - Mathildellidae
Tehuacana americana (Rathbun 1935)
Malacostraca - Decapoda - Pinnotheridae
Viapinnixa mexiaensis n. sp. Armstrong et al. 2009
Malacostraca - Decapoda - Feldmanniidae
Caloxanthus sp. Milne-Edwards 1864
Malacostraca - Decapoda
Prehepatus sp. Bishop 1985
Malacostraca - Decapoda - Goniodromitidae
Pithonoton cardwelli n. sp. Armstrong et al. 2009
Malacostraca - Decapoda - Dromiidae
Kierionopsis nodosa Davidson 1966
Malacostraca - Decapoda - Raninidae
Raninoides bournei (Rathbun 1928)
Raninoides treldenaesensis (Collins and Jakobsen 2003)
Malacostraca - Decapoda
Paguroidea indet. Latreille 1802
Malacostraca - Decapoda - Palinuridae
Linuparus cf. wilcoxensis Rathbun 1935
Malacostraca - Decapoda - Nephropidae
Hoploparia sp. Karasawa 1998
Macroacaena johnsoni (Rathbun 1935)
see common names

Geography
Country:United States State/province:Texas
Coordinates: 31.7° North, 96.6° West (view map)
Paleocoordinates:36.4° North, 76.8° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Paleogene Epoch: Paleocene
Stage: Danian 10 m.y. bin: Cenozoic 1
Key time interval: Danian
Age range of interval: 66 - 61.6 m.y. ago
Stratigraphy
Geological group:Midway Formation:Wills Point Member:Mexia Clay
Stratigraphic resolution:group of beds
Stratigraphy comments: Decapods from the basal Mexia Clay member at the study quarry
Lithology and environment
Primary lithology:concretionary claystone
Includes fossils?Y
Lithology description: Siltstone/claystone lenses with abundant yellow, brown, and black calcareous nodules that preserve the fossil decapods
Environment:marine indet.
Taphonomy
Modes of preservation:body,concretion
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Collection method comments: Repository: Texas Natural Science Center, Austin (previously Paleontological Collection of the Bureau of Economic Geology, University of Texas), under acronym NPL, and Museu de Geologia del Seminari de Barcelona, under acronym MGSB
Metadata
Database number:207141
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Clapham Research group:decapod
Created:2019-12-30 15:39:31 Last modified:2022-07-09 11:18:43
Access level:the public Released:2019-12-30 15:39:31
Creative Commons license:CC BY
Reference information

Primary reference:
39196.decapod A. Armstrong, T. Nyborg, G. A. Bishop Ossó-Morales and F. J. Vega. 2009. Decapod crustaceans from the Paleocene of Central Texas, USA. Revista Mexicana de Ciencias Geológicas 26(3):745-763 [C. Schweitzer/C. Schweitzer/M. Clapham]