Table Top Mountain, 40 (Arroyo Formation): Kungurian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli - Trimerorhachidae
1 specimen
entered as "Trimerorachis"
Amphibia - Temnospondyli - Eryopidae
2 specimens
Amphibia - Diplocaulidae
8 specimens
Platyops sp. Williston 1918
6 specimens
Reptilia - Captorhinidae
2 specimens
Ophiacodontidae
1 specimen
2 specimens
Diadectidae
Diadectes sp. Cope 1878
2 specimens
Seymouriidae
1 specimen
see common names

Geography
Country:United States State/province:Texas County:Baylor
Coordinates: 33.6° North, 99.3° West (view map)
Paleocoordinates:1.6° North, 29.1° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period: Permian Epoch: Cisuralian
Stage: Kungurian 10 m.y. bin: Permian 2
*Period:Early/Lower Permian - Early/Lower Permian *Epoch:Rotliegendes
Key time interval: Kungurian
Age range of interval: 283.3 - 274.4 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Clear Fork Formation:Arroyo
Stratigraphic resolution:group of beds
Stratigraphy comments: "The beds perhaps average 200 feet above the Lueders" Limestone. Details for Faunal Zone 4 of Romer 1928: "The vertebrate remains are confined to approximately the lowest 250 feet or so of the Clear Fork.."
the base and top of the Clear Fork Group (i.e., Arroyo, Vale, and Choza formations) are both within the Kungurian: see Wardlaw 2005 (Permophiles) for the base, and DiMichele et al. 2001 (J Paleont) for the top
Lithology and environment
Primary lithology:red claystone
Secondary lithology: conglomeratic sandstone
Includes fossils?Y
Lithology description: "red beds... red clays, with small amounts of sandstone and conglomerates."
Environment:terrestrial indet.
Geology comments: "A remnant of a former peneplain.."
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: Romer (1928) paper is a review of vertebrates from the Texas red-beds with previously unreported (or undetailed) localities.
Metadata
Also known as:Locality 40 (Romer 1928), Table Top Mt., faunal Zone 4, Lower Clear Fork Group, Texas red-beds, redbeds
Database number:28272
Authorizer:J. Alroy Enterer:R. Whatley
Modifier:J. Alroy Research group:vertebrate
Created:2003-02-03 15:33:13 Last modified:2025-02-22 15:12:02
Access level:the public Released:2003-02-03 15:33:13
Creative Commons license:CC0
Reference information

Primary reference:
7693.5% 49780A. S. Romer. 1928. Vertebrate faunal horizons in the Texas Permo-Carboniferous red beds. University of Texas Bulletin 2801:67-108 [J. Alroy/R. Whatley/W. Clyde]