Pleasant Valley Crossing, Blanco River: Early/Lower Albian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Scleractinia - Aulastraeoporidae
Blothrocyathus harrisi n. gen., n. sp. Wells 1932
recombined as Aulastraeopora harrisi
Anthozoa - Scleractinia - Comoseriidae
Polyphyllastraea simondsi n. sp. Wells 1932
synonym of Polyphylloseris icaunensis
Anthozoa - Scleractinia - Caryophylliidae
Tiarasmilia casteri n. gen., n. sp. Wells 1932
Anthozoa - Scleractinia - Oulastreidae
? Cyathomorpha damoni n. sp. Wells 1932
Anthozoa - Scleractinia - Thamnasteriidae
Centrastrea vaughani Wells 1932
recombined as Mesomorpha vaughani
Anthozoa - Scleractinia - Montlivaltiidae
Isastrea whitneyi Wells 1932
? Thecosmilia sp. Milne-Edwards and Haime 1848
Anthozoa - Scleractinia - Merulinidae
? Aplosmilia tolmachoffana Wells 1932
recombined as Phacellocoenia tolmachoffana
? Hydnophora blancoensis n. sp. Wells 1932
synonym of Hydnophora styriaca
Anthozoa - Scleractinia - Eugyridae
Eugyra cuyleri n. sp. Wells 1932
Anthozoa - Scleractinia - Astrocoeniidae
Astrocoenia scyphoidea n. sp. Wells 1932
Anthozoa - Scleractinia - Actinastreidae
Astrocoenia whitneyi n. sp. Wells 1932
recombined as Stelidioseris whitneyi
Anthozoa - Scleractinia - Cyathophoridae
Cyathophora haysensis n. sp. Wells 1932
Anthozoa - Scleractinia - Agariciidae
Dimorpharaea cf. barcenai (Felix 1891)
recombined as Morphastrea barcenai
Anthozoa - Scleractinia - Haplaraeidae
Meandraraea plummeri n. sp. Wells 1932
Meandraraea cf. tulae (Felix 1891)
Anthozoa - Scleractinia - Siderastreidae
Siderofungia irregularis Felix 1891
Anthozoa - Scleractinia - Microsolenidae
Microsolena texana n. sp. Wells 1932
Anthozoa - Scleractinia - Latomeandridae
? Complexastrea glenrosensis n. sp. Wells 1932
synonym of Thamnoseris morchella
Orbicella whitneyi Wells 1932
recombined as Latiastrea whitneyi
Anthozoa - Helioporacea
Epiphaxum labyrinthicum n. sp. Wells 1932
see common names

Geography
Country:United States State/province:Texas County:Hays
Coordinates: 30.0° North, 98.2° West (view map)
Paleocoordinates:27.8° North, 56.6° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Albian 10 m.y. bin:Cretaceous 4
Key time interval:Early/Lower Albian
Age range of interval:113.00000 - 109.90000 m.y. ago
Stratigraphy
Geological group:Trinity Formation:Glen Rose Limestone
Stratigraphic resolution:group of beds
Stratigraphy comments: The Glen Rose formation spans through four ammonite zones with ages between latest Aptian and early Albian. Young 1974 suggested the Kasanskyella spathi ammonite zone is latest aptian, the Hypacanthoplites cragini zone is earliest Albian, the Douvilleiceras mammillatum and Hypacanthoplites comalensis zones are early Albian and may extend into the middle Albian. The Salenia texana Zone and Corbula bed fall within the mammillatum zone. The benthic foraminifera Orbitolina texana also suggests a late aptian - early albian age and is found in basal levels and in the upper member (Stricklin et al. 1971). Scott et al. (2007) estimated that the age of the Glen Rose Formation ranges from 113.3 to 108.0 Ma.
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: coral-caprinid reef
Environment:reef, buildup or bioherm
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Reef 3621
Database number:74763
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:G. Varnham Research group:marine invertebrate
Created:2007-08-29 01:20:08 Last modified:2022-03-23 05:28:30
Access level:the public Released:2007-08-29 01:20:08
Creative Commons license:CC BY
Reference information

Primary reference:
25181. J. W. Wells. 1932. Corals of the Trinity Group of the Comanchean of central Texas. Journal of Paleontology 6(3):225-256 [W. Kiessling/U. Merkel]