Locality 5, NE of Sanger, Denton County, Denton Biostrome, Biofacies A (Cretaceous of the United States)

Where: Denton County, Texas (33.4° N, 97.2° W: paleocoordinates 30.6° N, 59.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Denton Formation (Washita Group), Late/Upper Albian (105.3 - 99.6 Ma)

• Biofacies A; oyster biostrome at the top of the Denton Fm, Washita Group, Comanche Series

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone and lithified shale

• probably shallow neritic, normal marine salinity
• lower beds: limestone, upper beds: shale

Size class: macrofossils

Primary reference: L. R. Laughbaum. 1960. A Paleoecologic Study of the Upper Denton Formation, Tarrant, Denton, and Cooke Counties, Texas. Journal of Paleontology 34(6):1183-1197 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 65725: authorized by Martin Aberhan, entered by Sabine Nürnberg on 25.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Lituolida - Lituolidae
Nodosariata
 Vaginulinida - Vaginulinidae
Bivalvia
 Ostreida - Ostreidae
"Ostrea (Lopha) quadriplicata" = Peilinia quadriplicata, "Ostrea (Arctostrea) carinata" = Rastellum carinatum
"Ostrea (Lopha) quadriplicata" = Peilinia quadriplicata Kues 1997 oyster
"Ostrea (Arctostrea) carinata" = Rastellum carinatum Lamarck 1806 oyster
 Ostreida - Gryphaeidae
 Pectinida - Plicatulidae
 Pectinida - Pectinoidae
"Pecten (Neithea) texanus" = Camptonectes virgatus
"Pecten (Neithea) texanus" = Camptonectes virgatus Nilsson 1827 scallop
Stenolaemata
 Cyclostomata - Stomatoporidae
Stomatopora sp. Bronn 1825
 Cyclostomata - Cerioporidae
Ceriopora sp. Goldfuss 1826
 Cyclostomata - Heteroporidae
 Cyclostomata - Corymboporidae
 Cyclostomata -
Homeosolen sp. Lonsdale 1850
Gymnolaemata
 Cheilostomata - Calloporidae
Aplousina sp. Canu and Bassler 1927
Ostracoda
 Platycopida - Cytherellidae
 Podocopida - Trachyleberididae
 Podocopida - Cytheruridae
 Podocopida - Candonidae
Echinoidea
 Cidaroida - Cidaridae
"Cidaris (Stereocidaris) hemigranosus" = Leiocidaris hemigranosus
"Cidaris (Stereocidaris) hemigranosus" = Leiocidaris hemigranosus Shumard 1860 pencil urchin