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
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 | |
Nodosariata | |
Bivalvia | |
"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 | |
Gryphaea washitaensis oyster | |
Plicatula dentonensis scallop | |
"Pecten (Neithea) texanus" = Camptonectes virgatus
"Pecten (Neithea) texanus" = Camptonectes virgatus Nilsson 1827 scallop | |
Stenolaemata | |
Stomatopora sp. Bronn 1825 | |
Ceriopora sp. Goldfuss 1826 | |
Homeosolen sp. Lonsdale 1850 | |
Gymnolaemata | |
Aplousina sp. Canu and Bassler 1927 | |
Ostracoda | |
Cytherella comanchensis ostracod | |
Cythereis dentonensis ostracod
Cythereis hawleyi ostracod | |
Cytheropteron rugosalatum ostracod | |
Paracypris alta ostracod | |
Echinoidea | |
"Cidaris (Stereocidaris) hemigranosus" = Leiocidaris hemigranosus
"Cidaris (Stereocidaris) hemigranosus" = Leiocidaris hemigranosus Shumard 1860 pencil urchin |