Fort Worth, Cretaceous (Cretaceous to of the United States)
Where: Tarrant County, Texas (32.7° N, 97.3° W: paleocoordinates 30.4° N, 61.3° W)
• coordinate based on political unit
When: Washita Group, Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)
• Comanche series
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Primary reference: W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341 [L. Villier/J. Millet/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 203428: authorized by Mark Uhen, entered by Mark Uhen on 15.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Echinoidea | |
|
Hemiaster elegans Shumard 1853 heart urchin | |
Leptarbacia argutus n. sp.
Leptarbacia argutus n. sp. Clark and Twitchell 1915 sea urchin | |