Where: McLennan County, Texas (31.6° N, 97.2° W: paleocoordinates 30.0° N, 62.3° W)
• coordinate based on political unit
• hand sample-level geographic resolution
When: Del Rio Formation (Washita Group), Early/Lower Cenomanian (99.6 - 93.5 Ma)
• formation-level stratigraphic resolution
Environment/lithology: offshore shelf; poorly lithified claystone
Size classes: macrofossils, mesofossils
Preservation: replaced with pyrite
Collection methods: mechanical,
Primary reference: D. B. Blake and R. Reid. 1998. Some Albian (Cretaceous) asteroids (Echinodermata) from Texas and their paleobiological implications. Journal of Paleontology 72(3):512-532 [L. Villier/L. Villier]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 59883: authorized by Loic Villier, entered by Loic Villier on 19.04.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Asteroidea | |
Crateraster sp. Spencer 1913 sea star | |
Betelgeusia reidi n. gen. n. sp.
Betelgeusia reidi n. gen. n. sp. Blake and Reid 1998 sea star | |
Alkaidia sumralli n. gen. n. sp.
Alkaidia sumralli n. gen. n. sp. Blake and Reid 1998 sea star |