Where: Travis County, Texas (30.3° N, 97.8° W: paleocoordinates 28.9° N, 63.2° 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)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore shelf; poorly lithified claystone
Size classes: macrofossils, mesofossils
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 59882: authorized by Loic Villier, entered by Loic Villier on 19.04.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Asteroidea | |
Alkaidia sumralli n. gen. n. sp.
Alkaidia sumralli n. gen. n. sp. Blake and Reid 1998 sea star |