Where: Kinney County, Texas (29.2° N, 100.8° W: paleocoordinates 30.6° N, 69.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Eagle Ford Formation, Early/Lower Turonian (93.5 - 89.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collected by L.W. Stephenson; reposited in the USNM
Primary reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 197701: authorized by Matthew Clapham, entered by Matthew Clapham on 22.11.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
"Hemiaster jacksoni" = Mecaster batnensis
"Hemiaster jacksoni" = Mecaster batnensis Coquand 1862 heart urchin |