Round Rock (Cretaceous of the United States)

Where: Williamson County, Texas (30.5° N, 97.7° W: paleocoordinates 28.1° N, 58.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Edwards Limestone Formation (Fredericksburg Group), Middle Albian (109.0 - 105.3 Ma)

• probably Edwards Limestone

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: J. W. Wells. 1933. Corals of the Cretaceous of the Atlantic and Gulf Coastal Plains and Western Interior of the United States. Bulletins of American Paleontology 18(67):85-288 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123338: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.01.2012, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Actinastreidae
"Astrocoenia guadalupae" = Actinastrea guadalupae
"Astrocoenia guadalupae" = Actinastrea guadalupae Roemer 1849 stony coral
Echinoidea
 Arbacioida - Arbaciidae
Goniopygus zitteli Clark 1891 sea urchin