Sea biscuit (Rhyncholampas carolinensis)
Bob Campbell Geology Museum Formation: Santee Limestone; Donated: Janice Lay.
Enallaster texanus, complete test
Bob Campbell Geology Museum Formation: Fredericksburg Formation; Goodland Ls. Mbr.
Dendraster gibsii, 7 isolated tests and one cluster of 4
Bob Campbell Geology Museum Formation: Etchegoin Formation.
Phymosoma texanum, complete test
Bob Campbell Geology Museum Formation: Fredericksburg Formation; Goodland Ls.
Sea urchin (Cidaridae), miscellaneous spines
Bob Campbell Geology Museum Formation: Santee Limestone.
Wythella eldridgei, echinoid test embedded in limestone
Bob Campbell Geology Museum Formation: Ocala Limestone.