Crinoid

Solanocrinites sp.

• Cretaceous
• Glen Rose Formation
• Salamander Cave, Boerne, Kendall County, Texas, USA

Size: 10 cm across the piece

These are unusual comatulid crinoids a.k.a. "feather stars". Comatulids are stemless free-swimming crinoids which arose in the post-Paleozoic, and are the predominant type of crinoid alive today.