Instead, things like ammonites or corals are the most common fossils; and of course, crinoids are a coveted find. Crinoids are often referred to as “sea lilies” even though they’re ...

While similar corals and crinoids have existed throughout fossil record, their symbiotic link was presumed lost after the Paleozoic era. A crinoid creature can be seen with the globular non ...

Burlington's famous fossil may soon get statewide recognition if the Legislature approves a proposal by Democrats to put the crinoid on par with Iowa's goldfinch, rose, geode and oak tree.

But drifting crinoid communities represent the earliest example of rafters in the fossil record, says Aaron Hunter, an evolutionary paleoecologist at the University of Cambridge in England.

They want to recognize the fossils of crinoids, which are marine invertebrates abundant in the rock of marine origin underlying the state, as the state's official fossil. The lawmakers ...