Worms, Tubes, & Sticks

fossil evolution class fossils origin evolutionary echinoderm echinoderms crinoid crinoids crinoidea
Origin of the Class Crinoidea
These are my personal notes taken during a geology presentation. I give them here because they may be of some interest. Do not expect the notes to always be in complete sentences, etc....
Photo by James St. John on Flickr
fossil fossils crinoid crinoids crinoidea stem stems ordovician kentucky kope formation eden edenian stage cincinnatian series
Crinoid stems (Kope Formation, Upper Ordovician; Rt. 9 roadcut near Alexandria, Kentucky, USA)
Fossil crinoid stems from the Ordovician of Kentucky Crinoids (sea lilies) are sessile, benthic, filter-feeding, stalked echinoderms that are relatively common in the marine fossil record. Crinoids are also a living...
Photo by James St. John on Flickr
shells white nature washington worms eelgrass whatcomecounty larrabeesp
eel grass withlittle residents
very small tube worms? stuck to the blade
Photo by Upupa4me on Flickr