Ordovician marine life

Uploaded: Jan. 15, 2014, 2:34 p.m. | Modified: June 20, 2019, 11:56 a.m. | Albums: Colorado Geology Vignettes
This is scene an excerpt from the "Colorado Geology: Ordovcian-Silurian" video (in progress). Marine life during the Ordovician is shown here including, crinoids, trilobites, and nautiloids.

Animation is by Leo Ascarrunz and Jay Austin.

Interactive Geology Project, University of Colorado-Boulder. igp.colorado.edu

Geologic age: 450Ma