Submitted by: David Thompson
Taxon: Dolatocrinus asterias, Platyceras bucculentum
Submit date: 2007-02-12
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Traverse Formation
Age: Erian (Middle Devonian)
Submitter notes: This view is of the top view of the crinoid showing the position of the Platyceras in relation to the anal opening & arms. This is from the Alpena Limestone but is from a bioherm in the formation where more crinoids are found. a dime is for scale.