Illinois blastoids
Mississippian blastoids (Pentremites sp.) from the Ridenhower Fm, Upper Paint Creek Group, near Milstadt, Illinois. The larger blastoid is 12.0mm tall.
The brachiopod is Spiriferina spinosa (Norwood & Pratten). Notice the net-like bryozoans on the matrix.
This image is best viewed by clicking on the "options" button on the upper right of this page => "view all sizes" => "large".
Copyright
© Harry Pristis 2013
-
Similar Content Based on Tags
-
- 3 replies
- 55 views
-
Sacramento Mountains - New Mexico, Ordovician - Mississippian exploration
By Kato,
- devonian
- mississippian
- (and 4 more)
- 9 replies
- 160 views
-
- 1 reply
- 126 views
-
Recommended Comments
There are no comments to display.