Checked content


Description Edrioasteroid (Cystaster stellatus) with the bryozoa genus Corynotrypa from the Ordovician of northern Kentucky.
  • Taylor, P.D. and Wilson, M.A. (1994), "Corynotrypa from the Ordovician of North America: colony growth in a primitive stenolaemate bryozoan", Journal of Paleontology, 68, pp. 241-257.
  • Wilson, M.A. (1985), "Disturbance and ecologic succession in an Upper Ordovician cobble-dwelling hardground fauna", Science 228, pp. 575-577
Date 2007-10-14 (original upload date)
Source Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster).
Author Original uploader was Wilson44691 at en.wikipedia
( Reusing this file)

Released into the public domain (by the author).


PD-icon.svg This work has been released into the public domain by its author, Wilson44691 at the wikipedia project. This applies worldwide.

In case this is not legally possible:
Wilson44691 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

The following pages on Schools Wikipedia link to this image (list may be incomplete):


Did you know...?

Wikipedia for Schools was collected by SOS Children. The world's largest orphan charity, SOS Children's Villages brings a better life to more than 2 million people in 133 countries around the globe. Want to learn more? Go to