Search the Community
Showing results for tags 'arachnophyllum'.
-
Hello all, I found this chunk of silicified colonial rugose coral in a creek near the Grand River in Grand Ledge, MI (south central MI). The creek cuts through Pennsylvanian bedrock and is full of fossil plant material. To me, it looks a lot like photos of Arachnophyllum pentagonum I've seen on blog entries about the Louisville limestone, which I understand correlates with the Cordell Dolomite formation of the Manistique group of northern MI. I'm guessing it wouldn't be too unexpected to find a Silurian coral glacially transported to this area of south central MI? But maybe a Mississippian coral like Acrocyathus would make more sense, given that the Mississippian Bayport limestone is closer to this area. Can anyone recognize the genus? Many thanks! Lisa
- 13 replies
-
- 2
-
- acrocyanthus
- arachnophyllum
- (and 4 more)
-
I found this section of colonial coral in the Silurian of southern Indiana. I believe it is Arachnophyllum. Specimen is approxately 9x5x3 inches. Photos views are oblique, top & side cross-section showing laminae.
- 1 reply
-
- 3
-
- arachnophyllum
- coral
-
(and 2 more)
Tagged with: