Lyropora
sp.
bryozoan
Mississippian
Ridenhower Formation, Paint Creek Group
Locality: Vogel School site, near Floraville, Illinois
Note: Often incorrectly referred to as the Paint Creek
Formation
Paint Creek is the Group name
The city is often cited as Millstadt, Illinois
when in fact it should be Floraville, Illinois
Click on pictures to Magnify
These fossils illustrate both sides of the Lyropora
These 2 specimens (of different size) may be the same
species but of a different age?
In life, fenestrate was attached to the opening between
the "wings" like a web,
similar to the attachment of fenestrate on the screw-like axis of the bryozoan
Archimedes.
Matrix: Limestone lens
The Ridenhower formation is known for blastoids
and the Lyropora is often overlooked.
Barry Sutton
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Barry Sutton
BGSutton@LakeNeosho.org