Forbesiocrinus
multibrachiatus
Family
Synerocrinidae
Geological
Time: Lower Mississippian, Osagean stage
Size: 30
mm
Fossil Site:
Edwardsville Formation, Crawfordsville, Indiana
This
is the Flexible crinoid Forbesiocrinus multibranchiatus (Family
Synerocrinidae). The Subclass Flexibilia gets its name from the
general flexible appearance of the crown (this one looks somewhat
like a clenched fist). This is a larger than average example of
this type of crinoid. This one very three-dimensional in aspect,
a fine example of the variety of diverse crinoids to be found in
the Crawfordsville deposits.
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