Crurithyris planoconvexa (Shumard, 1855)

  Crurithyris planoconvexa (Shumard, 1855)
Crurithyris planoconvexa (Shumard, 1855)

General abundance:  Common

Crurithyris planoconvexa (Shumard) is a small species
of brachiopod that rarely exceeds 6 or 7 mm along
the hinge line. It has a highly inflated pedicle valve and
a nearly flat brachial valve. This species is often very
abundant when it is found.

The above description is from the following web site.
Nebraska's Invertebrate Fossils


Dunbar, C.O. and Condra, G.E., 1932, Brachiopoda of the Pennsylvanian
System in Nebraska; Nebraska Geological Survey, Bulletin 5, p.344,
pl.42, figs.12-14

Hoare, R. D., 1961, Desmoinesian Brachiopoda and Mollusca from
Southwest Missouri; University of Missouri Press, p.81, pl.11,

Hoare, R.D., 1968, Pennsylvanian brachiopods of Ohio; Ohio Geological
Survey Bulletin 63, p.60, pl,19, figs.21-25

Phylum Brachiopoda (brachiopods)
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