Spirifer (Mesochorispira) grimesi (Hall, 1858)
brachiopod - pedicle view

Mississippian
Osagean Series
Burlington Formation
St. Louis County, Missouri

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Spirifer (Mesochorispira) grimesi (Hall, 1858)

Discussion:

This is the type species of the subgenus Mesochorispira Carter, 1992

References:

Carter, J.L., 1992, New genera of Lower Carboniferous spiriferid
brachiopods (Brachiopoda. Spiriferida); Annals of Carnegie Museum,
v. 61, p. 327-338.

The Mississippian Brachiopoda of the Mississippi Valley Basin
Illinois State Geological Survey, 1914
Monograph 1 (plates) - pages 118-119 fig 1
Burlington limestone, Springfield, Missouri

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Burlington Formation

Mississippian Fossils of Missouri