Rafinesquina ponderosa

Order Pseudopunctate
Superfamily Strophomenacea
Late Ordovician -Cincinnatian
Found throughout the Cincinnatian.

One of the larger brachiopods in the Cincinnati. Rectangular in shape with the pedicle valve concave toward the margin and the brachial valve convex. Note the shell pattern of alternating more prominent rays with several less prominent rays in between.

See Rafinesquina found on field trips.

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Photos courtesy of John Tate, Jack Kallmeyer and Bill Heimbrock
Descriptions courtesy of John Tate
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