Mesomphix pilsbryi (G. Clapp, 1904) And Mesomphix globosus (MacMillan, 1940) Comparison
Left: Mesomphix pilsbryi (G. Clapp, 1904) Striate Button
Right: Mesomphix globosus (MacMillan, 1940) Globose Button

Mesomphix pilsbryi (G. Clapp, 1904) And Mesomphix globosus (McMillan, 1940) Comparison

Mesomphix pilsbryi (G. Clapp, 1904) And Mesomphix globosus (McMillan, 1940) Comparison

Near Florida Caverns State Park, Marianna, Jackson Co., Florida (both 15 mm.)

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