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

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

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

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