Metcalf, A. L. & Fullington, R. W. (1978). A new fossil Ashmunella (Pulmonata: Polygyridae) from the Sierra Diablo and Hueco mountains, Texas. The Nautilus. 92(2): 88-91, figs. 1-5.
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Metcalf, A. L. & Fullington, R. W.
1978
A new fossil <i>Ashmunella</i> (Pulmonata: Polygyridae) from the Sierra Diablo and Hueco mountains, Texas