Physella heterostropha (Say, 1817) Pewter Physa

Physella heterostropha (Say, 1817) Pewter Physa  Physella heterostropha (Say, 1817) Pewter Physa  Physella heterostropha (Say, 1817) Pewter Physa In Situ

Physella heterostropha (Say, 1817) Pewter Physa  Physella heterostropha (Say, 1817) Pewter Physa  Physella heterostropha (Say, 1817) Pewter Physa In Situ

Physella heterostropha (Say, 1817) Pewter Physa  Physella heterostropha (Say, 1817) Pewter Physa