Pilsbry, H. A. & Brown, A. P. (1914). The method of progression in Truncatella. Proceedings of the Academy of Natural Sciences of Philadelphia. 66: 426-428.
230329
Pilsbry, H. A. & Brown, A. P.
1914
The method of progression in <i>Truncatella</i>
Proceedings of the Academy of Natural Sciences of Philadelphia