Marstonia_comalensis_shell_2.png

Description Marstonia comalensis shell 2.png	English: Photo of the shell USNM 874932 of Marstonia comalensis . Scale bar is 1.0 mm.
Date	26 January 2011
Source	Hershler R. & Liu H.-P. (2011). "Redescription of Marstonia comalensis (Pilsbry & Ferriss, 1906), a poorly known and possibly threatened freshwater gastropod from the Edwards Plateau region (Texas)". ZooKeys 77 : 1-16. doi:10.3897/zookeys.77.935 . Figure 1B. Extracted in 300 dpi.
Author	Robert Hershler & Hsiu-Ping Liu

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