File:Marstonia comalensis penis.png

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Description
English: Drawing of the dorsal surface of penis of Marstonia comalensis, USNM 874926. Tg = terminal gland, Pl = penial lobe, Pf = penial filament, Pd = penial duct.
Date
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 3A. Extracted in 300 dpi.
Author Robert Hershler & Hsiu-Ping Liu
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26 January 2011

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current20:58, 29 March 2011Thumbnail for version as of 20:58, 29 March 2011608 × 949 (189 KB)Snek01{{Information |Description={{en|1= Drawing of the dorsal surface of penis of ''Marstonia comalensis'', USNM 874926. Pf = penial filament. Pl = penial lobe.}} |Source=Hershler R. & Liu H.-P. (2011). "Redescription of ''Marstonia comalensis'' (Pilsbry & Fer

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