Redescription of Marstonia comalensis (Pilsbry & Ferriss, 1906), a poorly known and possibly threatened freshwater gastropod from the Edwards Plateau region (Texas)

Robert Hershler; Hsiu-Ping Liu

doi:10.3897/zookeys.77.935

Research Article

ZooKeys 77: 1-16
https://doi.org/10.3897/zookeys.77.935

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Figure 4.

Map showing the distribution of Marstonia comalensis in the Brazos, Colorado, Guadalupe and Nueces River basins, south-central Texas. The arrow indicates the type locality (Comal Creek).