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- Marstonia comalensis is a species of minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk or micromollusk in the family Hydrobiidae. It is found in south central Texas, United States. Marstonia comalensis is large for this genus. It has an ovate-conic, openly umbilicate shell. The penis has a short filament and oblique, squarish lobe bearing a narrow gland along its distal edge. It is well differentiated morphologically from other congeners that have similar shells and penes, and is also genetically divergent relative to those congeners that have been sequenced (mtCOI divergence 3.0–8.5%). This species has often been confused with Cincinnatia integra. (en)
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- * Amnicola comalensis (Pilsbry & Ferriss, 1906)
- * Cincinnatia comalensis (Taylor, 1975)
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- 17922 (xsd:nonNegativeInteger)
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- Marstonia comalensis (en)
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- Shell of one of the lectotypes of Marstonia comalensis. Scale bar is 1.0 mm. (en)
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- * Amnicola comalensis (Pilsbry & Ferriss, 1906)
* Cincinnatia comalensis (Taylor, 1975) (en)
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- clade Caenogastropoda (en)
- clade Hypsogastropoda (en)
- clade Littorinimorpha (en)
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- Marstonia comalensis is a species of minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk or micromollusk in the family Hydrobiidae. It is found in south central Texas, United States. This species has often been confused with Cincinnatia integra. (en)
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- Marstonia comalensis (en)
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