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Genus Rhaphisotostoma Páll-Gergely & Neubauer, gen. nov. urn:lsid:zoobank.org:act: 6A1E8FA9-E17C-47D7-A5EE-732E86BFBC9B Type species: Rhaphisotostoma asztalosi gen. et sp. nov.; only known species. Diagnosis: As for the type species. Differential diagnosis: This new genus differs from Parateinostoma due to the more slender, rather conical shell, the finely sculptured shell surface (growth lines and spiral striation), the thicker peristome, and the laterally more open sinulus. Gypsobia is larger, and its surface is glossier. Etymology: The generic name refers to the shell shape (ῥαφίς, rhaphis = needle in Ancient Greek) and the aperture shape (οὖς, ous, genitive ὠτός, otos = ear and στόμα, stoma = mouth, opening). Gender: neuter.
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Páll‐Gergely et al. (2026) studied this question.
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