galaxaios Habe & Sato 1973 ...
Subfamily Volutopsiinae Habe & Sato, 1973 Diagnosis: Shell small to large (4–16 cm), periostracum thin or lacking; aperture large. Protoconch usually large, bulbous; aperture 1/2 to 3/4 of shell height; sculpture of spiral cords or lirae, axial sculpture usually absent, if present of, folds or w...
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Format: | Text |
Language: | unknown |
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Zenodo
2023
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Online Access: | https://dx.doi.org/10.5281/zenodo.8399633 https://zenodo.org/doi/10.5281/zenodo.8399633 |
Summary: | Subfamily Volutopsiinae Habe & Sato, 1973 Diagnosis: Shell small to large (4–16 cm), periostracum thin or lacking; aperture large. Protoconch usually large, bulbous; aperture 1/2 to 3/4 of shell height; sculpture of spiral cords or lirae, axial sculpture usually absent, if present of, folds or wrinkles, varices rare. Radula: Rachidian tooth with 2–7 cusps, lateral teeth with 2, rarely 3 cusps. Operculum much smaller than aperture. Egg cases dome-like or semi-spherical, with typically two to four juveniles. Remarks: In the Aleutian Islands, 13 species in four genera are recognized, including three new species and one new genus. ... : Published as part of Mclean, James H. & Clark, Roger N., 2023, Seven new genera and thirty-four new species of buccinoid gastropods (Neogastropoda: Buccinidae) from the Aleutian Islands, Alaska, pp. 151-201 in Zootaxa 5351 (2) on page 186, DOI: 10.11646/zootaxa.5351.2.1, http://zenodo.org/record/8391375 ... |
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