Velutinidae Gray 1840

• Main Authors: Fassio, Giulia, Stefani, Matteo, Russini, Valeria, Buge, Barbara, Bouchet, Philippe, Treneman, Nancy, Malaquias, Manuel António E., Schiaparelli, Stefano, Modica, Maria Vittoria, Oliverio, Marco
• Format: Other/Unknown Material
• Language: unknown
• Published: 2022
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Littorinimorpha; Velutinidae; Arctic; Southern Ocean; Pacific; Norway; New Zealand
• Online Access: https://zenodo.org/record/7814320; https://doi.org/10.5281/zenodo.7814320

FAMILY VELUTINIDAE GRAY, 1840 Velutinidae Gray, 1840: 90; type genus Velutina J. Fleming, 1820. Included subfamilies: Hainotinae Fassio, Bouchet, Schiaparelli & Oliverio subfam. nov., Lamellariinae d’Orbigny, 1841, Marseniopsinae Fassio, Bouchet, Schiaparelli & Oliverio subfam. nov., Velutininae Gray, 1840. Description: Small to medium size for the superfamily, 0.5–11.5 cm total length. Shell exposed to completely Marseniella Uniform Norway? Marsenia Uniform Indo-West Pacific, Mediter- ranean Sea, Caribbean Sea – 214 0 Lamellaria Uniform and Tropical Temperate eastern Pacific Tropical, Atlantic, north-eastern Atlantic, Mediterra- Sea nean, North Sea 61 0 – Coriocella Uniform Indo-West Pacific – 0 18 Djiboutia Uniform Indo-West Pacific –101 0 Pacifica Uniform Indo-West Pacific 20 – 244 Variolipallium Uniform Tropical West New, Pacific Zealand,, Caribbean South tip of, America Africa South 1573 – 42 Calyptoconcha Uniform Northern temperate, Atlantic, Sea Alboran South, Africa Uru- Brazil, guay 58 – 4500 Lamellariinae Uniform Worldwide temperate tropical, regions 4500 0 – Velutininae Scale-like elements, Arctic worldwide temperate regions 0– 1200 Hainotinae? North-eastern, South Pacific, Australia New Zealand 0 45 –, Continued Marseniopsinae Scale-like elements Southern Ocean Argen- south tinian waters 668 75 –. Table 2 Character Composition Geograph- distri- ical bution m (Depth) Table 2. Continued enclosed by the mantle, thin to very thin, from strongly calcified to membranaceus; ear, shield or cap shaped, low to high spired, with expanded aperture; smooth or weakly sculptured by axial growth lines. Periostracum from thick and hairy to not visible. Protoconch of 0.76–2.10 whorls; protoconch I of 0.25–1.20 whorls, smooth or with microgranules, with or without subsutural axial folds, nucleus diameter 54–875 μm; protoconch II with or without marked axial ribs or growth lines; protoconch–teleoconch boundary not always distinct. Echinospira planktotrophic larva with double larval shell: the outer periostracal ...