Umbonium

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Umbonium
Scientific classification
Kingdom: Animalia Phylum: Mollusca Class: Gastropoda Subclass: Orthogastropoda Order: Archaeogastropoda Superfamily: Trochacea Family: Trochidae Genus: Umbonium Link, 1807
Species
See text.

Umbonium, sometimes known as "button top shells", is a genus of sea snails, marine gastropod molluscs in the family Trochidae, the top snails.

[edit] Shell description

The shells of the species in this genus are low-spired and shaped like a button, and the umbilicus of the shell is often completely covered with a thick and smooth callus.

[edit] Species in the genus Umbonium

• Umbonium conicum (Adams & Reeve, 1850)
• Umbonium costatum (Valenciennes in Kiener, 1838 in 1834-50)
• Umbonium costatum (Valenciennes in Kiener, 1839)
• Umbonium elegans (Kiener, 1838)
• Umbonium eloiseae Dance, Moolenbeek & Dekker, 1992
• Umbonium giganteum (Lesson, 1833 in 1832-35)
• Umbonium moniliferum (Lamarck, 1822 in 1815-22)
• Umbonium moniliferum (Lamarck, 1822)
• Umbonium sagittata (Hinds, 1845)
• Umbonium suturale (Lamarck, 1822 in 1815-22)
• Umbonium thomasi (Crosse, 1862-a)
• Umbonium vestiarium (Linnaeus, 1758)
• Umbonium vestiarium (Linnaeus, 1758)
• Umbonium zelandica (Hombron & Jacquinot,1855)

[edit] References

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• [2]