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Isanda

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(Redirected from Umbonella)

Isanda
Isanda coronata shells
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Isanda
H. Adams & A. Adams, 1854
Type species
Isanda coronata
A. Adams, 1854
Synonyms
  • Isander [lapsus]
  • Umbonella A. Adams, 1863

Isanda is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.[1]

Description

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The compact shell of species in this genus has an orbicular-conoidal shape and is porcellanous and polished. The subquadrate aperture is longer than wide, The inner lip is straight, forming an angle with the outer lip. The umbilicus is open (not covered by a callous deposit) and perspective. The margin is crenulated. The multispiral operculum is corneous. The interior has a very thin nacreous layer.[2][3]

Species

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Species within the genus Isanda include:

Species brought into synonymy

References

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