Tegula pfeifferi

Tegula pfeifferi is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.[1]Tegula pfeifferi is more commonly known as "Pfeiffer's Top Shell".[2]

Tegula pfeifferi
Drawing showing an apertural view of a shell of Tegula pfeifferi
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Tegulidae
Genus: Tegula
Species:
T. pfeifferi
Binomial name
Tegula pfeifferi
(Philiippi, 1846)
Synonyms
  • Chlorostoma achates Gould, 1861
  • Chlorostoma pfeifferi (Philippi, 1846)
  • Trochus nordmanni Schrenck, 1862
  • Trochus pfeifferi Philippi, 1846 (original description)

Description

The height of the shell is 30 mm, its diameter 33 mm. The solid, umbilicate shell has a conical shape with an acutely angled periphery. It is dark purplish or brownish-purple and obliquely striate; the base radiately striate or streaked with white. The elevated spire is strictly conical. The apex is eroded. The about 7 whorls are planulate above, the last acutely angular at the periphery. The whorls are smooth or with fine spiral striae, and ill-defined longitudinal folds. The base of the shell is smooth and obsoletely plano-concave. The subhorizontal aperture occupies about half the area of the base. The columella is dentate in the middle, expanded above in a white callus. The circular umbilicus is profound and surrounded by a white zone.[3]

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References
  1. Rosenberg, G. (2012). Tegula pfeifferi (Philiippi, 1846). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=590971 on 2012-09-01
  3. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia (described as Chlorostoma pfeifferi)
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