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Taxon profile

species

Isara antillensis (Dall, 1889)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Mitridae - Miters »  genus Isara

Scientific synonyms

Mitra antillensis W. H. Dall, 1889
Mitra antillensis (Dall, 1889)

Images

Isara antillensis

Author: Dall, W.H.

Isara antillensis

Author: Dall, W.H.

Isara antillensis

Author: Tunnell et al.

Description

Mitra antillensis: The Caribbean analogue of the west American Mitra swainsonii differs from this species only in features of sculpture. The spiral grooves are distinct and deeper, and produce 9 flat spiral cords on the penultimate and 24 cords on the body whorl in the holotype; the columella has
5 folds and a very small sixth fold anteriorly. The longitudinal sculpture is also more prominent, particularly around the sutural area. The Caribbean species appears to live in appreciably deeper depth than the nominate subspecies.
Holotype of antillensis: Height 81.0 mm; Width 23.0 mm; Height of aperture 40.0 mm.
Cernohorsky, W.O., 1976. The Mitridae of the World. Part I. Mitrinae.
Mitra antillensis Dall, 1889 Antillean Miter
Distribution: North Carolina, Florida, Louisiana, Texas; DEEP WATER
Quintana Roo; Grenada. Size: 106 mm .
Description: Color whitish-yellow with an olive-brown periostracum; shape turreted; sculpture of incised spiral lines crossed by fine axial threads; spire long, narrow, and pointed; aperture almost half the length of shell; outer lip smooth and straight; inner lip with strong angled plicae, with uppermost plication strongest and lowermost weakest. Habitat: Coarse sand.
Remarks: Trawled at Alaminos station 72A-4 in 1972 at a depth of approximately 39 m (129 ft). Previously recorded depth range 55 to 780 m (180 to 2558 ft). See Abbott (1974); Leal (1991); Garcia (2000).
Tunnell, J.W. , Andrews, J. , Barrera, N.C. & Moretzsohn, F., 2010. Encyclopedia of Texas seashells.

Distribution

Mitra antillensis: North Carolina to Yucatan and the Antilles. Sublittoral, in sandy and grey mud and a coral bottom, from 130 to 421 fathoms.
Author: Jan Delsing

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