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Taxon profile

species

Agathotoma klasmidia Shasky, 1971

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Mangeliidae »  genus Agathotoma

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Agathotoma klasmidia

Author: Shasky

Agathotoma klasmidia

Author: Hertz, Gemmell & Myers

Taxon in country check-lists*

Pacific Ocean, North America: Mexico

* List of countries might not be complete

Description

Shell small, turreted, whitish with about 6 ½ whorls; nucleus of 2 1/2 turns, the first 1 1/2 smooth, the last with about 20 faint axial riblets that are angled at the periphery; postnuclear whorls, except the body whorl, shouldered below the submerged and indistinct suture; axial sculpture of 11 antisigmoid, rounded ribs that extend from suture to suture; major and minor fimbriated spiral threads cover the postnuclear shell; on the penult whorl there are 2-3 major threads and about 13 minor threads; on the body whorl there are about 40 threads of which about 10 are major; aperture long, oval; outer lip varicose with spiral threads reflected over the varicose portion; outer lip smooth within; columella straight except for a slight ripple; anterior canal short, open; anal canal open and with moderate callus. Dimensions of holo-type: height 5.0 mm, diameter 1.9 mm, height of aperture 2.5 mm.
Shasky, 1971. Original description.

Distribution

Pacific Coast of Mexico.
Author: Jan Delsing

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Agathotoma klasmidia Shasky, 1971]
Data retrieved on: 23 November 2013

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