dextral gastropods

dextral gastropods
(MOLLUSCA)
A gastropod with genitalia on the right side of the head-foot mass or pallial cavity; commonly the shell, when viewed with the apex uppermost, has the aperture on the right; see sinistral gastropods.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • dextral — [deks′trəl] adj. [< L dextra, right hand side (see DEXTER) + AL] 1. on the right hand side; right 2. right handed 3. having whorls that rise to the apex in counterclockwise spirals from the opening at the lower right: said of the shells of… …   English World dictionary

  • sinistral gastropods — (MOLLUSCA) Having the genitalia on the left side of the head foot mass or pallial cavity, and commonly the shell, when viewed with the apex uppermost, with the aperture on the left; see dextral gastropods …   Dictionary of invertebrate zoology

  • Sinistral and dextral — Not to be confused with Dexter and sinister. Sinistral and dextral are scientific terms that describe chirality (“handedness”) or relative direction in a number of disciplines. The terms are derived from the Latin words for “left” (sinister) and… …   Wikipedia

  • Gastropod shell — [ 1 umbilicus2 parietal callus3 aperture4 columella5 suture6 whorl7 apex] The gastropod shell is a shell which is part of the body of a gastropod or snail. It is an external skeleton or exoskeleton, which serves not only for muscle attachment,… …   Wikipedia

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  • Euhadra — Taxobox name = Euhadra image caption = Euhadra quaesita image width = 250px status = regnum = Animalia phylum = Mollusca classis = Gastropoda ordo = Pulmonata familia = Bradybaenidae genus = Euhadra genus authority = Pilsbry, 1890 species =… …   Wikipedia

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