- sinistral shell
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левосторонняя раковинка
English-Russian dictionary of geology. 2011.
sinistral shell
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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
sinistral — adjective Date: 1803 of, relating to, or inclined to the left: as a. left handed b. of a gastropod shell having the whorls coiling counterclockwise down the spire when viewed with the apex toward the observer and having the aperture situated on… … New Collegiate 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 — [ sɪnɪstr(ə)l] adjective 1》 of or on the left side or the left hand. The opposite of dextral. ↘left handed. 2》 Geology relating to or denoting a strike slip fault in which the motion of the block on the further side of the fault is towards… … English new terms dictionary
sinistral — adj. & n. adj. 1 left handed. 2 of or on the left. 3 (of a flat fish) with the left side uppermost. 4 (of a spiral shell) with whorls rising to the left and not (as usually) to the right. Derivatives: sinistrality n. sinistrally adv … Useful english dictionary
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
reverse shell — reverse shell, a spiral shell, as of a gastropod, in which the whorl rises from right to left, in the reverse of the usual direction; sinistral shell … Useful english dictionary
Dextral shell — Dextral Dex tral, a. [From {Dexter}.] Right, as opposed to sinistral, or left. [1913 Webster] {Dextral shell} (Zo[ o]l.), a spiral shell the whorls of which turn from left right, or like the hands of a watch when the apex of the spire is toward… … The Collaborative International Dictionary of English
Lanistes — Drawing of an apertural view of the shell of Lanistes ovum Scientific classification Kingdom: Animalia … Wikipedia
Lightning whelk — Taxobox name = Lightning whelk regnum = Animalia phylum = Mollusca classis = Gastropoda ordo = Sorbeoconcha familia = Melongenidae genus = Busycon species = B. perversum binomial = Busycon perversum binomial authority = (Linné, 1758.) synonyms =… … Wikipedia
O'ahu tree snail — Oʻahu tree snail Achatinella bulimoides … Wikipedia
