great ramshorn snail (Planorbarius corneus)

great ramshorn snail (Planorbarius corneus)

A live individual of Planorbarius corneus, carrying the shell with the umbilicus uppermost

Description
Deutsch: Posthornschnecke (Planorbarius corneus) weidet Algen auf dem Beton eines Seerosenteiches ab.
English: Photo of an albino great ramshorn (Planorbarius corneus) eating algae from the concrete in a lily pond.
Date May 2007
Source Own work
Author Claus Ableiter https://commons.wikimedia.org/wiki/User:Claus_Ableiter
Source: https://commons.wikimedia.org/wiki/File:Posthornschnecke1.jpg

Planorbarius corneus, common name the great ramshorn, is a relatively large species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails, or planorbids, which all have sinistral or left-coiling shells. The shell of this species appears to be dextral in coiling, even though it is in fact sinistral or left-handed. Superfamily: Planorboidea, Family: Planorbidae, Genus: Planorbarius, Species: Planorbarius corneus (Linnaeus, 1758).
Synonyms:
Helix cornea Linnaeus, 1758
Planorbis adelosius Bourguignat, 1859


Image Info		Original File Name: Posthornschnecke1 - great ramshorn snail (Planorbarius corneus).jpg Resolution: 1220x1220 File Size: 1177638 Bytes Date: 2009:01:03 19:00:53 Upload Time: 2017:01:15 00:51:58
Author		Name (E-mail): Wiki Photos (---@---.---)
Subject		great ramshorn snail (Planorbarius corneus)


Description		great ramshorn snail (Planorbarius corneus) A live individual of Planorbarius corneus, carrying the shell with the umbilicus uppermost Description Deutsch: Posthornschnecke (Planorbarius corneus) weidet Algen auf dem Beton eines Seerosenteiches ab. English: Photo of an albino great ramshorn (Planorbarius corneus) eating algae from the concrete in a lily pond. Date May 2007 Source Own work Author Claus Ableiter https://commons.wikimedia.org/wiki/User:Claus_Ableiter Source: https://commons.wikimedia.org/wiki/File:Posthornschnecke1.jpg Planorbarius corneus, common name the great ramshorn, is a relatively large species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails, or planorbids, which all have sinistral or left-coiling shells. The shell of this species appears to be dextral in coiling, even though it is in fact sinistral or left-handed. Superfamily: Planorboidea, Family: Planorbidae, Genus: Planorbarius, Species: Planorbarius corneus (Linnaeus, 1758). Synonyms: Helix cornea Linnaeus, 1758 Planorbis adelosius Bourguignat, 1859

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