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Norelona pyrenaica
''Norelona pyrenaica'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Elonidae. ''Norelona pyrenaica'' is the type species of the genus ''Norelona''. == Shell description == The shell is narrowly umbilicated, flattened above, thin, pellucid, olivaceous corneous. The shell has 4½〔 whorls, that are rather flattened. The last whorl is not descending. The peristome is acute, reflected, white-lipped.〔 The width of the shell is 17-21 mm. The height of the shell is 9-11 mm.〔 Kerney M.P., Cameron R.A.D. & Jungbluth J.H. 1983. ''Die Landschnecken Nord- und Mitteleuropas.'' Hamburg/Berlin, 384 pp., page 299.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Norelona pyrenaica」の詳細全文を読む
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