Tibersyrnola unifasciata
species of mollusc
Tibersyrnola unifasciata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
THe synonym Syrnola wenzi was named after Wilhelm August Wenz (1886-1945), a German malacologist.
Description
The shell is smooth and polished. It is white, with a median, narrow, light chestnut band. The teleoconch contains 11 flattened whorls. The length of the shell varies between 3 mm and 6.5 mm.
Distribution
This marine species occurs in rather deep water (200m - 700m) in the following locations:
European waters (ERMS scope)
Mediterranean Sea : Sicily, Greece
Greek Exclusive Economic Zone
Portuguese Exclusive Economic Zone (the Azores)
Spanish Exclusive Economic Zone
United Kingdom Exclusive Economic Zone
Canary Islands
Atlantic Ocean off Mauritania
Notes
Additional information regarding this species:
Habitat: Known from seamounts and knolls
References
Graham A. (1971), British Prosobranchs, Synopses of the British Fauna, New series, No. 2; Linnean Society., London
Nordsieck, F. (1972). Die europäischen Meeresschnecken (Opisthobranchia mit Pyramidellidae; Rissoacea). Vom Eismeer bis Kapverden, Mittelmeer und Schwarzes Meer.
The public source identifies “Tibersyrnola unifasciata” as species of mollusc. This brief keeps that definition visible, then builds a research path around Tibersyrnola, unifasciata and species.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Sep 1, 2026. The linked authority identifier is Q5409377. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1886, 1945, 1971 and 1972.
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This entry incorporates text from “Tibersyrnola unifasciata” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.