SHORT
DESCRIPTION
Shell slender-fusiform, elongated and thin, formed by seven rather flattened whorls; shell surface smooth for the first five whorls; the last two whorls with some axial streaks along growth lines. The top whorls are strongly heterostrophic, with flattened coil at a nearly right angle to the teleoconch axis. There is a well developed and straight columellar lip, with a well-pronounced tooth. No umbilicus.
color :
white.
common size :
3.5 mm.
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DISTINGUISHING CHARACTERISTICS
The heterostrophic apex indicates the species as belonging to the family Pyramidellidae. The turriculated shell shape, allocates it to a restricted group of species of this family (Eulimella, Syrnola), among which it can be easily identified by the well- developed tooth on the columella, the constricted body whorl and the spiral sculpture on the middle part of the last whorls.
BIOLOGY / ECOLOGY
Pyramidellidae are ectoparasites, mainly of sedentary polychaetes and molluscs.
habitat :
shallow water species.
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