The Nautilus Log
Emarginula octaviana

Emarginula octaviana

NameEmarginula octaviana
Scientific NameEmarginula octaviana
Common NameSlit limpet
FamilyFissurellidae
GenusEmarginula
Speciesoctaviana
Geographic DistributionUnknown
Habitatsubtidal
Shell Shapeconical
Average Size (mm)9
Identifying FeaturesLimpet-like shell with a high, conical profile. The exterior surface exhibits a strong cancellate sculpture formed by numerous radial ribs intersected by concentric growth lines, creating a reticulated pattern. A prominent, narrow slit (emargination) is present at the anterior end, extending from the apex towards the margin. The shell margin is crenulated due to the external sculpture. The interior is smooth and glossy, reflecting the external ribbing.
Author CitationUnknown

Description

A small, limpet-like marine gastropod shell, characterized by its conical shape, prominent cancellate sculpture, and a distinctive anterior slit. The shell is uniformly off-white.

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