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6983-1.jpg (85767 bytes)

 

6985-1.jpg (102835 bytes)

Seila tenuis Laseron, 1951

Description (Based solely on holotype): Shell moderately large for the family, narrowly conical, spire slightly convex. Protoconch of 2 smooth whorls. Teleoconch with straight-sided whorls, suture indistinct. Whorls sculptured with 3 strong, smooth spiral cords with a weaker spiral 4 below. Interspaces between spirals with fine axial threads. Base with a further spiral, then concave and smooth below. Outer lip of aperture thin; inner lip lightly calloused. Anterior canal a deep U-shaped notch. Colour uniformly fawn.

Size: Holotype 6.0 mm in length.

Distribution: Holotype from Middle Harbour, NSW. No other specimens available.

Habitat: Unknown

Comparison: See S. atkinsoni.

Remarks: I have not been able to find any specimens among the Museum's unsorted material that are a good match for the holotype and can be unambiguously identified as this species.

Figs. 1, 2: Middle Harbour, Sydney, NSW (C.032490 HOLOTYPE)

 

Copyright Des Beechey 2016