Species Account

Arculus sykesi (Chaster, 1895)

Veneroidea : Neoleptonidae

Tebble name: Neolepton sykesi (Chaster)
Smith & Heppell name: Arculus sykesi (Chaster, 1895)

To size: To 1.6mm. Shell Structure: Thin, opaque. Equivalve: Equivalve. Equilateral: Very slightly inequilateral, beaks just infront of midline. Tumidity: Moderately inflated. Outline: Subcircular, posterior a little narrower than anterior; ventral margin slightly straightening. Contour: Even.

Sculpture: Of regularly spaced fine concentric ridges. Margin: Inner margin smooth. Hinge: Both valves with single minute oblique cardinals and single anterior and posterior laterals. Pallial Musculature: Obscure. Periostracum: Indistinct. Colour: Shell white some with a light ferruginous deposit.

Distribution & Ecology

Sporadic, English and Bristol Channels, SW Ireland, SW Scotland.

Attached to the tanaid

Depth Range
Continental Shelf (to 200m)

Additional Information & Related Species

Related Species


Listed are literature citing Arculus sykesi (Chaster, 1895). Reference containing the species Type Description is highlighted.

Chaster G W 1895. A new species of Lepton from Guernsey. Annals of Natural History. 15: 248.
Van Aartsen JJ 1996. Galeommatacea and Cyamiacea Part II. La Conchiglia. 281: 27-53, + 61.


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Record last modified: 17/05/2016