Species Account

Similipecten similis (Laskey, 1811)

Pectinoidea : Propeamussiidae

Tebble name: Similipecten similis (Laskey)
Smith & Heppell name: Similipecten similis (Laskey, 1811)

To size: To 9mm. Shell Structure: Thin, semitransparent. Equivalve: RV slightly more convex and smaller than LV. Equilateral: Inequilateral. Outline: Subcircular, slightly longer than high (umbonal angle ca. 120°). Ears about equal, posterior deeper and a little longer than anterior. Contour: RV anterior ear with distinct but small byssal notch, ctenolium absent.

Sculpture: Both valves smooth with faint co-marginal growth lines. Anterior auricles with weak co-marginal lirae, posterior auricles as disc. Margin: Inner margin smooth. Colour: Semi-transparent, tinged yellowish to pale brown and with white opaque blotches or radial streaks.

Distribution & Ecology

Free living on a variety of muddy sand to muddy gravel bottoms. On the shelf and upper slope. Widespread but appears to be absent from the southern North Sea.

Depth Range
Continental Shelf (to 200m)
Continental Margin Zone (200 - 500m)

Additional Information & Related Species


Listed are literature citing Similipecten similis (Laskey, 1811). Reference containing the species Type Description is highlighted.

Dijkstra H, Warén A & Gudmunsson G 2009. Pectinoidea (Mollusca: Bivalvia) from Iceland. Marine Biology Research. 5: 207-243.
Dijkstra HH & Gofas S 2004. Pectinoidea (Bivalvia: Propeamussidae and Pectinidae) from some northeastern Atlantic seamounts. Sarsia. 89 (1): 33-78.
Dijkstra HH & Goud J 2002. Pectinoidea (Bivalvia, Propeamussiidae & Pectinidae) collected during the Dutch CANCAP and MAURITANIA expeditions in the south-eastern region of the North Atlantic Ocean. Basteria. 66: 31-82.
Laskey J 1811. Account of North British Testacea. Memoirs of the Wernerian Natural History Society. 1: 370-414, pl 8.
Olabarria C. 2005. Patterns of bathymetric zonation of bivalves in the Porcupine Sea Bight and adjacent abyssal plain, NE Atlantic. Deep-Sea Research I. 52: 15-31.


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Record last modified: 17/05/2016