Species Account

Cyclopecten hoskynsi (Forbes 1844)

Pectinoidea : Propeamussiidae

Tebble name: n/a
Smith & Heppell name: Cyclopecten imbrifer (Lovén, 1846)

To size: To 10mm. Shell Structure: Fragile, hyaline. Equivalve: LV a little more convex than RV. Equilateral: Equilateral. Outline: Subcircular, lower part of disc semicircular, upper part with long straight margins. Anterior ears wider and longer than anterior. RV ear with a small byssal notch, ctenolium absent.

Sculpture: Discrepant; RV with evenly spaced co-marginal lirae; LV with widely spaced co-marginal lamellae, these fading as radial rows of vesicles appear towards the margins. RV anterior ear weakly ribbed; LV anterior ear with up to four radial rows of small vesicles or spines. Colour: Transparent whitish.

Distribution & Ecology

Feeding type unknown. Found on soft sediment bottoms from the shelf edge to lower slope. Along the entire western continental margin.

Depth Range
Continental Shelf (to 200m)
Continental Margin Zone (200 - 500m)
Bathyal (500 - 2000m)

Additional Information & Related Species

Additional Comments

Dijkstra, Waren & Gudmundsson (2009) regard C. hoskynsi and C. imbrifer to be the same species and give priority to the name hoskynsi.

Related Species


Listed are literature citing Cyclopecten hoskynsi (Forbes 1844). 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.


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Record last modified: 17/05/2016