Species Account

Palliolum striatum (Müller, 1776)

Pectinoidea : Pectinidae

Tebble name: Chlamys (Palliolum) striata (Müller)
Smith & Heppell name: Palliolum striatum (Müller, 1776)

To size: To 25mm. Shell Structure: Thin. Equivalve: Valves equally convex. Equilateral: Inequilateral. Outline: Subcircular to suboval, a little higher than long (umbonal angle ca. 95°). Anterior ears ca. 3x longer than posterior, posterior ears distinct. Contour: RV anterior ear with a deep byssal notch. Ctenolium well developed.

Sculpture: Slightly discrepant. LV with granular antimarginal microsculpture and up to 70 radial riblets carrying fine spines. RV with more delicate micro-sculpture and a few radial riblets on the lateral margins. Ears with prominent riblets. Margin: Inner margin smooth. Colour: Colour variable, white, yellowish through shades of reddish brown, patterned irregularly with blotches, zigzags and radial streaks.

Distribution & Ecology

On a variety of coarse sediments mostly from 30m to the shelf edge and upper slope.

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

Additional Information & Related Species

Key Features & Similar Species

From P. tigerinum the more circular outline, proportionately larger posterior ears and the scaly riblets are distinctive. From P. furtivum, that species has no radial riblets or scales on the LV and the microsculpture is developed equally on both valves.

Related Species


Listed are literature citing Palliolum striatum (Müller, 1776). 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.
Müller O F 1776. Zoologiae Danicae Prodromus, seu Animalium Daniae et Norvegiae Indigenarum, characteres, nomina, et synonyma imprimis popularum Havniae (Copenhagen): Typis Hallageriis. 281pp.
Wagner H.P. 1991. Review of the European Pectinidae (Mollusca: Bivalvia). Vita Marina. 41 (1): 3-48.


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Record last modified: 17/05/2016