Ciliatocardium ciliatum (O Fabricius, 1780)
Cardioidea : Cardiidae
To size: To 75mm. Shell Structure: Robust but not heavy. Equivalve: Equivalve. Equilateral: Slightly inequilateral, beaks just in front of midline. Outline: Rounded sub-ovate, posterior more expanded than anterior, posterior margin less curved than anterior. Contour: Posterior angle indistinct, Lunule small not sunken.
Sculpture: 32-36 radial ribs, profile sharply angulate; interspaces narrow, flat. Margin: Distinctly crenulated corresponding to ribs. Ligament: External, narrow relatively long. Hinge: RV with 2 cardinal teeth, posterior much larger; 2 anterior lateral teeth, the ventral long, the dorsal very small; 1 posterior lateral tooth. LV with 2 cardinal teeth the anterior larger and lamellar, single long anterior lateral and 2 (often only one visible) short posterior lateral teeth. Pallial Musculature: Adductor scars and entire pallial line conspicuous. Periostracum: Thin but persistent as dense concentric threads. Colour: Off white and shades of reddish brown but obscured by olive brown periostracum.
Distribution & Ecology
Continental Shelf (to 200m)
Additional Information & Related Species
Cardioidea : Cardiidae
Listed are literature citing Ciliatocardium ciliatum (O Fabricius, 1780). Reference containing the species Type Description is highlighted.
Fabricius O 1780. Fauna Groenlandica systematice sistens animalis Groenlandiae occidentalis hactenus indagata Hafniae et Lipsiae, J G Rothe. 452pp, 1 pl.
Kafanov A I 2001. Recent and fossil Clinocardiinae (Bivalvia, Cardiidae) of the World. V. Genus Ciliatocardium Kafanov, 1974 (Part 1). Bulletin of the Mizunami Fossil Museum. 28: 139-171.
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