Species Account

Myonera alleni Poutiers & Bernard 1995

Verticordioidea : Cuspidariidae

Tebble name: n/a
Smith & Heppell name: n/a

Notes on Nomenclature

Here previously as Myonera atlantica (Allen & Morgan, 1981), however the name is preoccupied by Cuspidaria (Cuspidaria) atlantica Allen & Morgan, 1981.

To size: To 5mm. Shell Structure: Thin. Equivalve: Equivalve. Equilateral: Equilateral. Tumidity: Compressed. Outline: Body of shell subovate; anterior rounded but rather angular; ventral weakly curved to almost straight with maximum height below beaks; posterior ventral margin weakly sinuous. Rostrum elongate, with a long straight to upturned dorsal margin. Posterior roundly truncate. Contour: Posterior sinus broad and rather shallow.

Sculpture: Of up to twelve widely spaced concentric lamellae over body of shell these fading towards the rostrum; rostrum almost lacking sculpture some with faint radial lines. Shell overall microscopically pustulose, most obvious in juveniles. Margin: Inner margin smooth. Ligament: Internal on a small posterior projecting resilifer. Hinge: Apparently lacking teeth, but some shells with a weak posterior flange in the RV. Pallial Musculature: Obscure. Periostracum: Obscure. Colour: Shell white.

Distribution & Ecology

A deep water species known from the Bay of Biscay, Porcupine Sea Bight and Rockall Trough at 500-4900m.

Depth Range
Bathyal (500 - 2000m)
Abyssal Rise (2000 - 4000m)
Abyssal Plain (4000m +)

Additional Information & Related Species


Listed are literature citing Myonera alleni Poutiers & Bernard 1995. Reference containing the species Type Description is highlighted.

Poutiers J.M. & Bernard F.R. 1995. Carnivorous bivalve molluscs (Anomalodesmata) from the tropical western Pacific OCean, with a proposed classification and a catalogue of Recent species Resultat des Campagnes MUSORSTOM, vol 14. Memoires Museum national Histoire naturelle, 167. 107-187.


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Record last modified: 22/03/2016