angleščinaShell solid, laterally compressed and subrectangular in shape, very inequilateral, much longer than high and wider posteriorly; slightly inequivalve, left valve somewhat overlapping the right valve on posteroventral margin. Umbones small and situated anteriorly, cardinal area long and narrow. About 28 radial ribs (25 to 33) at each valve; ribs low and flat, wider than the interstices, slightly granulated on the anterior part of left valve. Periostracum coarse, concentrically striated. Internal margins with crenulations corresponding with the external radial ribs. No byssal gape. Colour: outside of shell whitish under the blackish brown periostracum. Inner side white, often tinged pale grey at periphery.
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Prevedeno iz angleščine prevedla BING
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slovenščinaLupine trdna, bočno stisnjen in subrectangular v oblike, zelo inequilateral, veliko dlje kot visoko in širše Pozadi; nekoliko inequivalve, levi ventil nekoliko prekrivajo pravico ventil na posteroventral robu. Umbones majhna in se nahaja anteriorly, kardinal področje dolgo in ozko. Približno 28 radialni rebrom (25 do 33) vsakega ventila; rebra nizko in ravno, širši od interstices, nekoliko zrnati na sprednji del levi ventil. Periostracum grobi, concentrically progami. Notranji robovi z crenulations, ki ustreza zunanji radialni rebra. Ne byssal Zjapljenje. Barva: zunaj skorja belkasta pod črnkaste rjava periostracum. Notranji strani bele, pogosto obarvana svetlo siv na obrobju.