Browsing NGU Open Archive by Author "Isberg, Orvar"
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Byssonychia? sp. från Karmøy.
Isberg, Orvar (NGU (155), Journal article, 1940)Material: Cast of bivlved specimen and some impressions of the exterior. Diagnosis: Equivalved, laterally very unsymmetrical, form elliptical, height greater than length. Margo cardinalis, the hinge line, straight, somewhat ...