Microgloma guilonardi (Hoeksema, 1993)
Nuculanoidea : Nuculanidae
To size: 0.75 mm. Shell Structure: Extremely fragile, translucent. Equivalve: Equivalve. Equilateral: Beaks very slightly towards the anterior. Tumidity: Tumid. Outline: Elliptical, anterior marginally narrower than posterior; dorsal margins weakly curved; lateral margins evenly rounded; ventral margin gently curved. Contour: Umbos low, beaks scarcely projecting.
Sculpture: Large prodissoconch smooth then with weak concentric lines. Margin: Inner margin smooth. Ligament: Very narrow beneath the beaks. Hinge: Taxodont; 2 weak teeth on either side of a wide edentulous space beneath the beaks; teeth subparallel with dorsal margin. Pallial Musculature: Indistinct. Periostracum: Obscure. Colour: Non translucent areas white.
Distribution & Ecology
Continental Shelf (to 200m)
Additional Information & Related Species
Key Features & Similar Species
Nuculanoidea : Nuculanidae
Listed are literature citing Microgloma guilonardi (Hoeksema, 1993). Reference containing the species Type Description is highlighted.
Hoeksema DF 1993. Phaseolus guilonardi n.sp., a new species of Phaseolidae (Bivalvia: Protobranchia) from the southern North Sea basin. Basteria. 57: 95-102.
Hoeksema DF 2000. A new record of Microgloma guilonardi (Hoeksema, 1991) from the Mediterranean (Bivalvia, Protobranchia, Nuculanidae). Basteria. 64: 3-4.
Ockelmann K & Warén A 1998. Taxonomy of and biological notes on the bivalve genus Microgloma with comments on Protobranch nomenclature. Ophelia. 48(1): 1-24.
Phorson JE 1994. Phaseolus guilonardi Hoeksema, 1993 in Normandy and Northumberland. Journal of Conchology. 35: 185.
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