Foraminifera taxon details
From editor or global species database
Diagnosis Test large, may be over 2 mm in length, elongate and biserial, possibly with tiny triserial base or may have an adventitious early chamber giving a pseudotriserial appearance, early stage with numerous low and flattened biserial chambers, later chambers somewhat higher and inflated, and test circular in section, interior of each chamber subdivided by about four short and narrow vertical radial partitions, sutures straight and horizontal, periphery of early stage carinate, later rounded; wall coarsely agglutinated, thick, with grains of varied size and composition, surface roughly finished; aperture interiomarginal, a low arch at the base of the flattened apertural face of the final chamber. M. Miocene (Tortonian); Italy; Spain. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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