Description: Test consisting of five to eight pairs of chambers biserially arranged after a short initial stage that may appear as triserial; chambers inflated and sutures depressed giving a lobulate periphery to the test; wall coarsely perforated, surface smooth and glassy; aperture a long fissure extending all round the lower half of last chamber in an axial position; aperture of the penultimate chamber may remain visible.
Author: Debenay, Jean-Pierre ()
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added on 2013-03-27 - 258 views
Quirimbatina rimosa Heron-Allen & Earland, 1915checked Hayward, Bruce 2013-08-30