ANNULOFRONDICULARIA Keijzer. 1945

 

 

Type species: Frondicularia annularis d'Orbigny, 1846 (*2309), p. 59; OD.

Frondicularia (Annulofrondicularia) Keijzer, 1945 (*1668), p. 196.Annulofrondicularia Loeblich and Tappan. 1964(*1910), p. C518 (nom. transl.).

Test large. up to 5.0 mm in length. flat­tened, palmate to subtriangular in outline, globular proloculus followed by a few low and completely encircling early chambers, later chambers very broad, low, and equitant, not completely surrounding the base but strongly overlapping at the margins, sutures slightly thickened, strongly arched at the mid-line of the test; wall calcareous, perforate. surface smooth to longitudinally striate: aperture terminal on a slight neck. Miocene: Austria; Cuba.