From editor or global species database
Diagnosis Test free or attached, early spiral stage followed by spreading or irregular chambers in an irregular mass, mound, disc, or branching structure; wall of hyaline, optically radial calcite, coarsely perforate; aperture absent except for mural pores or openings in the cribrate upper surface of the chambers. Paleocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]