Foraminifera taxon details
original description
Henson, F. R. S. (1948). Larger imperforate foraminifera of south-western Asia. Families Lituolidae, Orbitolinidae and Meandropsinidae. <em>British Museum (Natural History).</em> 1-127. page(s): p. 69 [details] Available for editors [request]
From editor or global species database
Diagnosis Test conical with convex base, early stage spiral, later with rectilinear discoid chambers, interior with exoskeleton of radial plates or beams that alternate in position from chamber to chamber, may also have secondary vertical beams and transverse rafters, resulting in a reticulate subepidermal network of cells with transverse interconnections; wall of imperforate microgranular calcite; aperture consists of numerous pores through the central part of the septa. L. Cretaceous (Aptian) to M. Cretaceous; Iraq; Iran; Spain; France. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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