Foraminifera taxon details
original description
Mohler, W. A. (1938). Mikropaläontologische Untersuchungen in der nordschweizerischen Juraformation. <em>Abhandlungen der Schweizerischen Paläontologischen Gesellschaft.</em> 60: 1-53. page(s): p. 18 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test free, lenticular in form, planispirally enrolled and involute, globular proloculus followed by numerous small chambers per whorl that increase gradually in size, interior simple, sutures radial to very slightly arched; wall microgranular calcareous, agglutinated, commonly diagenetically altered, foreign material more abundant in outer whorls of some species, structure simple, no subepidermal network or other exoskeletal or endoskeletal structures present, wall single layered, but septa secondarily doubled by addition of a second wall layer over the previous apertural face as a new chamber is added, umbonal region also progressively thickened as chambers are added; aperture equatorial, a low interiomarginal arch. U. Jurassic (L. Malm) to L. Cretaceous (Bedoulian); Switzerland; France; Yugoslavia; USSR: N. Caucasus; Egypt; Israel. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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