Foraminifera taxon details
original description
Sosnina, M. I. (1978). О фораминиферах чандалазского горизонта поздней перми Южного Приморья - On foraminifera of the Late Permian Chandalazsk Horizon of southern Primorye. In L. I. Popeko, Верхний палеозой Северо-Восточной Азии. <em>Vladivostok: lnstituta Tektoniki i Geofiziki, Akademiya Nauk SSSR, Dal'nevostochnyy Nauchnyy Tsentr.</em> 24-43. page(s): p. 27 [details] Available for editors [request]
basis of record
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ page(s): pl. 311 fig. 14-16; note: Pseudovidalina ornata Sosnina. U. Permian (Chandalazsk Horizon), S. Primorye, USSR. 14, Equatorial section, x 70; 15, 16, axial section of holotype, x 70 and x 100, respectively (from Sosnina, 1978). ... Pseudovidalina ornata Sosnina. U. Permian (Chandalazsk Horizon), S. Primorye, USSR. 14, Equatorial section, x 70; 15, 16, axial section of holotype, x 70 and x 100, respectively (from Sosnina, 1978). . . (p. 297).
[details] Available for editors [request]
From editor or global species database
Diagnosis Test small, discoid, large globular proloculus followed by planispirally enrolled tubular undivided second chamber, coiling evolute, but with strong secondary lamellar thickening in the umbilical region, apparently a layer being added at the formation of each of the early whorls, later whorls appear wholly evolute without added umbilical lamellae; wall calcareous, apparently with a thin inner dark layer and a vitreous outer layer, appearing in section as light yellow and radiate in structure; aperture simple at the open end of the tubular chamber. M. Permian (Kungurian, Chandalazsk Horizon), Guadalupian; USSR: Northeast Asia, S. Primorye Territory. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
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