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Foraminifera taxon detailsDelosina Wiesner, 1931
 520843 (urn:lsid:marinespecies.org:taxname:520843)
accepted
Genus
Polymorphina complexa Sidebottom, 1907 accepted as Delosina complexa (Sidebottom, 1907) (type by monotypy)
marine,
Wiesner, H. (1931). Die Foraminiferen der deutschen Südpolar Expedition 1901-1903. <em>Deutsche Südpolar-Expedition, Berlin (Zoology).</em> 20: 53-165. [details]
Diagnosis Test elongate, ovate in form, rounded in section, chambers in a high trochospiral coil of three strongly overlapping...
Diagnosis Test elongate, ovate in form, rounded in section, chambers in a high trochospiral coil of three strongly overlapping chambers per whorl, increasing rapidly in height as added, final whorl occupying most of the test length, sutures depressed, strongly oblique; wall calcareous, optically granular, finely perforate, surface smooth; aperture consists of fine pores in an arched spongy area at the base of the apertural face, large secondary sutural openings lead into subsutural canals that terminate in this spongy area. Holocene; Mediterranean; Antarctic; Pacific. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Delosina Wiesner, 1931. Accessed at: https://www.marinespecies.org/Foraminifera/aphia.php?p=taxdetails&id=520843 on 2025-05-19
Date action by
original description
Wiesner, H. (1931). Die Foraminiferen der deutschen Südpolar Expedition 1901-1903. <em>Deutsche Südpolar-Expedition, Berlin (Zoology).</em> 20: 53-165. [details]
additional source 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 [details] Available for editors  [request]From editor or global species database
Diagnosis Test elongate, ovate in form, rounded in section, chambers in a high trochospiral coil of three strongly overlapping chambers per whorl, increasing rapidly in height as added, final whorl occupying most of the test length, sutures depressed, strongly oblique; wall calcareous, optically granular, finely perforate, surface smooth; aperture consists of fine pores in an arched spongy area at the base of the apertural face, large secondary sutural openings lead into subsutural canals that terminate in this spongy area. Holocene; Mediterranean; Antarctic; Pacific. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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