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WoRMS taxon detailsEchigoina Matsunaga, 1963
 722341 (urn:lsid:marinespecies.org:taxname:722341)
accepted
Genus
Echigoina hataii Matsunaga, 1963 (type by original designation)
marine,
recent + fossil
feminine
Matsunaga, T. (1963). Benthonic smaller foraminifera from the oil fields of northern Japan. <em>Tohoku University Scientific Reports, 2nd Series (Geology).</em> 35:65-122, pls. 24-52., available online at http://hdl.handle.net/10097/00104663
page(s): p. 115 [details] Available for editors  [request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Echigoina Matsunaga, 1963. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=722341 on 2025-05-19
Date action by
Nomenclatureoriginal description
Matsunaga, T. (1963). Benthonic smaller foraminifera from the oil fields of northern Japan. <em>Tohoku University Scientific Reports, 2nd Series (Geology).</em> 35:65-122, pls. 24-52., available online at http://hdl.handle.net/10097/00104663
page(s): p. 115 [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 [details] Available for editors [request]From editor or global species database
Diagnosis Test trochospiral in the early stage, planispiral in the adult, eight to ten rapidly enlarging and slightly inflated chambers in the final whorl, chambers with small umbilical flaps on both sides of the test, sutures radial, gently curved, depressed, periphery rounded; wall calcareous, coarsely perforate, optical character not described; aperture interiomarginal, equatorial, and extending along the base of the final chamber onto both sides, bordered above with a narrow lip. Miocene to Pliocene; Japan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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