WoRMS taxon details
Biloculinella Wiesner, 1931
112014 (urn:lsid:marinespecies.org:taxname:112014)
accepted
Genus
Biloculina labiata Schlumberger, 1891 accepted as Biloculinella labiata (Schlumberger, 1891) (type by original designation)
- Species Biloculinella aequilabiata (Terquem, 1876)
- Species Biloculinella carinata (d'Orbigny, 1839)
- Species Biloculinella chapmani Rasheed, 1971
- Species Biloculinella cowlitzensis Beck, 1943
- Species Biloculinella cryptella (d'Orbigny, 1839)
- Species Biloculinella cylindrica Todd, 1958
- Species Biloculinella delphinoides Lei & Li, 2016
- Species Biloculinella elongata (Wiesner, 1923) (accepted > unreplaced junior homonym, Primary junior homonym of Biloculina elongata d'Orbigny, 1826)
- Species Biloculinella fragilis Le Calvez & Le Calvez, 1958
- Species Biloculinella globulus (Bornemann, 1855)
- Species Biloculinella inflata (Wright, 1902)
- Species Biloculinella isabelleana (d'Orbigny, 1839)
- Species Biloculinella japonica Asano, 1956
- Species Biloculinella labiata (Schlumberger, 1891)
- Species Biloculinella microformis Saidova, 1975
- Species Biloculinella natukawa (Matui & Nakagawa, 1942)
- Species Biloculinella subsphaerica (Wiesner, 1923) (accepted > unreplaced junior homonym, Primary junior homonym of Biloculina subsphaerica d'Orbigny, 1839)
- Species Biloculinella taiwanica Huang, 1970
- Species Biloculinella wiesneri Le Calvez & Le Calvez, 1958
- Species Biloculinella depressa (d'Orbigny, 1826) accepted as Pyrgo depressa (d'Orbigny, 1826) (superseded combination)
- Species Biloculinella eburnea (d'Orbigny, 1839) accepted as Pseudolachlanella eburnea (d'Orbigny, 1839)
- Species Biloculinella globula (Bornemann, 1855) accepted as Biloculinella globulus (Bornemann, 1855) (Incorrect subsequent spelling: globulus 'small globe, globule' is a noun not an adjective)
- Species Biloculinella globula Zheng, 1979 accepted as Pseudopyrgo paraglobula Zheng, 1988 accepted as Nummulopyrgo paraglobula (Zheng, 1988) (unaccepted > junior homonym, New name in Zheng (1988) Junior homonym of Biloculina globulus Bornemann, 1855)
- Species Biloculinella irregularia (d'Orbigny, 1839) accepted as Pyrgoella irregularis (d'Orbigny, 1839) (unaccepted > incorrect grammatical agreement of specific epithet, superseded combination)
- Species Biloculinella irregularis (d'Orbigny, 1839) accepted as Pyrgoella irregularis (d'Orbigny, 1839)
- Species Biloculinella tenuiaperta Huang, 1970 accepted as Pyrgoella tenuiaperta (Huang, 1970)
- Species Biloculinella toddae Andersen, 1961 accepted as Nummulopyrgo toddae (Anderson, 1961) (Opinion of Zheng & Fu, 2008)
marine, brackish, fresh, terrestrial
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2026). World Foraminifera Database. Biloculinella Wiesner, 1931. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=112014 on 2026-08-02
Date
action
by
2006-09-06 06:55:51Z
changed
Martinez, Olga
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
Nomenclature
original description
Wiesner, H. (1931). Die Foraminiferen der deutschen Südpolar Expedition 1901-1903. <em>Deutsche Südpolar-Expedition, Berlin (Zoology).</em> 20: 53-165. [details] Available for editors 
[request]
basis of record Gross, O. (2001). Foraminifera, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 60-75 (look up in IMIS) [details]
[request]basis of record Gross, O. (2001). Foraminifera, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 60-75 (look up in IMIS) [details]
Other
additional source
Neave, S.A. (1939 - 1996). Nomenclator Zoologicus. vol. 1-10 Online., available online at https://www.checklistbank.org/dataset/126539/about [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]
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]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test discoidal to ovate in outline, lenticular in section, chambers one-half coil in length, early chamber arrangement quinqueloculine in the microspheric generation, then cryptoquinqueloculine, and finally biloculine, megalospheric generation biloculine throughout, chambers wide, shallow, and saucerlike, angle at the widest part of the chamber resulting in a rounded to carinate periphery; wall calcareous, imperforate, porcelaneous; aperture terminal, nearly covered by a broad apertural flap, leaving only a thin crescentic opening. Oligocene to Holocene; Mediterranean; Europe; North America; Antarctica. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
Image from typetaxon
Image from typetaxon
Image from typetaxon
