WoRMS taxon details
Pyrgo Defrance, 1824
112037 (urn:lsid:marinespecies.org:taxname:112037)
accepted
Genus
Pyrgo laevis Defrance, 1824 (type by monotypy)
Biloculina d'Orbigny, 1826 · unaccepted
Miliola (Biloculina) Parker & Jones, 1865 · unaccepted
Miliolina (Biloculina) Goës, 1894 · unaccepted (Subjective junior synonym in...)
Subjective junior synonym in opinion of Loeblich & Tappan, 1987 nom. transl.
Pseudobiloculina Cherif, 1970 · unaccepted (Subjective junior synonym in...)
Subjective junior synonym in opinion of Loeblich & Tappan, 1987
Pyrgoides Hofker, 1976 · unaccepted (Subjective junior synonym Opinion...)
Subjective junior synonym Opinion of Loeblich and Tappan (1987)
- Species Pyrgo abyssorum (Goës, 1894)
- Species Pyrgo antarctica Saidova, 1975
- Species Pyrgo appendiculata (Reuss, 1863) (accepted > unreplaced junior homonym, Primary (and secondary) junior homonym of Biloculina appendiculata Eichwald, 1851)
- Species Pyrgo arctica (Goës, 1894)
- Species Pyrgo asanoi Nesterova, 1979
- Species Pyrgo basilanensis McCulloch, 1977
- Species Pyrgo bougainvillei (d'Orbigny, 1839)
- Species Pyrgo bubnanensis McCulloch, 1977
- Species Pyrgo bulloides (d'Orbigny, 1826)
- Species Pyrgo calostoma (Karrer, 1868)
- Species Pyrgo canariensis (d'Orbigny, 1839)
- Species Pyrgo clypeata (d'Orbigny, 1846)
- Species Pyrgo collaprocera Saidova, 1975
- Species Pyrgo comata (Brady, 1881)
- Species Pyrgo compressioblonga Zheng, 1979
- Species Pyrgo curvua Lukina, 1980
- Species Pyrgo dapsiliformis McCulloch, 1977
- Species Pyrgo dapsilis McCulloch, 1977
- Species Pyrgo dehiscens (Flint, 1899)
- Species Pyrgo denticulata (Brady, 1884)
- Species Pyrgo depressa (d'Orbigny, 1826)
- Species Pyrgo dispar McCulloch, 1977
- Species Pyrgo dissidens McCulloch, 1977
- Species Pyrgo ecuadorensis McCulloch, 1977
- Species Pyrgo elongata (d'Orbigny, 1826)
- Species Pyrgo expressus McCulloch, 1981
- Species Pyrgo ezo Asano, 1938
- Species Pyrgo fiorei McCulloch, 1977
- Species Pyrgo flintii (Cushman, 1917)
- Species Pyrgo galapagosensis McCulloch, 1977
- Species Pyrgo globifera Lukina, 1980
- Species Pyrgo guerrerii (Silvestri, 1900)
- Species Pyrgo hancocki McCulloch, 1977
- Species Pyrgo inornata (d'Orbigny, 1846)
- Species Pyrgo insularis McCulloch, 1977
- Species Pyrgo johnsoni Cushman, 1935
- Species Pyrgo jugosus Cushman, 1935
- Species Pyrgo kurilyi Saidova, 1975
- Species Pyrgo labrum Gudmundsson, 1998
- Species Pyrgo laevis Defrance, 1824
- Species Pyrgo lata (Wiesner, 1931)
- Species Pyrgo lateoralis Parr, 1950
- Species Pyrgo longirostra (d'Orbigny in Fornasini, 1902)
- Species Pyrgo lucernula (Schwager, 1866)
- Species Pyrgo magdalenaensis McCulloch, 1977
- Species Pyrgo marianae McCulloch, 1977
- Species Pyrgo megastoma Zheng, 1979
- Species Pyrgo millettii McCulloch, 1977
- Species Pyrgo milneedwardsi (Schlumberger, 1891)
- Species Pyrgo murrhina (Schwager, 1866)
- Species Pyrgo mutabilis (Martinotti, 1921)
- Species Pyrgo nasuta Cushman, 1935
- Species Pyrgo natukawa Matui & Nakagawa, 1942
- Species Pyrgo neodenticulatus McCulloch, 1981
- Species Pyrgo notalna Saidova, 1975
- Species Pyrgo oblonga (d'Orbigny, 1839)
- Species Pyrgo oeensis (Martinotti, 1921)
- Species Pyrgo oligocenica Cushman, 1935
- Species Pyrgo oraria (Martinotti, 1921)
- Species Pyrgo pacifica Asano, 1956
- Species Pyrgo patagonica (d'Orbigny, 1839)
- Species Pyrgo peruviana (d'Orbigny, 1839)
- Species Pyrgo phlegeri Andersen, 1961
- Species Pyrgo pisum (Schlumberger, 1891)
- Species Pyrgo planoserratus McCulloch, 1981
- Species Pyrgo prolata McCulloch, 1977
- Species Pyrgo pyxis Gudmundsson, 1998
- Species Pyrgo quadrangularis (Goës, 1894)
- Species Pyrgo quadrata (Heron-Allen & Earland, 1930)
- Species Pyrgo rasheedi Hatta, 1996
- Species Pyrgo ringens (Lamarck, 1804)
- Species Pyrgo rotalaria Loeblich & Tappan, 1953
- Species Pyrgo saccata (Goës, 1894)
- Species Pyrgo saggittioris Zheng, 1988
- Species Pyrgo sagittioris Zheng, 1988
- Species Pyrgo sanbenitoensis McCulloch, 1977
- Species Pyrgo sanclementensis McCulloch, 1977
- Species Pyrgo sarsi (Schlumberger, 1891)
- Species Pyrgo semicostata (Cushman, 1917)
- Species Pyrgo serrata (Bailey, 1861)
- Species Pyrgo simplex (d'Orbigny, 1846)
- Species Pyrgo simulatus McCulloch, 1981
- Species Pyrgo siogamaensis Asano, 1937
- Species Pyrgo sphaeroides (Schlumberger, 1883)
- Species Pyrgo spinidorsa Zheng, 1980
- Species Pyrgo striatella (Cushman, 1908)
- Species Pyrgo striolata (Brady, 1884)
- Species Pyrgo subcircularis McCulloch, 1977
- Species Pyrgo subglobulus Parr, 1950
- Species Pyrgo subsphaerica (d'Orbigny, 1839)
- Species Pyrgo tainanensis Ishizaki, 1943
- Species Pyrgo tasmanensis Vella, 1957
- Species Pyrgo tubulosa (Costa, 1856)
- Species Pyrgo walshi McCulloch, 1981
- Species Pyrgo wiesneri Parr, 1950
- Species Pyrgo williamsoni (Silvestri, 1923)
- Species Pyrgo wrangellensis McCulloch, 1977
- Species Pyrgo yabei Asano, 1936
- Species Pyrgo anomala (Schlumberger, 1891) accepted as Pyrgo inornata (d'Orbigny, 1846) (subjective junior synonym in opinion of Hayward et al (2010))
- Species Pyrgo bradyi (Schlumberger, 1891) accepted as Pyrgo fornasinii Chapman & Parr, 1935 accepted as Pyrgo sarsi (Schlumberger, 1891) (unaccepted > junior homonym, Nomen novum in Chapman and Parr (1935) Junior Homonym of B. bradyi Fornasini, 1886)
- Species Pyrgo carinata (d'Orbigny, 1839) accepted as Biloculinella carinata (d'Orbigny, 1839) (Opinion of Jones (2013))
- Species Pyrgo depressus (d'Orbigny, 1826) accepted as Pyrgo depressa (d'Orbigny, 1826)
- Species Pyrgo fischeri (Schlumberger, 1891) accepted as Pyrgo clypeata (d'Orbigny, 1846) (unaccepted > junior subjective synonym, Subjective junior synonym in opinion of Kawagata and Kamahashi (2018))
- Species Pyrgo fornasinii Chapman & Parr, 1935 accepted as Pyrgo sarsi (Schlumberger, 1891) (Subjective junior synonym Opinion of Jones (1994))
- Species Pyrgo globulus (Bornemann, 1855) accepted as Biloculinella globulus (Bornemann, 1855) (Opinion of Le Calvez and Le Calvez (1958))
- Species Pyrgo guerreri (Silvestri, 1900) accepted as Pyrgo guerrerii (Silvestri, 1900) (Subsequent incorrect spelling)
- Species Pyrgo hachijensis Uchio, 1952 accepted as Massilina hachijensis (Uchio, 1952) (Opinion of Zheng & Fu, 2008)
- Species Pyrgo imlimba Saidova, 1975 accepted as Pyrgo comata (Brady, 1881) (subjective junior synonym in opinion of Hayward et al (2010))
- Species Pyrgo inflata (Wright, 1902) accepted as Biloculinella inflata (Wright, 1902)
- Species Pyrgo labiata (Schlumberger, 1891) accepted as Biloculinella labiata (Schlumberger, 1891)
- Species Pyrgo lucernuloides Ujiié, 1990 accepted as Triloculina lucernuloides (Ujiié, 1990)
- Species Pyrgo lunula (d'Orbigny, 1846) accepted as Pyrgo depressa (d'Orbigny, 1826) (subjective junior synonym in opinion of Hayward et al (2010))
- Species Pyrgo milletti (Cushman, 1917) accepted as Pyrgo millettii (Cushman, 1917) accepted as Pseudopyrgo millettii (Cushman, 1917) (Incorrect subsequent spelling)
- Species Pyrgo millettii (Cushman, 1917) accepted as Pseudopyrgo millettii (Cushman, 1917) (Type species of Pseudopyrgo)
- Species Pyrgo nasutus Cushman, 1935 accepted as Pyrgo nasuta Cushman, 1935
- Species Pyrgo sphaera (d'Orbigny, 1839) accepted as Pyrgoella sphaera (d'Orbigny, 1839)
- Species Pyrgo subpisus Parr, 1950 accepted as Pyrgo subpisum Parr, 1950 † (Pisum: pea is a neutral noun II declension (not an adjective))
- Species Pyrgo vellai Saidova, 1975 accepted as Pyrgo ringens (Lamarck, 1804) (subjective junior synonym in opinion of Hayward et al (2010))
- Species Pyrgo vespertilio (Schlumberger, 1891) accepted as Sigmopyrgo vespertilio (Sclumberger, 1891)
marine, brackish, fresh, terrestrial
recent + fossil
feminine
Defrance J.L.M. (1804-1845). [Mineralogie et Geologie] In: <i>Dictionnaire des Sciences Naturelles dans lequel on traite méthodiquement des diffrents êtres de la nature (par plusieurs professeurs du Jardin du Roi ..., F[rédéric] Cuvier, ed.)</i>. Paris. Vol. 1-2 [1804]. Vol. 3-4 [1806]. Suppl. 1 [1816]. Vol. 5-9 [1817]. Vol. 10-12 [1818]. Vol. 13-15 [1819]. Vol. 16-17 [1820]. Vol. 18-22 [1821]. Vol. 23-25 [1822]. Vol. 26-29 [1823]Vol. 30-33 [1824]. Vol. 34-38 [1825]. Vol. 39-44 [1826]. Vol. 45-51 [1827]. Vol. 52-53 [1828]. Vol. 54 [1829]. Vol. 55-57 [1828]. Vol. 58-59 [1829]. Vol. 60 [1830]. Vol. 61 [1845]. , available online at http://dx.doi.org/10.5962/bhl.title.42219
page(s): vol. 32 p. 273 [details]
page(s): vol. 32 p. 273 [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Pyrgo Defrance, 1824. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=112037 on 2025-07-09
Date
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Nomenclature
original description
Defrance J.L.M. (1804-1845). [Mineralogie et Geologie] In: <i>Dictionnaire des Sciences Naturelles dans lequel on traite méthodiquement des diffrents êtres de la nature (par plusieurs professeurs du Jardin du Roi ..., F[rédéric] Cuvier, ed.)</i>. Paris. Vol. 1-2 [1804]. Vol. 3-4 [1806]. Suppl. 1 [1816]. Vol. 5-9 [1817]. Vol. 10-12 [1818]. Vol. 13-15 [1819]. Vol. 16-17 [1820]. Vol. 18-22 [1821]. Vol. 23-25 [1822]. Vol. 26-29 [1823]Vol. 30-33 [1824]. Vol. 34-38 [1825]. Vol. 39-44 [1826]. Vol. 45-51 [1827]. Vol. 52-53 [1828]. Vol. 54 [1829]. Vol. 55-57 [1828]. Vol. 58-59 [1829]. Vol. 60 [1830]. Vol. 61 [1845]. , available online at http://dx.doi.org/10.5962/bhl.title.42219
page(s): vol. 32 p. 273 [details]
original description (of Biloculina d'Orbigny, 1826) Orbigny, A. D. d'. (1826). Tableau méthodique de la classe des Céphalopodes. <em>Annales des Sciences Naturelles.</em> vol. 7: 96-169, 245-314., available online at http://biodiversitylibrary.org/page/5753959
page(s): p. 297 [details]
original description (of Pyrgoides Hofker, 1976) Hofker, J. (1976). Further studies on Caribbean foraminifera. <em>Studies on the Fauna of Curaçao and other Caribbean Islands.</em> 49: 1-256., available online at http://www.repository.naturalis.nl/record/506198
page(s): p. 115 [details] Available for editors
[request]
original description (of Pseudobiloculina Cherif, 1970) Cherif, O.H. (1970). Die Miliolacea der Westküste von Naxos (Griechenland) und ihre Lebensbereiche. Dissertation Facultät Natur- und Geisteswissenschaften Technischen Universität Clausthal, p 176.
page(s): p. 131 [details]
original description (of Miliola (Biloculina) Parker & Jones, 1865) Parker, W. K.; Jones, T. R. (1865). On some Foraminifera from the North Atlantic and Arctic Oceans, including Davis Straits and Baffin's Bay. <em>Philosophical transactions of the Royal Society of London.</em> vol. 155: 325-441., available online at https://www.biodiversitylibrary.org/page/54092574
page(s): p. 409 [details]
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]
page(s): vol. 32 p. 273 [details]
original description (of Biloculina d'Orbigny, 1826) Orbigny, A. D. d'. (1826). Tableau méthodique de la classe des Céphalopodes. <em>Annales des Sciences Naturelles.</em> vol. 7: 96-169, 245-314., available online at http://biodiversitylibrary.org/page/5753959
page(s): p. 297 [details]
original description (of Pyrgoides Hofker, 1976) Hofker, J. (1976). Further studies on Caribbean foraminifera. <em>Studies on the Fauna of Curaçao and other Caribbean Islands.</em> 49: 1-256., available online at http://www.repository.naturalis.nl/record/506198
page(s): p. 115 [details] Available for editors
[request]original description (of Pseudobiloculina Cherif, 1970) Cherif, O.H. (1970). Die Miliolacea der Westküste von Naxos (Griechenland) und ihre Lebensbereiche. Dissertation Facultät Natur- und Geisteswissenschaften Technischen Universität Clausthal, p 176.
page(s): p. 131 [details]
original description (of Miliola (Biloculina) Parker & Jones, 1865) Parker, W. K.; Jones, T. R. (1865). On some Foraminifera from the North Atlantic and Arctic Oceans, including Davis Straits and Baffin's Bay. <em>Philosophical transactions of the Royal Society of London.</em> vol. 155: 325-441., available online at https://www.biodiversitylibrary.org/page/54092574
page(s): p. 409 [details]
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
context source (Deepsea)
Murray, J.W. (2006). Ecology and applications of benthic foraminifera. <em>Cambridge, UK, Cambridge University Press.</em> 426pp., available online at http://www.cambridge.org/9780521828390 [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]
[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 ovate in outline, compressed through the midpoint of the opposing chambers, periphery angular to carinate, chambers one-half coil in length, microspheric generation with early quinqueloculine to cryptoquinqueloculine arrangement, adult biloculine; wall calcareous, imperforate, porcelaneous; aperture at the end of the final chamber, ovate, with a short bifid tooth. U. Eocene (Priabonian) to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
