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WoRMS taxon details
original description
Lamarck [J.B.P.A. de]. (1804). Suite des mémoires sur les fossiles des environs de Paris. <em>Annales du Muséum d'Histoire Naturelle.</em> 5: 28-36; 91-98; 179-188; 237-245; 349-367; pl. 59-62 [plates published 1806 in vol. 8]., available online at https://www.biodiversitylibrary.org/page/3496912 page(s): p. 182 [details]
original description
(of Discorbites Lamarck, 1804 †) Lamarck [J.B.P.A. de]. (1804). Suite des mémoires sur les fossiles des environs de Paris. <em>Annales du Muséum d'Histoire Naturelle.</em> 5: 28-36; 91-98; 179-188; 237-245; 349-367; pl. 59-62 [plates published 1806 in vol. 8]., available online at https://www.biodiversitylibrary.org/page/3496912 page(s): p. 182 [details]
original description
(of Cyclodiscus Ehrenberg, 1839) Ehrenberg, C.G. (1839). Über die Bildung der Kreidefelsen und des Kreidemergels durch unsichtbare Organismen. <em>Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin, Physikalische Klasse.</em> 1838: 59-147, pls. 1-4., available online at https://www.biodiversitylibrary.org/page/29017435 page(s): Chart opp. p. 120 [details]
original description
(of Rotalia (Discorbes) 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. 274 [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]
additional source
Neave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. <em>[Online Nomenclator Zoologicus at Checklistbank. Ubio link has gone].</em> , 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]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test trochospiral, planoconvex to inequally biconvex with flattened umbilical side, about two and a half whorls, seven to ten chambers in the final whorl, sutures curved and nearly radial, depressed, periphery rounded to subangular, a triangular alar projection or flap extends from the umbilical margin of each chamber over the umbilical region, forming a small chamberlet beneath, successive flaps may fuse in the central region, internally an imperforate proximal wall (paries proximus) within the chamber adheres to the septum peripherally, expanding as a lobe toward the chamber base where it may or may not attach to the chamber floor, separating the foramen into two parts, the more peripheral in position communicating with the preceding chamber, and the umbilicalmost one opening into the chamber extension beneath the alar projection; wall calcareous, thin, optically radial, finely to coarsely perforate, surface smooth; aperture a low, interiomarginal, extraumbilical arch, a secondary opening at the posterior margin of the umbilical flap leading into the chamberlet and remaining open as new chambers are formed. Eocene to Holocene cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Grammatical gender ICZN Art. 30.1.1. a genus-group name that is or ends in a Latin word takes the gender given for that word in standard Latin dictionaries; if it is a compound word formed from two or more components, the gender is given by the final component (in the case of a noun, the gender of that noun; in the case of any other component, such as a Latin suffix, the gender appropriate to that component).
Disc-orbis ("disc-circle") is masculine because "orbis" is a masculine noun in Latin. [details]
From editor or global species database
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