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Geological Time: Quaternary Holocene recent
holotype
View of a specimen of Bigenerina nodosaria (d'Orbigny, 1826)
The identification is based upon:
, : Orbigny, A. D. d'. (1826). Tableau méthodique de la classe des Céphalopodes. Annales des Sciences Naturelles. vol. 7: 96-169, 245-314. Plate , Fig.
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