Anodontites moricandii (Lea, 1860)
Taxonomy & Nomenclature
Synonym/s: Anodonta moricandii Lea, 1860; Anodontites moricandi (Lea, 1860) [orth. var. used by Régnier et al., 2009]
See Graf & Cummings (2025) for a more complete taxonomic history.
Conservation Status
Missing (Régnier et al., 2009; Cowie et al., 2017)
Last record: uncertain
Listed as Missing (as "PoEx") by Régnier et al. (2009), but in the remark column they state: "Anodontites moricandi is actually extinct, as it was endemic from the lower São Francisco River, an area totally modified".
Distribution & Habitat
Bahia, Brazil
"Brazil, Lower São Francisco and Atlantic Streams as far south as Rio de Janeiro" (Graf & Cummings, 2025; MolluscBase eds., 2025)
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Lea I. (1860). Descriptions of four new species of Unionidæ from Brazil and Buenos Ayres. Proceedings of the Academy of Natural Sciences of Philadelphia. 12: 89-90. [after 27 March 1860]
Other references:
Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.
Graf, Daniel L. and Cummings, Kevin S. (2007). Review of the systematics and global diversity of freshwater mussel species (Bivalvia: Unionoida). Journal of Molluscan Studies 73(4): 291-314. https://doi.org/10.1093/mollus/eym029
Graf, Daniel L. and Cummings, Kevin S. (2021). A ‘big data’ approach to global freshwater mussel diversity (Bivalvia: Unionoida), with an updated checklist of genera and species. Journal of Molluscan Studies 87(1): eyaa034.
Graf, Daniel L. and Cummings, Kevin S. (2025). The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). MUSSEL Project Web Site, https://www.mussel-project.net/. Accessed 25 June 2025.
Haas, F. (1931). Versuch einer kritischen Sichtung der südamerikanischen Najaden, hauptsächlich an Hand der Sammlung des Senckenberg-Museums III. Senckenbergiana 13: 87-110.
Haas, F. (1969). Superfamilia Unionacea. Das Tierreich 88: x, 1-663. Walter de Gruyter & Co., Berlin.
Ihering, H. v. (1890). Revision der von Spix in Brasilien gesammelten Najaden. Archiv für Naturgeschichte 56(1): 117-170.
Ihering, H. v. (1910). Über Brasilianische Najaden. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 32: 111-140.
Lea, I. (1870). A Synopsis of the Family of Naïades. 184 pp.
Mansur, M. C. D., Miyahira, I. C., Arruda, J. O., Antoniazzi, T. N. and Pimpão, D. M. (2020). Key to Unionida. [in] Damborenea, Rogers & Thorp, eds. Freshwater Invertebrates — Keys to Neotropical and Antarctic Fauna 5: 409-430.
MolluscaBase eds. (2025). MolluscaBase. Anodontites moricandii (I. Lea, 1860). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1359002 on 2025-06-25
Morretes, F. L. d. (1949). Ensaio de catálogo dos moluscos do Brasil. Arquivos do Museu Paranaense 7: 5-216.
Ortmann, A. E. (1921). South American Naiades; a contribution to the knowledge of the freshwater mussels of South America. Memoirs of the Carnegie Museum 8: 451-670, pls. 34-48.
Pereira, D., Mansur, M. C. D., Duarte, L. D. S., De Oliveira, A. S., Pimpão, D. M., Callil, C. T., Ituarte, C., Parada, E., Peredo, S., Darrigran, G., Scarabino, F., Clavijo, C., Lara, G., Miyahira, I. C., Rodriguez, M. T. R. and Lasso, C. (2014). Bivalve distribution in hydrographic regions in South America: historical overview and conservation. Hydrobiologia 735: 15-44. https://doi.org/10.1007/s10750-013-1639-x
Régnier, Claire, Fontaine, Benoît and Bouchet, Philippe. (2009). Not Knowing, Not Recording, Not Listing: Numerous Unnoticed Mollusk Extinctions. Conservation Biology 23(5): 1214-1221. https://doi.org/10.1111/j.1523-1739.2009.01245.x [Appendix S1-S2]
Simone, L. R. L. (2006). Land and Freshwater Molluscs of Brazil: An Illustrated Inventory of the Brazilian Malacofauna, Including Neighboring Regions of South America, Respect to the Terrestrial and Freshwater Ecosystems. 390 pp.
Sowerby, G. B. (1870). Genus Anodon. Conchologica Iconica 17: pls. 1, 25-37.
https://extinctanimals.proboards.com/thread/23840/anodontites-moricandi
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