Nannonaia trompi (Drouët & Chaper, 1892)

Taxonomy & Nomenclature

Synonym/s: Unio trompi Drouët & Chaper, 1892; Elongaria trompi (Drouët & Chaper, 1892)

Conservation Status

Missing (Richmond & Zieritz, 2026)

Last record: 1900 (Richmond & Zieritz, 2026)

IUCN RedList status: Critically Endangered (Possibly Extinct)

Distribution & Habitat

Indonesian Borneo

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Original scientific description:

Drouët, H. and Chaper, M. (1892). Voyage de M. Chaper a Bornéo. Unionidae. Mémoires de la Société Zoologique de France 5: 145-154.

Other references:

MolluscaBase eds. (2026). MolluscaBase. Nannonaia trompi (Drouët & Chaper, 1892). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1870555 on 2026-08-06

Richmond, T. and Zieritz, A. (2026). Elongaria trompi. The IUCN Red List of Threatened Species 2026: e.T277133255A279203654. https://dx.doi.org/10.2305/IUCN.UK.2026-1.RLTS.T277133255A279203654.en. Accessed on 06 August 2026.

Zieritz, A., Sumaedi, G. R., Lopes-Lima, M., Rofiqoh, A. A., Richmond, T., Dimon, J., Nasir, M. A. M., Hartikainen, H., Rahim, K. A. A., Onrizal, Bolotov, I. N. and Marwoto, R. M. (2026). The freshwater mussels (Bivalvia: Unionida) of Java: first island-wide assessment reveals new species, endemism, and urgent conservation needs. Zoological Journal of the Linnean Society 206(2): zlaf198. https://doi.org/10.1093/zoolinnean/zlaf198

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