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Data last updated
Mon 1 Dec 2025
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Bivalvia
| ... | Unionoidea
| Unionidae
| Parreysiinae
| Indochinellini
| Indonaia gratiosa
nominal species Unio occatus Lea, 1860
Lea, 1860. Proc. Acad. Nat. Sci. 12: 307. Lea, 1863. Jour. Acad. Nat. Sci. 5 [O. 10]: 398, pl. 50, fig. 304. Type(s): LECTOTYPE USNM_84077, Bengal, India.
= Indonaia gratiosa Taxonomic Opinions+ Indonaia (cylindrica-group) gratiosa (Philippi, 1843) — Bolotov et al., 2022 = Indonaia occata (Lea, 1860) — Graf & Cummings, 2021 = Radiatula occata (Lea, 1860) — Zieritz et al., 2018 = Parreysia occata Lea, 1860 — Bogan, 2010 = Parreysia occata (Lea, 1860) — IUCN, 2010 = Parreysia (Radiatula) occata (Lea, 1860) — Graf & Cummings, 2007 = Parreysia (Radiatula) occata (Lea, 1860) — Ramakrishna & Dey, 2007 = Radiatula occata (Lea, 1860) — Nesemann et al., 2007 = Radiatula (Indonaia) occata (Lea, 1860) — Nesemann et al., 2003 = Parreysia (Radiatula) occata (Lea, 1860) — Subba Rao, 1989 = Indonaia occata (Lea, 1860) — Haas, 1969 = Indonaia occata (Lea) — Annandale & Prashad, 1921 = Nodularia (s.s.) occata (Lea, 1860) — Preston, 1915 = Nodularia (s.s.) occata (Lea, 1860) — Simpson, 1914 = Nodularia (s.s.) occata (Lea) — Preston, 1912 = Nodularia (s.s.) occata (Lea, 1860) — Simpson, 1900 = Margaron (Unio) occatus (Lea) — Lea, 1870 + Unio macilentus Benson, 1862 — Hanley & Theobald, 1870 = Unio occatus Lea, 1860 — Sowerby, 1868
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