Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Rectidentini | Contradentina | Physunio
4 available nominal species synonyms (6 total synonyms)
Physunio superbus — Graf & Cummings (2007), Bogan (2010), IUCN (2011), Bogan & Do (2014), Zieritz et al. (2016), ... Zhang et al. (2024), Dai et al. (2025), Dai et al. (2025), Chen et al. (2025), Chen et al. (2025)
Physunio eximius — Sahidin et al. (2021)
Mekong Basin, Malay peninsula, Java and Sumatra.

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MUMNH_UNI0199. (16S: MT993689, 28S: MT993741, COI: MG582020, H3: MG582063, go to Genbank) Chao Phraya River at Krok Phra, Nakhon Sawan, Thailand (15° 33' 04.5" N, 100° 05' 52.9" E).
UF_507691 (2012-0423). (COI: MT905448, go to Genbank) Thailand, Khwae Noi River at Nam Sai Resort on Rt. 3209 (13.92556, 99.49957).
UF_507691 (2012-0424). (COI: MT905449, go to Genbank) ditto.
UF_507691 (2012-0425). (COI: MT905450, go to Genbank) ditto.
UF_507725 (ICH-00683). (COI: MT905746, go to Genbank) Thailand, Khwae Noi River off Rt. 1026 approx. 7.5 km NE of Ban Tha Ngam (17.035996, 100.369392).
UF_507673 (2014-0736). (COI: MT905591, go to Genbank) Thailand, Khwae Noi River, trib. of Nan River, off Rt. 1296 approx. 2 km east of Rt. 11 (17.0135, 100.33548).
UF_507673 (2014-0737). (COI: MT905592, go to Genbank) ditto.
UF_507673 (2014-0738). (COI: MT905593, go to Genbank) ditto.
UF_507729 (ICH-00687). (COI: MT905750, SRA: SRR8473039, go to Genbank) Thailand, Nan River at Ban Bang Sai on Rt. 1063 (16.682376, 100.272257).
UF_507729 (ICH-00688). (COI: MT905751, go to Genbank) ditto.
RMBH_biv_1303_1. (COI: OP729808, go to Genbank) Thailand, Sin Pun River just N of Wat Bang Wong (8.4549, 99.2742).
RMBH_biv_1297. (COI: OP729807, go to Genbank) Thailand, Ta Pi River just SE of Wat Mukkhatharam (8.4118, 99.4211).
RMBH_biv_1277_1. (16S: OP735373, COI: OP729806, go to Genbank) Thailand, Ta Pi River, 3 mi NNW of Wat Wiang Sa (8.6921, 99.2802).