Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Rectidentini | Contradentina | Physunio
56 specimens + 46 GenBank vouchers

Brandt, 1974. Arch. Moll. 105: 297, pl. 25, fig. 62.
Type(s): HOLOTYPE SMF_220841, Thailand: Maenam Pong at Pong Nip Dam; Prov. Kon Kaen.
Physunio modelli — Brandt (1974), Kittivorachate & Yangyuen (2004), Graf & Cummings (2007), Bogan (2010), IUCN (2012), ... Graf & Cummings (2021), Jeratthitikul et al. (2021), Bolotov et al. (2022), Konopleva et al. (2023), Campbell & Lydeard (2026)
Contradens sp. — Pfeiffer & Graf (2015), Konopleva et al. (2017)
Physunio cf. modelli — Bolotov et al. (2017)
Contradens sp. 1 — Bolotov et al. (2017)
Physunio sp. ‘Contradens’ — Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Konopleva et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020)
Physunio sp. 2 — Wu et al. (2021)
Physunio modelli — Brandt (1974), Kittivorachate & Yangyuen (2004), Graf & Cummings (2007), Bogan (2010), IUCN (2012), ... Graf & Cummings (2021), Jeratthitikul et al. (2021), Bolotov et al. (2022), Konopleva et al. (2023), Campbell & Lydeard (2026)
Contradens sp. — Pfeiffer & Graf (2015), Konopleva et al. (2017)
Physunio cf. modelli — Bolotov et al. (2017)
Contradens sp. 1 — Bolotov et al. (2017)
Physunio sp. ‘Contradens’ — Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Konopleva et al. (2019), Konopleva et al. (2019), Bolotov et al. (2020)
Physunio sp. 2 — Wu et al. (2021)