Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Unionini | Oxynaiina | Cuneopsis
3 specimens + 1 GenBank voucher

Haas, 1929. Senckenbergiana 11: 211, figs. 1-2.
Type(s): TYPE SMF_3435, Fluss Song Day bei Vietri Tonkin.
Cuneopsis demangei — Haas (1969), Graf & Cummings (2007), Bogan (2010), IUCN (2011), Schneider et al. (2013), ... Hou et al. (2025), Dai et al. (2025), Chen et al. (2025), Hou et al. (2025), Campbell & Lydeard (2026)
Cuneopsis (Procuneopsis) demangei — Dang et al. (1980)
Cuneopsis demangei — Haas (1969), Graf & Cummings (2007), Bogan (2010), IUCN (2011), Schneider et al. (2013), ... Hou et al. (2025), Dai et al. (2025), Chen et al. (2025), Hou et al. (2025), Campbell & Lydeard (2026)
Cuneopsis (Procuneopsis) demangei — Dang et al. (1980)