Bivalvia | Unionida | Unionoidea | Unionidae | Parreysiinae | Indochinellini | Scabies
25 specimens + 13 GenBank vouchers

Lea, 1856. Proc. Acad. Nat. Sci. 8: 93.
Lea, 1857. Jour. Acad. Nat. Sci. 3 [O. 6]: 296 [16], pl. 26, fig. 10.
Type(s): LECTOTYPE USNM_84153, Siam.
Nodularia (s.s.) cærulea — Simpson (1900)
Nodularia (s.s.) caerulea — Preston (1912), Simpson (1914)
Nodularia (s.s.) caeruleus — Preston (1915)
Indonaia caerulea — Haas (1969)
Scabies crispata — F.R. Woodward (1969)
Indonaia humilis — Brandt (1974), Kittivorachate & Yangyuen (2004)
Parreysia (Radiatula) humilis — Graf & Cummings (2007)
Parreysia humilis — IUCN (2012)
Radiatula aff. humilis sp. 1 — Bolotov et al. (2017), Bolotov et al. (2017), Huang et al. (2019)
“Radiatula aff. humilis sp. 2” ** — Bolotov et al. (2017), Bolotov et al. (2017), Huang et al. (2019)
“Radiatula aff. humilis sp. 3” ** — Bolotov et al. (2017), Huang et al. (2019)
Radiatula humilis — Zieritz et al. (2018), Bolotov et al. (2018), Pfeiffer et al. (2018), Chen et al. (2026)
“Radiatula humilis sp. 2” ** — Bolotov et al. (2018)
“Radiatula humilis sp. 3” ** — Bolotov et al. (2018)
Scabies humilis — Konopleva et al. (2019), Jeratthitikul et al. (2019), Bolotov et al. (2020), Graf & Cummings (2021), Bolotov et al. (2022), Bolotov et al. (2022), Konopleva et al. (2023), Bolotov et al. (2024), Campbell & Lydeard (2026)
“Scabies aff. humilis sp. 3” ** — Konopleva et al. (2019)
Radiatula aff. humilis — Ortiz-Sepulveda et al. (2020)
“Radiatula aff. humilis” ** — Ortiz-Sepulveda et al. (2020)
“Radiatula aff. humilis” ** — Ortiz-Sepulveda et al. (2020)
(error for Unio humilis Lea, 1856)
‘Lea’ F.R. Woodward, 1969. Vid. Medd. Dansk Naturh. Foren. 132: 54.
Nodularia (s.s.) cærulea — Simpson (1900)
Nodularia (s.s.) caerulea — Preston (1912), Simpson (1914)
Nodularia (s.s.) caeruleus — Preston (1915)
Indonaia caerulea — Haas (1969)
Scabies crispata — F.R. Woodward (1969)
Indonaia humilis — Brandt (1974), Kittivorachate & Yangyuen (2004)
Parreysia (Radiatula) humilis — Graf & Cummings (2007)
Parreysia humilis — IUCN (2012)
Radiatula aff. humilis sp. 1 — Bolotov et al. (2017), Bolotov et al. (2017), Huang et al. (2019)
“Radiatula aff. humilis sp. 2” ** — Bolotov et al. (2017), Bolotov et al. (2017), Huang et al. (2019)
“Radiatula aff. humilis sp. 3” ** — Bolotov et al. (2017), Huang et al. (2019)
Radiatula humilis — Zieritz et al. (2018), Bolotov et al. (2018), Pfeiffer et al. (2018), Chen et al. (2026)
“Radiatula humilis sp. 2” ** — Bolotov et al. (2018)
“Radiatula humilis sp. 3” ** — Bolotov et al. (2018)
Scabies humilis — Konopleva et al. (2019), Jeratthitikul et al. (2019), Bolotov et al. (2020), Graf & Cummings (2021), Bolotov et al. (2022), Bolotov et al. (2022), Konopleva et al. (2023), Bolotov et al. (2024), Campbell & Lydeard (2026)
“Scabies aff. humilis sp. 3” ** — Konopleva et al. (2019)
Radiatula aff. humilis — Ortiz-Sepulveda et al. (2020)
“Radiatula aff. humilis” ** — Ortiz-Sepulveda et al. (2020)
“Radiatula aff. humilis” ** — Ortiz-Sepulveda et al. (2020)