Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Cristariina | Simpsonella

Lea, 1851. Proc. Zool. Soc. London 18: 198.
Lea, 1851. Ann. and Mag. 8: 494.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 238 [56], pl. 34, fig. 117.
Type(s): TYPE USNM_86602, Bongabon, Luzon, Phil. Is.
Dalliella crepera — Simpson (1900)
Simpsonella crepera — Simpson (1914), Haas (1914)
Simpsonella gracilis — Haas (1969)

Lea, 1851. Proc. Zool. Soc. London 18: 197.
Lea, 1851. Ann. and Mag. 8: 493.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 239 [57], pl. 34, fig. 119.
Type(s): SYNTYPES BMNH_1968657, Dingle, Isle of Panay.
Dalliella gracilis — Simpson (1900)
Simpsonella gracilis — Simpson (1914), Haas (1914), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2018), Graf & Cummings (2021), Sahidin et al. (2021)

Lea, 1851. Proc. Zool. Soc. London 18: 198.
Lea, 1851. Ann. and Mag. 8: 495.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 236 [54], pl. 33, fig. 115.
Type(s): HOLOTYPE USNM_86693, Laguna de Bay, Luzon, Phil. Is.
Dalliella subcrassa — Simpson (1900), Preston (1912)
Simpsonella subcrassa — Simpson (1914), Haas (1914)
Simpsonella gracilis — Haas (1969)

Lea, 1851. Proc. Zool. Soc. London 18: 198.
Lea, 1851. Ann. and Mag. 8: 494.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 7]: 237 [55], pl. 33, fig. 116.
Type(s): SYNTYPES BMNH_1963654, Sual, Luzon, Philippines.
Dalliella tenuis — Simpson (1900)
Simpsonella tenuis — Simpson (1914), Haas (1914)
Simpsonella gracilis — Haas (1969)
Drouët, 1892. J. de Conch. 40: 86.
Dalliella serradelli — Simpson (1900)
Simpsonella serradelli — Simpson (1914), Haas (1914), Haas (1919), Haas (1924)
Simpsonella gracilis — Haas (1969)
Sowerby, 1867. Conch. Icon. 17: pl. 8, sp. 17, fig. 16.
(reference to Anodonta crepera Lea, 1851)
Dalliella crepera — Simpson (1900)
Dalliella crepera — Simpson (1900)
Dalliella gracilis — Simpson (1900)
Dalliella subcrassa — Simpson (1900), Preston (1912)
Dalliella tenuis — Simpson (1900)
Dalliella serradelli — Simpson (1900)
Simpsonella crepera — Simpson (1914), Haas (1914)
Simpsonella gracilis — Simpson (1914), Haas (1914), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2018), Graf & Cummings (2021), Sahidin et al. (2021)
Simpsonella subcrassa — Simpson (1914), Haas (1914)
Simpsonella tenuis — Simpson (1914), Haas (1914)
Simpsonella serradelli — Simpson (1914), Haas (1914), Haas (1919), Haas (1924)