Mouldingia Solem, 1984 (original description)
Mouldingia occidentalis Solem, 1984 (original description)
Mouldingia orientalis Solem, 1984 accepted as Nanotrachia orientalis (Solem, 1984) (original description)
Ordtrachia Solem, 1984 (original description)
Ordtrachia australis Solem, 1984 (original description)
Ordtrachia grandis Solem, 1984 (original description)
Ordtrachia intermedia Solem, 1984 accepted as Nanotrachia intermedia (Solem, 1984) (original description)
Ordtrachia septentrionalis Solem, 1984 (original description)
Parrhagada Iredale, 1938 accepted as Westraltrachia Iredale, 1933 (source of synonymy)
Prototrachia Solem, 1984 (original description)
Prototrachia sedula Solem, 1984 (original description)
Westraltrachia Iredale, 1933 (basis of record)
Westraltrachia ampla Solem, 1984 (original description)
Westraltrachia ascita Solem, 1984 (original description)
Westraltrachia commoda (Iredale, 1939) (basis of record)
Westraltrachia cunicula Solem, 1984 (original description)
Westraltrachia derbyi (J. C. Cox, 1892) (basis of record)
Westraltrachia froggatti complanata Solem, 1984 (original description)
Westraltrachia incerta Iredale, 1939 accepted as Westraltrachia alterna Iredale, 1939 (source of synonymy)
Westraltrachia inopinata Solem, 1984 (original description)
Westraltrachia instita Solem, 1984 (original description)
Westraltrachia lievreana Solem, 1984 (original description)
Westraltrachia limbana Solem, 1984 (original description)
Westraltrachia oscarensis (J. C. Cox, 1892) (basis of record)
Westraltrachia pillarana Solem, 1984 (original description)
Westraltrachia porcata Solem, 1984 (original description)
Westraltrachia recta Solem, 1984 (original description)
Westraltrachia rotunda Solem, 1984 (original description)
Westraltrachia subtila Solem, 1984 (original description)
Westraltrachia tropida Solem, 1984 (original description)
Westraltrachia turbinata Solem, 1984 (original description)
Westraltrachia woodwardi (Fulton, 1902) (basis of record)
Zygotrachia Iredale, 1939 accepted as Westraltrachia Iredale, 1933 (source of synonymy)

Kimberley for Mouldingia occidentalis Solem, 1984  (origin: native)
Kimberley for Nanotrachia intermedia (Solem, 1984)  (origin: native)
Kimberley for Ordtrachia grandis Solem, 1984  (origin: native)
Kimberley for Prototrachia sedula Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia alterna Iredale, 1939  (origin: native - endemic)
Kimberley for Westraltrachia ampla Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia ascita Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia commoda (Iredale, 1939)  (origin: native - endemic)
Kimberley for Westraltrachia cunicula Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia derbyi (J. C. Cox, 1892)  (origin: native - endemic)
Kimberley for Westraltrachia froggatti (Ancey, 1898)  (origin: native - endemic)
Kimberley for Westraltrachia inopinata Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia instita Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia lievreana Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia limbana Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia oscarensis (J. C. Cox, 1892)  (origin: native - endemic)
Kimberley for Westraltrachia pillarana Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia porcata Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia recta Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia rotunda Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia subtila Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia tropida Solem, 1984 
Kimberley for Westraltrachia turbinata Solem, 1984  (origin: native - endemic)
Kimberley for Westraltrachia woodwardi (Fulton, 1902)  (origin: native - endemic)
Northern Territory for Ordtrachia australis Solem, 1984  (origin: native)
Northern Territory for Ordtrachia septentrionalis Solem, 1984  (origin: native)