Traits Taxon list
Aaptolasma fosteri (Newman & Ross, 1971) accepted as Mesolasma fosteri (Newman & Ross, 1981)
Bathylasma alearum (Foster, 1978)
Bathylasma aucklandicum (Hector, 1887)
Bathylasma chilense Araya & Newman, 2018
Bathylasma corolliforme (Hoek, 1883)
Bathylasma hirsutum (Hoek, 1883)
Bathylasma rangatira Buckeridge, 1983
Hexelasma americanum Pilsbry, 1916
Hexelasma antarcticum Borradaile, 1916
Hexelasma arafurae Hoek, 1913
Hexelasma aureolum Jones, 2000
Hexelasma brintoni (Newman & Ross, 1971)
Hexelasma callistoderma Pilsbry, 1911
Hexelasma flavidum Jones, 2000
Hexelasma foratum Jones, 2000
Hexelasma globosum Jones, 2000
Hexelasma gracilis Foster, 1981
Hexelasma leptoderma (Newman & Ross, 1971)
Hexelasma nolearia Foster, 1978
Hexelasma persicum Jones, 2000
Hexelasma sandaracum Jones, 2000
Hexelasma triderma (Newman & Ross, 1971)
Hexelasma velutinum Hoek, 1913
Mesolasma fosteri (Newman & Ross, 1981)
Tessarelasma pilsbryi Withers, 1936 †
Tessarelasma southwardi Newman & Ross, 1971 †
Tetrachaelasma southwardi Newman & Ross, 1971
Tetrachaelasma tasmanicum Buckeridge, 1999