IRMNG Taxon list
Toweius W.W. Hay & H. Mohler, 1967 †Toweius africanus (Perch-Nielsen, 1980) Perch-Nielsen, 1984 †Toweius callosus Perch-Nielsen, 1971 †Toweius crassus (Bramlette & Sullivan, 1961) Perch-Nielsen, 1984 †Toweius craticulus Hay & Mohler, 1967 †Toweius pertusus (Sullivan, 1965) Romein, 1979 †Toweius eminens (Bramlette & Sullivan, 1961) Perch-Nielsen, 1971 †Toweius gammation (Bramlette & Sullivan, 1961) Romein, 1979 †Toweius magnicrassus (Bukry, 1971) Romein, 1979 †Toweius occultatus (Locker, 1967) Perch-Nielsen, 1971 †Toweius pertusus (Sullivan, 1965) Romein, 1979 †Toweius petalosus Ellis & Lohmann, 1973 †Prinsius petalosus (Ellis & Lohmann, 1973) Romein, 1979 †Toweius selandianus Perch-Nielsen, 1979 †Toweius tovae Perch-Nielsen, 1971 †
