IRMNG Taxon list
Dickdellia labioflecta (Dell, 1990)
Frovina angularis Warén & Hain, 1996
Frovina indecora (Thiele, 1912)
Frovina soror Thiele, 1912
Prolacuna indecora (Thiele, 1912)
Prolacuna macmurdensis (Hedley, 1911)
Sublacuna indecora Thiele, 1912 accepted as Frovina indecora (Thiele, 1912)
Sublacuna trilirata Thiele, 1912 accepted as Trilirata macmurdensis (Hedley, 1911)
Trilirata herosae Warén & Hain, 1996
Trilirata macmurdensis (Hedley, 1911)
Trilirata sexcarinata Warén & Hain, 1996
Trilirata triregis Warén & Hain, 1996
Zerotula ammonitoides Powell, 1940 accepted as Omalogyra ammonitoides (Powell, 1940)
Zerotula antarctica (Numanami, 1996)
Zerotula bicarinata (Suter, 1908)
Zerotula coronata Warén & Hain, 1996
Zerotula crenulata Powell, 1937 accepted as Adeuomphalus crenulatus (Powell, 1937)
Zerotula hedleyi (Mestayer, 1916)
Zerotula incognita Warén & Hain, 1996
Zerotula nautiliformis Powell, 1927
Zerotula nummaria Powell, 1940
Zerotula ramosa Powell, 1940 accepted as Palazzia ramosa (Powell, 1940)
Zerotula stellapolaris Warén & Hain, 1996
Zerotula triangulata Powell, 1937