Anisodonta alata (Powell, 1952) Width 10mm, Height 5.5mm Marine, Native - Endemic North-eastern and south-western North Island, and South, Stewart, Auckland and Chatham Islands ACFMAn |
Anisodonta alata trigonia (Powell, 1952) Width 4.8mm, Height 3.5mm Marine, Native - Endemic, Shorter and more trigonal than alata and has the umbonal-ventral ridge stronger and distinctly angulate Off Campbell Island An |
Anisodonta pseudoscintilla Ponder, 1971 Width 7.3mm, Height 4.7mm Marine, Native - Endemic South-eastern South Island and Chatham Islands FM |