Benthocardiella hamatadens Powell, 1930
Width 0.9mm, Height 0.9mm
Marine, Native - Endemic
Three Kings Islands, and north-eastern North Island, as far south as Cape Karikari, from 25-622m

Benthocardiella obliquata Powell, 1930
Width 12.1mm, Height 0.8mm
Marine, Native - Endemic
King Bank, Three Kings Islands, Cape Reinga and north-eastern North Island as far south as Tauranga, from 0-622m

Benthocardiella obliquata bountyensis Powell, 1933
Width 0.9mm, Height 0.8mm
Marine, Native - Endemic
Campbell, Antipodes and Bounty Islands, from 22-113m

Benthocardiella obliquata chathamensis Powell, 1933
Width 1.2mm, Height 0.9mm
Marine, Native - Endemic
Southern South Island, Stewart, Snares and Chatham Islands, from 0-360m

Benthocardiella orbicula Powell, 1930
Width 1.1mm, Height 1.1mm
Marine, Native - Endemic
Three Kings Islands, Cape Reinga and north-eastern North Island as far south-east as East Cape, from 18-252m

Benthocardiella pusilla Powell, 1930
Width 0.8mm, Height 0.8mm
Marine, Recent, Fossil, Native - Endemic
Middlesex Bank, Three Kings Islands, off Cape Reinga, north-eastern and south-western North Island, off Patea on west coast and as far south as Mayor Island on east coast, from 18-622m

Benthocardiella rakiura Powell, 1939
Width 1.2mm, Height 1.2mm
Marine, Native - Endemic
Stewart Island. In shell sand

Benthocardiella striatula Powell, 1931
Width 0.6mm, Height 0.6mm
Marine, Native - Endemic
Off Auckland Islands, trawled in 155 metres