The reproductive biology of Kidderia (Kidderia) subquadratum
(Pelseneer, 1903) was studied from collections which were made at
Palmer Station, Antarctica during 1970 and 1971. Kidderia subquadratum
is a small lamellibranch (the largest observed was 6.8
mm long) found on rocky substrates in the intertidal and subtidal
zones of the Antarctic...