Abstract
Lingula anatina, the living inarticulate brachiopoda has been
reported in the present paper from the intertidal belt of
Subarnarekha estuary at the confluence of Bay of Bengal. The
genus Lingula being the oldest of all living genera is considered
as living fossil which reveals an ancient lineage to Pre- Cambrian
period. The morphological (shape and sizes of shell, pedicle,
muscle, lophophore, mantle digestive system, coelom,
nephridium and gonads etc) and microanatomical (Histological
features of different parts of body) studies of this newly
recorded species from West Bengal- Orissa coast, India have
been undertaken and presented.