Phyllodocida are segmented worms and range in size from a few millimetres long to over a metre.
The third group consists of the segmented worms, with bodies divided into segments, or rings.
It showed a white, segmented worm, burrowing blindly through the rock.
Another type of invertebrate aquatic animal is the annelids which are segmented worms.
They are the segmented worms, with over 17,0000 known species.
There are a few species, something like segmented worms, still to be seen in the backwaters of the central seas.
Tapeworms are flat segmented worms that live in the intestines of some animals.
Even the exceptionally ancient remains of Ediacara offer no clue about the connection between the segmented worms and the other early groups.
The first to make the move to land were descendants of the segmented worms.
The animal family Almidae includes about six genera of segmented worms.