 | P.scaber cannot roll into a ball. When it is disturbed it tends to
quickly run away. |
|
 | Head "crown" shaped - the outer lobes being rounded |
|
 | There are two pairs of projections on the uropods although the inner
pair are much smaller. |
|
 | The posterior end of the plates of the exoskelton (pereiopods and pleonites) tend
to come to a sharp point rather than being rounded. |
|
 | Two pairs of pleopod lungs |
|
 | The outer margin of the plates of the exoskeleton are slightly reverse curved in
the upward direction - see picture at right (legs incomplete) |
|
 |