16 University of Califorma Publications in Zoology (Vou. 28 
Tergum 
Pp rocess 
cS 
\ Sternum of, Plevron 
h 
a 
= 
= 
2 
Fig. 2. Cross-section of a typical somite Fig. 3. Typical macruran mandible. 
(adapted from Calman). 
propodite 
dactylopodite 
carpopodite 
meropodite 
endopodite 
ischiopodite 
exopodile 
basipodit 
protopodite REAL 
coxopodite - : 
epipodite 
dactylopodite 
propodite } palp of maxilliped 
Carpopodite 
exognath 
(exopodite) 
endognoth 
(enddpodite) 
protopodite 
Fig. 5. Typical third maxilliped of a brachyuran (crab-like) deeapod (adapted 
from Brooks). 
> 
~” Branchial 
2 Cardicc' Meta- 
Cervical groove Branchio =cardiac groove 
Dorsal view showing regions on a brachyuran carapace (adapted 
Fig. 6. 
from Pearson). 
