I
Phylium: Articulate animals (Arthropoda)
Class: Crabs, krill, pill bugs, shrimp, and relatives (Malacostraca)
Order: crabs, shrimp, and relatives (Decapoda)
Species: Northern Shrimp (Pandalus borealis)
II
Fused head and thorax (Cephalothorax)
III
Carapace
IV
Antennas (one long pair and one short pair)
V
Abdomen
VI
"Spear" (Rostrum)
VII
Mandible
VIII
Tail fan
IX
4 uropods
X
5 pairs of walking legs (Pereiopods)
XI
5 pairs of swimming legs (Pleopods)
XII
Gills
XIII
Large surface, leads to better extraction of oxygen
XIV
Dorsal view
XV
Guts
XVI
Back blood vessel
XVII
Ventral view
XVIII
Eye
Compound eye, multiple lenses
