5. stomach

7. Compound eye Antennule glands (green gland) heart stomach antenna intestine anus brain telson Flexor and extensor muscles uropods

8. gills

9. anus pedicellariae Pyloric caecum/digestive gland gonads ampulla Ampulla ridge Radial canal Lateral canal ossicles madreporite

10. mouth Oral part of starfish Tube feet Ambulacral grooves spines Eye spot Branchiae gills

11. ampulla Lateral canal Lateral canal Radial canal ossicles Pyloric caecum/ digestive gland podium

20. antennae cheliped Compound eye What segment?: Cephalothorax What is the segment? abdomen Walking legs (4 pairs) Antennule- smaller antennae Rostrum- In btw the antennae What is the exoskeleton? Carapace What is the name of the exoskeleton? tergum chelipoda

21. sternum Antennule- smaller antennae telson uropods uropods

89. P: Arthropoda SP: Chelicerata C: Arachnida P: Arthropoda Subp:Chelicerata C: Arachnida O: Scorpionida P: Arthropoda SP: Chelicerata C: Merostomata

92. P: Arthropoda Subphy: Crustacea C: Malacostraca Common name: rock crab P: Arthropoda Subphy: Crustacea C: Cirripedia Common name: Barnacles

93. P: Arthropoda Subphy: Uniramian C: Chilipoda Common name: centipede P: Arthropoda Subphy: Uniramian C: Diplopoda Common name: milipede

94. P: Arthropoda Subphy: Crustacea C: Malacostraca Common name: rock crab