1. Class?
POLYPLACOPHORA
Chitons

2. Class ?
GENUS? Bivalvia
Dorsal
• Mercenaria
Anterior
adductor
muscle
Mantle Posterior
adductor
muscle
Ventral

3. Foot
Mantle
Cavity

4. Gills

5. Visceral mass

6. Mouth
Labial
palps

7. Heart

8. Excurrent
siphon
Incurrent
siphon

9. Digestive
gland
Gonad

10. Class?
Gastropoda
• what are the 3 animals?
Snails
Slugs
Nudibranchs

11. Subpyhlum?
Trilobita
Genus?
What is the picture
Fossils
Trilobite

12. Subphylum?
Class?
Chelicerata Merostomata
Genus?
Limulus
ANIMAL?
HORSESHOE CRAB mouth
chelate
Book gills

13. chelicerae

14. cephalothorax
Compound eye
abdomen
telson

15. Female Loligo
Ovary
Nidamental glands

16. Class?
Cephalopoda
GENUS?
Loligo
Systemic
heart

18. jaws radula

19. stomach
Buccal bulb
esophagus

20. Mantle
cavity dorsal
pen
gill
s

21. Siphon
retractor
muscle

22. mouth

23. collar

24. anterior
Ink sac
Visceral mass
siphon
posterior

25. Class?
Subphylum ?
Crustacea
Malacostraca Genus?
Eye Cambarus
mandible
Walking legs
chelipeds

26. Cephalothorax
gills
Green Glands
Digestive glands

27. intestines

28. Telson
Uropods

29. cephalothorax
abdomen
swimmerets