Class Polyplacophora    Chitons
Class Bivalvia                            Dorsal• Mercenaria     Anterior     adductor     muscle                  Mantle ...
Foot       Mantle       Cavity
Gills
Visceral mass
Mouth        Labial        palps
Heart
Excurrentsiphon   Incurrent   siphon
Digestivegland            Gonad
Class Gastropoda•         nudibranchs
Subphylum:Trilobita     Trilobite
Subphylum: Chelicerata  Class: Merostomata        Limulus             mouth                        chelate                ...
chelicerae
cephalothorax                              Compound eye                         abdomentelson
Class Cephalopoda           LoligoSystemic   heart
intestines
gills
Mantle       cavity         dorsal                pengills
Siphonretractormuscle
Female Loligo                            OvaryNidamental glands
anterior              Ink sac                        Visceral mass                             siphon  posterior
jaws   radula
stomachBuccal bulb              esophagus
mouth
collar
Bio practical 142 #2 =]
Bio practical 142 #2 =]
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Bio practical 142 #2 =]

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Bio practical 142 #2 =]

  1. 1. Class Polyplacophora Chitons
  2. 2. Class Bivalvia Dorsal• Mercenaria Anterior adductor muscle Mantle Posterior adductor muscle Ventral
  3. 3. Foot Mantle Cavity
  4. 4. Gills
  5. 5. Visceral mass
  6. 6. Mouth Labial palps
  7. 7. Heart
  8. 8. Excurrentsiphon Incurrent siphon
  9. 9. Digestivegland Gonad
  10. 10. Class Gastropoda• nudibranchs
  11. 11. Subphylum:Trilobita Trilobite
  12. 12. Subphylum: Chelicerata Class: Merostomata Limulus mouth chelate Book gills
  13. 13. chelicerae
  14. 14. cephalothorax Compound eye abdomentelson
  15. 15. Class Cephalopoda LoligoSystemic heart
  16. 16. intestines
  17. 17. gills
  18. 18. Mantle cavity dorsal pengills
  19. 19. Siphonretractormuscle
  20. 20. Female Loligo OvaryNidamental glands
  21. 21. anterior Ink sac Visceral mass siphon posterior
  22. 22. jaws radula
  23. 23. stomachBuccal bulb esophagus
  24. 24. mouth
  25. 25. collar

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