Student's Resources
Chordate Origins - Self Test Solutions

Specimens

A- Balanoglossus
B- Branchiostoma -
Amphioxus
C- Ammocoete larva

Labels

  1. Brain
  2. Buccal cirri
  3. Collar coelom
  4. Dorsal fin ray
  5. Endostyle
  6. Epibranchial groove
  7. Gill
  8. Gill bar
  9. Gill chamber
  10. Gill pouch
  11. Gill slit
  12. Nerve cord
  13. Glomerulus
  14. Heart
  1. Hyperpharyngeal ridge
  2. Hypopharyngeal ridge
  3. Mouth
  4. Myomere
  5. Nerve cord
  6. Notochord
  7. Oral hood
  8. Oral papilla
  9. Proboscis muscles
  10. Peripharyngeal band (Velum)
  11. Pharynx
  12. Proboscis coelom
  13. Stomocord
 

 

 
 

 

 
 

 

 

 

 

 

Cnidaria || || Nematoda || Annelida || Mollusca || Arthropoda
|| Chordate Origins || Jawed Fishes || Amphibia || Mammalia

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