Title: Phylum
1Phylum Chordata
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3- Phylum Chordata Fig 12.1
- Subphylum Urochordata
- tunicate tadpole larvae
- Note 4 chordate
- characteristics
- 1. Dorsal hollow nerve cord
- 2. Notochord
- 3. Gill Slits
- 4. Post-anal Tail (A)
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5Phylum Chordata Subphylum Cephalochordata Fig.
12.2, dorsal view Note dorsal fin rays (A),
myomeres (B), dorsal hollow nerve cord (nerve
tube (C), notochord (D), gill slits
bars (E)
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7Phylum Chordata Subphylum Cephalochordata Fig.
12.3, dorsal view Note fin ray (A), myomeres
(B), dorsal hollow nerve cord (nerve
tube) (C), notochord (D)
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9Phylum Chordata Subphylum Cephalochordata
Fig.12.3 cs- anterior region Note ovaries(A)
gill bars(B), gill slits(C), Pharynx (D),
endostyle (E), metapleural folds (F),
atrium (G)
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11Phylum Chordata Subphylum Cephalochordata
Fig.12.3, cs- posterior region Note myomeres
(A), ovaries (B), atrium (C), metapleural folds
(D),