{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

15. Chordates posted - 16 Phylum Chordata A Chordate...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
16. Phylum Chordata
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Subph. Urochordata Subph . Cephalochordata Class Myxini Cl. Chondrichthyes Cl. Dipnoi Cl. Actinistia Cl. Actinopterygii Cl. Reptilia Cl. Amphibia Cl. Cephalaspidomorphi 17 17 18 19 20 21 22 23 24 25 Cl. Mammalia 17. Notochord 17. Notochord A Chordate phylogeny
Background image of page 2
Pharyngeal gill slits Dorsal, tubular nerve cord Segmented muscles Notochord Postanal tail 17. Chordate traits Fig. 34.3
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
See fig. 34.2 Class Myxini Cl. Chondrichthyes Cl. Dipnoi Cl. Actinistia Cl. Actinopterygii Cl. Reptilia Cl. Amphibia Cl. Cephalaspidomorphi 17 17 18 19 20 21 22 23 24 25 Cl. Mammalia Subph. Urochordata Subph . Cephalochordata
Background image of page 4
Subphylum Cephalochordata Subphylum Cephalochordata 1. Fishlike body form 2. No appendages 3. Locomotion: undulation of body and tail Fig. 34.5 ‘Lancelet’ 1 cm
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Class Myxini Cl. Chondrichthyes Cl. Dipnoi Cl. Actinistia Cl. Actinopterygii Cl. Reptilia Cl. Amphibia Cl. Cephalaspidomorphi 17 17 18 19 20 21 22 23 24 25 Cl. Mammalia Subph. Urochordata Subph . Cephalochordata
Background image of page 6
http://www.ucmp.berkeley.edu/ http://www.ucmp.berkeley.edu/ chordata/urochordata.gif chordata/urochordata.gif Urochordata: Urochordata: Sea squirts Sea squirts
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
18. Cranium 18. Cranium Class Myxini Cl. Chondrichthyes Cl. Dipnoi Cl. Actinistia Cl. Actinopterygii Cl. Reptilia Cl. Amphibia Cl. Cephalaspidomorphi 17 17 18 19 20 21 22 23 24 25 Cl. Mammalia Subph. Urochordata Subph . Cephalochordata
Background image of page 8
Class Myxini Cl. Chondrichthyes Cl. Dipnoi Cl. Actinistia Cl. Actinopterygii Cl. Reptilia Cl. Amphibia Cl. Cephalaspidomorphi 17 17 18 19 20 21 22 23 24 25 Cl. Mammalia Subph. Urochordata Subph . Cephalochordata
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Class Myxini (hagfishes) Class Myxini (hagfishes) Cartilaginous skull surrounds brain Notochord No appendages http://people.whitman.edu/~yancey/hagfish.jpg http://people.whitman.edu/~yancey/hagfish.jpg
Background image of page 10
19. Vertebral 19. Vertebral column column Class Myxini Cl. Chondrichthyes Cl. Dipnoi Cl. Actinistia Cl. Actinopterygii Cl. Reptilia Cl. Amphibia Cl. Cephalaspidomorphi 17 17 18 19 20 21 22 23 24 25 Cl. Mammalia Subph. Urochordata Subph .
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}