Slide 1Chordate and Vertebrate Origins Slide 2 All are suspension feeding marine organisms Protochordates Phylum Hemichordata: acorn worms (Balanoglossus) Subphylum Urochordata:…

Slide 1 Early Chordates, Craniate and vertebrate origins Where does it start? Part 1 Slide 2 Phylum Chordata Slide 3 Animal Kingdom Vertebrates over here Slide 4 Chordata…

Slide 1 Vertebrate Origins Slide 2 Vertebrates are but a single subphylum within the chordates. What defines a chordate? Notochord at some stage of development. Dorsal hollow…

3/28/05 1st after spring break Phylum Chordata Fig. 34.1 4 unifying anatomical features of chordates Notochord Dorsal hollow nerve cord Fig. 34.2 Pharyngeal slits Muscular,…

Slide 1 Early Chordates, Craniate and vertebrate origins Where does it start? Part 1 Phylum Chordata 2 Animal Kingdom Vertebrates over here Chordata (animals with notochord…