The Avalon explosion
https://youtu.be/Jpi2VJj5PhY
Introduction to animal diversity
https://youtu.be/Tvrs9jA3SP0
Class video
https://youtu.be/kTjYBJnUXcg
Invertebrate diversity Part 1
https://youtu.be/CymI0LJquko
Invertebrate diversity part 2
https://youtu.be/RvyMBRquwEA
Invertebrate diversity part 3
https://youtu.be/GsF_pt18krk
Invertebrate diversity part 4
https://youtu.be/SiaIouBgzPc
Cephalochordates and urochordates
https://youtu.be/c4r2yf9t6V0