Sponge water flow
https://www.youtube.com/watch?v=pTZ211cIjX8
tour of the sponge
sponge guide
https://poriferatreeoflife.org/
Cayman sponges
https://www.youtube.com/watch?v=BW05vMziy2o&feature=youtu.be
nematocysts in action
jellyfish feeding
https://www.youtube.com/watch?v=bcmLxsJ5SAg
giant scyphozoan
https://www.youtube.com/watch?v=u0I-3wkH37w&t=62s
sea wasp
https://www.youtube.com/watch?v=WrMRwddl7iQ
halitrephs jelly
https://www.youtube.com/watch?v=9D0eyl7-XQA
planarians
https://www.youtube.com/watch?v=lxOrZ-ELv-k
FOD flukes
http://sauron.highlands.edu:2252/p_ViewVideo.aspx?xtid=55109&loid=226144
tape worms
https://www.youtube.com/watch?v=vnhFkZmRkw8
rotifers feeding
https://www.youtube.com/watch?v=PALgTXQOqQo
rotifer movement
https://www.youtube.com/watch?v=Ru52hIkLIic
ribbon worm vs polychaeta
https://www.youtube.com/watch?v=yVvZc_QgAC4&feature=youtu.be
bivalve impact on water quality
https://www.youtube.com/watch?v=saAy7GfLq4w&feature=youtu.be
Mollusca animation
http://www.biology.ualberta.ca/facilities/multimedia/uploads/zoology/Clam.html
mussel lure
https://www.youtube.com/watch?v=I0YTBj0WHkU
sea hare
https://www.youtube.com/watch?v=ncjsdShee5A
cone snails
https://www.youtube.com/watch?v=JjHMGSI_h0Q
octopus
http://www.arkive.org/common-octopus/octopus-vulgaris/video-08b.html
cuttlefish
http://www.arkive.org/common-cuttlefish/sepia-officinalis/video-08b.html
cephalopods
https://www.youtube.com/watch?v=5rqhomPaxhE
annelid body plan
leaches
http://sauron.highlands.edu:2252/p_ViewVideo.aspx?xtid=60489&loid=284976
nematodes
arthropod story
https://evolution.berkeley.edu/evolibrary/article/arthropodstory
sea star
https://www.shapeoflife.org/video/echinoderm-animation-sea-star-body-plan
feather star
https://www.youtube.com/watch?v=rRej1VKDgcE&feature=youtu.be
chordate evolution
https://www.youtube.com/watch?v=ypYesuV3PoI&feature=youtu.be