Very specific reference I am using for a similar creature however contains both a Canter and a Trot for a horse plus they decided to paint the skeletal stucture of the horse, onto the horse. Could also be useful for joint positioning during rigging.
Great find! Basic human and creature anatomy is absolutely essential for anything related to animating them.
For high quality 2d/anime animation https://www.sakugabooru.com/post You can also search up most animated features and anime. add genga as a tag to see breakdowns
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https://www.youtube.com/watch?v=q7j2d6YCQbg
https://youtu.be/zc2i77rAixU