I created the figures below in 2020. Relationships/Species Richness likely require updates.
Vertebrata Tree
Actinopterygii Tree
Amniota Tree
Amphibia Tree
Amphibia Basic Anatomy
Anura Tree
Archelosauria Tree
Aves Tree
Caudata Tree
Chondrichthys Tree
Diapsida Basic Anatomy
"Fish" Basic Anatomy
Lepidosauria Tree
Mammalia Basic Anatomy
Mammalia Tree
Testudines Tree
2020 Lab Manual