Fishionary

A blog about fish words!

By Abigail Lynch

A blog about fish words!

derived fishes

phylogeny

June 28, 2019 by abby

Phylogeny is the representation of evolutionary relationships, often displayed as a “tree” (i.e., branching diagram) where the most closely related organisms are connected by a node and more distantly related organisms have multiple steps back in the tree before they are connected.  Nodes are often characterized by biogeographic events and evolutionary innovations. In fishes, jawless … [Read more…]

Posted in: P Tagged: biogeography, chondrichthyes, ctenoid, cycloid, derived fishes, ganoid, genetics, osteichthyes, primitive fishes, rays, scales, sharks, swim bladder, teleost

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