Paleontology #04
SHARKLIKE FISHES (CHONDRICHTHYES)
Origin of Paired Fins  Class CHONDRICHTHYES  Early (pre-Triassic) sharks    ++    Hybodontid sharks  Modern (Jurassic and later) sharks     |
rev. Sept. 2017
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Origin of Paired Fins Class CHONDRICHTHYES Early (pre-Triassic) sharks ++ Hybodontid sharks Modern (Jurassic and later) sharks |