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At the moment I find myself obsessed with the fact the parrotfish-like latimeriids existed. You're welcome. #paleontology #sarcopterygians #fossilfriday
#SpecEvo of hexaped vertebrates. The idea being that a lineage of sarcopterygians add their anal fin as a third pair of legs. Interesting implication is that the creatures probably wouldn't have vital organs past the pelvic limbs (shown in green)