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A radiation of fishes in the family Semionotidae is preserved in the sedimentary record of the great rift lakes that existed during the Late Triassic and Early Jurassic in eastern North America (Newark Supergroup)….
Semionotidae, adaptive radiation, rift lake deposits, Early Jurassic, Newark Supergroup, systematics, morphometrics
McCune, Amy R.. 1987. "Toward the phylogeny of a fossil species flock: Semionotid fishes from a lake deposit in the Early Jurassic Towaco Formation, Newark Basin." Bulletin of the Peabody Museum of Natural History , (43). https://elischolar.library.yale.edu/peabody_museum_natural_history_bulletin/43