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  • noun

Words related to anaspid

extinct small freshwater jawless fish usually having a heterocercal tail and an armored head

References in periodicals archive ?
birkeniid anaspids, acanthodians Nostolepis striata Pander, Gomphonchus sandelensis (Pander), and Gomphonchus hoppei (Gross), and a taxon that has similarities with Thelodus parvidens Agassiz.