Elasmosaurs - definition of elasmosaurs by The Free Dictionary
elasmosaur (redirected from elasmosaurs)
(Animals) a very long-necked extinct marine reptile: a type of plesiosaur
[C19: from Greek elasmos metal plate + sauros lizard]
References in periodicals archive
The reason the new find's shorter neck is so crucial is because since it lived at the same time as its longer-necked friends, that "[contradicts] the belief that elasmosaurs
did not evolve over millions of years to have longer necks.
The presence of a plesiosaur in non-marine strata on Axel Heiberg Island supports the suggestion that juvenile elasmosaurs frequently inhabited freshwater environments.
Two fossil adult elasmosaurs (NZGS CD425 and NZGS CD442) from New Zealand have been described as having teeth 35-40 mm long above the alveoli (Wiffen and Moisley, 1986).