n.1.(Paleon.) An extinct marine reptile from the coal measures of Nova Scotia; - so named because supposed to be of the earliest known reptiles.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
11) was proclaimed "Eosaurus acadianus", but in an uncharacteristic show of restraint not until 1862, after input from Agassiz (1862).
Description of the remains of a new enaliosaurian (Eosaurus acadianus), from the coal formation of Nova Scotia.
What looks like a flower forest of Rousseau's is a nice vulgar expanse of Sears Roebuck linoleum, across which a bug makes his way, as important as an eosaurus traversing Yucatan.