The Collaborative International Dictionary
Baculite
Baculite \Bac"u*lite\, n. [L. baculum stick, staff; cf. F. baculite.] (Paleon.) A cephalopod of the extinct genus Baculites, found fossil in the Cretaceous rocks. It is like an uncoiled ammonite.
Wiktionary
baculite
n. Any of the extinct genus (taxlink Baculites genus) of cephalopod heteromorph ammonites.