Home › Words › B › bactritidbactritidbactritid · noun — any cephalopod of the order †Bactritida of straight-shelled (orthoconic) cephalopods, that lived 410 to 230 million years age.Definition from Wiktionary (CC BY-SA 3.0).EtymologySee New Latin bactris, Ancient Greek βάκτρον (báktron, “staff, cudgel”)nounAny cephalopod of the order †Bactritida of straight-shelled (orthoconic) cephalopods, that lived 410 to 230 million years age.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.bactritoid 88% match — Any of the order †Bactritida of extinct cephalopods. vs bactritid →baltoceratid 66% match — Any of the extinct cephalopods in the family Baltoceratidae. vs bactritid →bactriticone 65% match — A shell which has a straight cone shape, like certain primitive Ammonoidea. vs bactritid →actinocerid 65% match — Any extinct cephalopod of the order †Actinocerida vs bactritid →actinoceratid 64% match — Any of the extinct cephalopods in the family †Actinoceratidae. vs bactritid →baculite 63% match — Any of the genus †Baculites of extinct cephalopod heteromorph ammonites. vs bactritid →baculitid 61% match — Any of the extinct ammonites in the family Baculitidae. vs bactritid →bathyteuthid 60% match — Any of the deep ocean squids in the family Bathyteuthidae. vs bactritid →