bactritid
Noun
Meaning
bactritid (plural bactritids)
Any cephalopod of the order †Bactritida of straight-shelled (orthoconic) cephalopods, that lived 410 to 230 million years age.
Noun
bactritid (plural bactritids)
Any cephalopod of the order †Bactritida of straight-shelled (orthoconic) cephalopods, that lived 410 to 230 million years age.