However it is not certain if the specimens were alive when attacked or whether sharks were feeding on carcasses of deceased plesiosaurimorphs .
Evidence of this comes from several cases of shark teeth being found with plesiosaurimorph specimens .
It is not certain if the specimens were alive when attacked or whether sharks were feeding on carcasses of deceased plesiosaurimorphs .
Evidence of this comes from several cases of shark teeth being found with plesiosaurimorph specimens .