Cameroceras ("chambered horn") was a genus of cephalopod that lived during the Ordovician period. The shell of the giant Cameroceras had a total length estimated at 6 meters. They likely stalked and ambushed their prey or lied in wait, depending on how large they were.
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Jurassic Park Franchise
Cameroceras has not appeared in any films or novels.
Cameroceras appeared in the spin-off video game Jurassic Park 2: The Chaos Continues for Game Boy. It is referred to as "Cephalosaure".