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Endoceras, the other Giant Orthocone

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While it isn’t a 30 foot colossus, the Endoceras (meaning “inner horn”) is another Nautiloid (shelled mollusk) that could or could have not been a top predator in the Ordovician times (6 periods before the Cretaceous era when the T-Rex was alive, or approximately 460 Million years ago.)

It averaged to around the size of 3.5 meters (13 feet long), although the upper estimate of this creature extended to around 20 feet long, around the size of a large Great White Shark. The heads are speculative because unfortunately Facebook and Instagram didn’t exist 460 million years ago, and the Endoceras didn’t really take many selfies.

Not very much study is done on the Endoceras, due to the fact that it is greatly overshadowed by the Cameroceras, the literal measuring stick used to judge prehistoric mollusk size. Endoceras were huge, and plentiful, but “not as big as the Cameroceras”, and was never even featured in a television special, leaving this massive cephalopod in the dark. However, like all cephalopods, it doesn’t mind the dark, because that’s where NIGHTMARES BELONG, this thing is a god damn MONSTER. Younger Endoceras employed the mobile pursuit strategies or chasing down vulnerable prey, and as their shell got longer with age, they eventually became ambush predators to conserve their energy, probably using the darkness of the seas as cover.

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DinoDilopho's avatar
AAhh!! that's so scary!! o_o