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January 15, 2009 / milesandhisfavorites

Miles’s Time Adventure 2:Silurian Seas

Hey!  Ever wonder what was on Earth before us?  We check out some giants in the Silurian.  At this time, the first jawless fish appeared on Earth.  We’re going after Brontoscorpio, a giant sea scorpion.  Also, check out this artist’s depiction of it.

 

That is wild!

That is wild!

So, let’s see some giant sea scorpions.  Whhhhhhhhhoooooooooooossssssssssssssshhhhhhhhhhhh!  Luckily, I went on a boat.  But let’s dive!  Splash!  Look!  Cephalapsis!

 

Meet the first jawless fish!

Meet the first jawless fish!

These seem to be running from-whoa!

 

Yes-it's a scorpion!

Yes-it's a scorpion!

 This is Pterygotus, another sea scorpion.  Except, it’s as large as a crocodile.  The largest arthropod ever.  This menace could easily kill Brontoscorpio.  Here’s why.  Cephalapsis has something Brontoscorpio does not-sensors.  The Cepalapsis can sense vibrations.  Looks like to these fish, size is nothing.  But wait-look!  The Brontoscorpio!  Over there!

 

Looks like land is now dominated!

Looks like land is now dominated!

Hard to believe, but soon these massive killers will shrink.  Meanwhile, Cephalapsis will undergo several stages of evolution until finally, the first reptiles will evolve.  But these lizards face an enemy their ancestors feared-the arthropods are back!  Next time, we meet evolutions newest masterpiece-reptiles.  And we see other killers-giant bugs.

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