septarian concretion

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Found this baby while packing up the photo room…. Ammonite & imprint within a Septarian Geode!

anonymous asked:

what's the meaning of "Septarsis" ?

It’s the race/species/clan Toffee, Rasticore and the other lizards are part of.

It has never been said in the show, just in the Guide book, and no one from the crew mentioned its meaning or origin. Fans have speculated it might be related to the septarian concretions, that are sometimes sold as dragon eggs, due to their appearance.