S8 Ep430: Thomas Halliday describes the Jurassic period in Europe featuring a massive sponge reef system and floating logs colonized by sea lilies, then visits the Triassic Madygen Formation in Kyrgyzstan preserving the gliding reptile Sharovipteryx.
S8 Ep430: Thomas Halliday describes the Jurassic period in Europe featuring a massive sponge reef system and floating logs colonized by sea lilies, then visits the Triassic Madygen Formation in Kyrgyzstan preserving the gliding reptile Sharovipteryx.  
Podcast: The John Batchelor Show
Published On: Sun Feb 08 2026
Description: Thomas Halliday describes the Jurassic period in Europe featuring a massive sponge reef system and floating logs colonized by sea lilies, then visits the Triassic Madygen Formation in Kyrgyzstan preserving the gliding reptile Sharovipteryx.