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November 2017

Smokejacks quarry insects

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Photo above showing the piece of nodule I prepped out.

Below are some identification’s kindly passed onto me through the Natural History Museums (NaturePlus) website by palaeoentomologist, Dr. Andrew Ross. From finds found on the SDGS most recent visit to Smokejacks quarry.

(1a) A partial cockroach forewing (Blattulidae) lying below a beetle elytron (coincidence, not associated).

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(1b) A partial cockroach forewing (Blattulidae) lying below a beetle elytron (coincidence, not associated).

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A partial cockroach forewing (Blattulidae).

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A beetle elytron with fish vertebra

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Just for people that do not know. The sediments hold an incredible insect bed at Smokejacks Quarry and are from an Early Cretaceous environment. (Upper Weald Clay Formation – Barremian – 125 to 130 million years old) with studies showing that they were deposited in a lake/lagoon to a river mud plain environment.

AN EVENINGS TALK TITLED: JURASSIC SEA: FROM TINY LIFE TO GREAT SEA DRAGONS BY NAOMI STEVENSON

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Featured image titled…“Bait Ball” Museum of Jurassic Marine Life.

In a desperate attempt to avoid capture thousands of Thrissops fish swarm together into a bait ball. Trachyteuthis belemnites and Pectinatites ammonites also take action to leave the scene as three Ichthyosaurs (unnamed) hunt for prey. The youngest Ichthyosaur darts into the bait ball causing the Thrissops to separate and open a writhing circular window to the ocean surface above.

Used with kind permission from Paleocreations.com

Link for this event below:

JURASSIC SEA: FROM TINY LIFE TO GREAT SEA DRAGONS BY NAOMI STEVENSON

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