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PARTIAL AMMONITE SHOWING EVIDENCE OF REPTILE ATTACK - JURASSIC, GLOUCESTERSHIRE.
PARTIAL AMMONITE SHOWING EVIDENCE OF REPTILE ATTACK - JURASSIC, GLOUCESTERSHIRE. PARTIAL AMMONITE SHOWING EVIDENCE OF REPTILE ATTACK - JURASSIC, GLOUCESTERSHIRE. PARTIAL AMMONITE SHOWING EVIDENCE OF REPTILE ATTACK - JURASSIC, GLOUCESTERSHIRE. PARTIAL AMMONITE SHOWING EVIDENCE OF REPTILE ATTACK - JURASSIC, GLOUCESTERSHIRE.
 

PARTIAL AMMONITE SHOWING EVIDENCE OF REPTILE ATTACK - JURASSIC, GLOUCESTERSHIRE.


Lytoceras fimbriatum Sowerby.

Part of the outer whorl of an Ammonite. Towards the distal end on the outside is a large depressed area of shell. On either side are the grooves made by two teeth raking down into the shell and leaving a raised area in between. This shows that the ammonite was attacked whilst swimming along and the predator sunk two teeth into it which then dragged along the shell. There are only two possible candidates for suck an attack - an Ichthyosaur or a Plesiosaur. The close proximity of the two teeth might just favour a Plesiosaur as they have protruding teeth at the very front of their jaws. An exceptionally good example of Ammonite predation. Really rare and unusual.

Jurassic, Lower Pliensbachian, Ibex Zone.
Blockley brickworks, Gloucestershire.

Ammonite section : 15.5 cm.  Damaged area of shell  3.8 x 4 cm.



Our Price: £30.00




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