2.3" Translucent Ammonite (Asteroceras) Fossil - Dorset, England

 
 
This is a beautifully prepared, 2.3" wide Asteroceras obtusum ammonite fossil from the Lyme Regis region of England. Most of the shell is preserved as a translucent, yellow calcite. During preparation the rock has been removed from behind the ammonite so that it can be back-lit with a light source causing it to glow. The surrounding limestone has been aesthetically sculpted into it's own display base.

Ammonites were predatory mollusks that resembled a squid with a shell. These cephalopods had eyes, tentacles, and spiral shells. They are more closely related to a living octopus, though the shells resemble that of a nautilus. Ammonites appeared in the fossil record about 240 million years. The last lineages disappeared 65 million years ago at the end of the Cretaceous.

FOR SALE
$275
DETAILS
SPECIES
Asteroceras obtusum
LOCATION
Black Ven, Charmouth, Lyme Regis, Dorset, England
FORMATION
Lower Lias, Obtusum Zone
SIZE
Ammonite 2.3" wide. Entire specimen 4.7 x 3.5"
ITEM
#171267
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