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Beautiful Ammonite Cluster (Asteroceras & Promicroceras) - England
This is a gorgeous cluster of three, exquisitely prepared ammonite fossils from the Lyme Regis region of England. There is a 1.4" wide Asteroceras obtusum and two smaller Promicroceras planicosta in close association. The rock around them has been painstakingly removed, so that they are displayed in high relief against the rock. The base of the rock has been cut flat so that it stands up nicely without the need for a display stand.
Ammonites were predatory cephalopod mollusks that resembled squids with spiral shells. They are more closely related to living octopuses, though their shells resemble that of nautilus species. True ammonites appeared in the fossil record about 240 million years ago during the Triassic Period. The last lineages disappeared 65 million years ago at the end of the Cretaceous.
SPECIES
Asteroceras obtusum & Promicroceras planicosta
LOCATION
Charmouth, Lyme Regis, Dorset, England
FORMATION
Lower Lias, Obtusum Zone
SIZE
Larger ammonite 1.4" wide, Rock 4.3x3"
CATEGORY
SUB CATEGORY
ITEM
#62903
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