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Fossil Ammonite (Promicroceras) Cluster on Limestone - Lyme Regis
This plate contains about 20 Promicroceras planicosta ammonite fossils, collected from Lyme Regis, England. They have been nicely prepared so that they display very well on the limestone. Comes with an acrylic/metal display stand to assist with presentation.
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
Promicroceras planicosta
LOCATION
Lyme Regis, Dorset, England
FORMATION
Lower Lias, Obtusum Zone
SIZE
1.1" largest ammonite, 6.9 x 6.2" rock
CATEGORY
SUB CATEGORY
ITEM
#171268
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