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1.15" Fossil Goniatite (Anthracoceras) - Bear Gulch Limestone, Montana
This is a fossil goniatite of the species Anthracoceras sp. that was collected from the Bear Gulch limestone of Fergus County, Montana. The goniatite is 1.15" wide on a 3.4 x 2.8" slab of limestone.
It comes with an acrylic display stand.
It comes with an acrylic display stand.
Goniatites possessed a shell divided internally into chambers filled with gas for buoyancy. An open chamber at the front of the shell provided living space for the animal. The general morphology and habit of goniatites was probably similar to that of their later relatives the ammonites: they swam freely and possessed heads with two well developed eyes and arms.
SPECIES
Anthracoceras sp.
AGE
LOCATION
Fergus County, Montana
FORMATION
Bear Gulch Limestone - Heath Shale Formation
SIZE
1.15” wide goniatite on a 3.4 x 2.8" rock
CATEGORY
SUB CATEGORY
ITEM
#130253
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