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1.47" Pennsylvanian Fossil Gastropod (Trachydomia) - Illinois
This is a 1.47" fossil marine snail (Trachydomia sp.) from the Pennsylvanian age Des Moines Series near Atkinson. Illinois.
Gastropods, or snails, have been around since the Late Cambrian period. The class Gastropoda contains a vast total of named species, second only to the insects in overall number. There are 611 known families of gastropods, of which 202 families are extinct and appear only in the fossil record.
SPECIES
Trachydomia sp.
AGE
LOCATION
Atkinson, Illinois
FORMATION
Des Moines Series
SIZE
1.47" long
CATEGORY
ITEM
#211918
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