1.3" Ordovician Gastropod (Clathrospira) Fossil - Wisconsin

This is a 1.3" wide example of Clathrospira subconica, an Ordovician-aged species of gastropod. This fossil is part of an old collection from the Grand Detour Formation in Beloit, Wisconsin. It has been exposed from the rock it was found in.

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.
FOR SALE
$15
DETAILS
SPECIES
Clathrospira subconica
LOCATION
Beloit, Wisconsin
FORMATION
Grand Detour Formation
SIZE
1.3" wide gastropod on 3.15 x 1.9" rock
CATEGORY
ITEM
#224279
GUARANTEE
We guarantee the authenticity of all of our specimens.