2.5" Fossil Ammonite (Calycoceras) - Texas

This is a 2.5" fossil ammonite (Calycoceras) from Dallas County, Texas. It is in good condition with the outer shell missing in areas that allow the intricate inner shell sutures to be seen.

Comes with an acrylic stand.



Ammonites were predatory mollusks that resembled a squid with a shell. These cephalopods had eyes, tentacles, and spiral shells. They are more closely related to a living octopus, though the shells resemble that of a nautilus. Ammonites appeared in the fossil record about 240 million years ago and they barely survived several major extinction events. The last lineages disappeared 65 million years ago at the end of the Cretaceous.

FOR SALE
$25
DETAILS
SPECIES
Calycoceras tarrantense
LOCATION
Dallas County, Texas
FORMATION
Woodbine Group
SIZE
2.5" wide
CATEGORY
ITEM
#117209
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