1.6" Fossil Ammonite (Trachyscaphites) - Texas

This is a 1.6" fossil ammonite (Trachyscaphites spiniger) from Ladonia, Texas.

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.

What an ammonite would have looked like while alive.
What an ammonite would have looked like while alive.
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DETAILS
SPECIES
Trachyscaphites spiniger
LOCATION
Ladonia, Texas
FORMATION
Taylor Group
SIZE
1.6" wide
CATEGORY
ITEM
#104547
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