1.8" Jurassic Ammonite (Divisosphinctes) Fossil - Madagascar

This is a 1.8" wide, Late Jurassic ammonite (Divisosphinctes besairiei) fossil collected near the town of Sakaraha in the Tulear Province of Madagascar.

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. True ammonites appeared in the fossil record about 240 million years ago. The last lineages disappeared 65 million years ago at the end of the Cretaceous.

DETAILS
SPECIES
Divisosphinctes besairiei
LOCATION
Near Sakaraha, Tulear Province, Madagascar
SIZE
1.8" wide
ITEM
#162616
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