Rare Fossil DHOSAITES ELEPHANTOIDES Ammonite Upper Oxfordian Jurassic Madagascar | Genuine Authentic

Description

Rare Fossil DHOSAITES ELEPHANTOIDES Ammonite – Upper Oxfordian, Jurassic: Madagascar

This is a stunning and rare specimen of the heteromorphic ammonite Dhosaites elephantoides from the Upper Oxfordian stage of the Late Jurassic period. Discovered in Madagascar, this fossil represents a remarkable example of Jurassic marine life and is a perfect addition for collectors, educators, or natural history enthusiasts.

Geological & Paleontological Details:

• Species: Dhosaites elephantoides
• Fossil Type: Ammonite (extinct marine cephalopod)
• Geological Period: Jurassic
• Stage: Upper Oxfordian (approx. 163 – 157 million years ago)
• Location Found: Madagascar
• Depositional Environment: Shallow epicontinental seas with carbonate sedimentation
• Order: Ammonitida
• Superfamily: Perisphinctoidea
• Family: Perisphinctidae
• Morphological Features: This genus is known for its robust, evolute coiling with prominent ribbing and a slightly elephantine appearance—hence the name elephantoides. The shell displays well-defined growth lines and characteristic ornamentation across the whorls.

Notable Characteristics: This specimen is especially notable for its size and preservation quality. These fossils are rarely found in such condition and provide valuable insight into the Oxfordian marine faunas of Gondwana. The genus Dhosaites is of biostratigraphic interest, though specific zonal correlations are limited.

Photographic Scale & Authenticity:

• Scale Rule Squares / Cube = 1cm: Full sizing can be referenced in the photo provided.
• The fossil shown is the exact specimen you will receive.
• All of our Fossils are 100% Genuine Specimens and come with a Certificate of Authenticity.

Add a rare and visually impressive ammonite fossil to your collection with this exquisite Dhosaites elephantoides from Madagascar—a true relic of Earth’s ancient marine past.