Description
An impressive and rare fossil specimen of the heteromorph ammonite Eopachydiscus laevicaniculatum, sourced from the Albian stage of the Cretaceous period, discovered in Ft. Worth, Texas, USA. Measuring 7.5 inches in diameter, this beautifully preserved ammonite hails from the prestigious Alice Purnell Collection, known for its expertly curated and authentic fossil specimens.
Eopachydiscus laevicaniculatum is a member of the family Pachydiscidae, within the superfamily Desmoceratoidea. The genus is known for its large, thick, and compressed shells with relatively smooth surfaces and fine growth lines or shallow canaliculate (grooved) patterns on the shell. These features give it a distinct appearance, making it highly desirable among collectors of North American Cretaceous fossils.
Geological & Scientific Details:
- Scientific Name: Eopachydiscus laevicaniculatum
- Fossil Type: Ammonite
- Geological Period: Cretaceous
- Geological Stage: Albian (Lower Cretaceous)
- Location Found: Ft. Worth, Texas, USA
- Order: Ammonitida
- Superfamily: Desmoceratoidea
- Family: Pachydiscidae
- Morphological Features: Thick, discoidal shell; smooth flanks; subtle canaliculate ornamentation; rounded to compressed venter
- Depositional Environment: Shallow marine shelf of the Western Interior Seaway, a warm epicontinental sea during the Albian
This is an excellent collector’s specimen representing mid-Cretaceous ammonoid diversity from the North American continent. Ideal for both private collections and academic study, especially due to its size and preservation quality.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Please Note:
- Scale Rule Squares / Cube = 1cm – please refer to the photos for full sizing
- You will receive the exact fossil pictured
- From the renowned Alice Purnell Collection
A stunning fossil ammonite from the heart of Texas — a rare opportunity to own a scientifically significant and visually appealing piece of Earth’s deep history.






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