Description
A scientifically important and aesthetically remarkable Calycoceras tarrantense fossil ammonite, originating from the Lower Cenomanian stage of the Cretaceous Period, discovered in Texas, USA. This authentic and carefully selected piece measures approximately as shown in the photo, and forms part of the acclaimed Alice Purnell Collection, renowned for premium-quality paleontological specimens.
Geological & Scientific Details:
- Fossil Type: Ammonite (Extinct Marine Cephalopod)
- Species: Calycoceras tarrantense
- Age: Cretaceous Period – Lower Cenomanian (~100 million years ago)
- Location Found: Texas, United States
- Morphology Features: Moderately involute, ornamented with prominent ribs and tubercles characteristic of the genus Calycoceras
- Geological Stage: Lower Cenomanian
- Family: Acanthoceratidae
- Superfamily: Acanthoceratoidea
- Order: Ammonitida
- Depositional Environment: Marine shelf settings rich in calcareous sediments, part of the ancient Western Interior Seaway
Calycoceras tarrantense is a classic ammonite species from the North American Cretaceous record, often used in regional biostratigraphy and known for its well-developed ornamentation and robust shell.
This fossil has been thoroughly prepped and preserved, and the photo represents the actual item you will receive.
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 photograph for full sizing
- From the trusted and historic Alice Purnell Collection, ideal for collectors, educators, or museum-quality displays
A true geological treasure with scientific and visual appeal – a premium fossil for display or academic reference.
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