Trionyx Fossil Turtle Shell – Eocene Barton Beds Hampshire UK, Genuine Softshell Turtle Fossil

Description

An exceptional and rare Trionyx fossil turtle shell discovered in the Barton Formation (Barton Beds), dating to the Eocene Epoch (~40 million years ago). This impressive specimen was collected by our dedicated fossil team members Alister and Alison on 08 June 2024 from Barton-on-Sea, Hampshire, and has been professionally cleaned, prepped, and treated by Alison.

Trionyx is a genus of extinct softshell turtles within the family Trionychidae, known for their leathery shells and aquatic adaptations. Their fossils are rarely found complete, making this partial shell specimen a significant and highly desirable piece.

Fossil Type: Turtle Shell (Reptile – Trionychidae)

Genus: Trionyx

Geological Age: Eocene – Bartonian Stage

Formation: Barton Formation (Barton Clay)

Depositional Environment: The Barton Beds were laid down in a shallow, subtropical marine to marginal marine environment with estuarine influence. These coastal systems were rich in life and conducive to the preservation of both marine and nearshore vertebrates.

Morphological Features:

• Flattened carapace (shell) fragments typical of softshell turtles
• Possible preserved margin or plastron elements
• Mineralised bone texture visible under close inspection

Notable:

• Rare Eocene turtle fossil from a classic British fossil site
• Discovered and prepared by our own team with full provenance
• Ideal for collectors, display, or educational use
• The exact specimen shown is the one you will receive

Authenticity: All of our fossils are 100% genuine natural specimens and come with a Certificate of Authenticity. The scale cube in the image equals 1cm – please refer to the photo for full sizing.

This Trionyx fossil turtle shell from the Eocene of Barton-on-Sea offers a rare and scientifically valuable glimpse into the reptilian life of Britain’s ancient coastal environments. A standout piece for collectors and fossil enthusiasts.