Description
RARE Keichousaurus hui Fossil from the Guanling Formation, Triassic Period – Guizhou Province, China
This extraordinary fossil features the complete or near-complete remains of Keichousaurus hui, a marine reptile that lived approximately 240 million years ago during the Middle Triassic epoch. Unearthed from the world-famous Guanling Formation in Guizhou Province, China, this specimen is a rare and scientifically significant piece, perfect for fossil collectors, natural history enthusiasts, and educational displays.
Fossil Type & Species:
- Type: Vertebrate Fossil (Reptile)
- Species: Keichousaurus hui
- Order: Sauropterygia
- Superfamily: Pachypleurosauroidea
- Family: Keichousauridae
- Identified by: Originally described by Chinese palaeontologist Yang Zhongjian (Chung-Chien Young) in 1958
Geological Details:
- Formation: Guanling Formation
- Period: Triassic (Anisian Stage, Middle Triassic – approx. 247 to 237 million years ago)
- Zone/Biozone: Not formally assigned to a specific biozone but typical of the fossil-rich marine strata of the Anisian
- Depositional Environment: Shallow marine lagoon or shelf setting with fine-grained sedimentation, ideal for exceptional fossil preservation
Morphology & Features:
Keichousaurus hui is a small marine reptile resembling a lizard in body shape. It is characterized by:
- A long, slender neck with approximately 25 cervical vertebrae
- Four well-developed flipper-like limbs adapted for swimming
- A long tail used for propulsion
- Clearly defined ribs and vertebral column
- In some specimens, you can observe fine details such as skull structure and even gastralia (belly ribs)
This particular specimen exhibits excellent articulation and preservation, with visible limb bones, vertebrae, and overall body outline.
Specimen Details:
- Origin: Guanling Formation, Guizhou Province, China
- Species: Keichousaurus hui
- Age: Middle Triassic (Anisian Stage)
- Matrix: Fine-grained limestone slab
- Fossil Type: Full or near-complete articulated skeleton
- Size Reference: Scale rule square = 1cm (please see photo for full sizing)
- Note: You will receive the exact fossil specimen shown in the photographs
Authenticity & Quality:
We carefully select all our fossils based on scientific relevance, aesthetic quality, and authenticity. This specimen is 100% genuine and comes with a Certificate of Authenticity. The photo shows the actual fossil you will receive, not a stock image.
Why Choose This Fossil?
This Keichousaurus hui fossil is a standout example of Triassic marine reptile life, making it an ideal piece for:
- Palaeontological study
- Educational collections
- Museum-quality display
- Gifts for fossil enthusiasts or students
Shipping & Packaging:
We use eco-conscious, secure packaging to ensure your fossil arrives safely and in excellent condition. Fast and careful dispatch provided.
Add a genuine piece of prehistoric marine life to your collection with this stunning Keichousaurus hui fossil.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.






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