Description
EXCEPTIONALLY RARE MUSEUM-GRADE PACHYCORMUS FOSSIL FISH
This is a superb and museum-grade specimen of the extinct ray-finned fish Pachycormus, recovered from the renowned Posidonia Shale (Posidonienschiefer) of Holzmaden, Swabian Jura, Stuttgart, Germany. Dating to the Toarcian Stage of the Lower Jurassic (Upper Lias), approximately 182 million years ago, this fossil is a classic representation of one of the most iconic fish taxa from the Holzmaden conservation lagerstätten.
Fossil Details:
- Species: Pachycormus sp.
- Type: Fossilized ray-finned fish (Actinopterygii)
- Age: Lower Jurassic, Toarcian Stage (Upper Lias)
- Formation: Posidonia Shale (Posidonienschiefer)
- Location: Holzmaden, Swabian Jura, Stuttgart, Germany
- Depositional Environment: Anoxic marine basin with fine-grained sediment leading to exceptional preservation of skeletal and scale details
- Morphological Features: Streamlined body form with elongated pectoral fins; characteristic of fast-swimming predatory Pachycormus species
- Notable: Excellent articulation and preservation; specimens from this locality are highly valued for their scientific and aesthetic qualities
- Scale Reference: Scale rule in photo; 1cm squares/cube for full sizing reference
Geological Context: The Posidonia Shale of Holzmaden is one of the most famous fossil deposits globally, celebrated for its exquisite preservation of Early Jurassic marine life. The anoxic conditions of this depositional environment created ideal circumstances for conserving marine vertebrates such as Pachycormus in exceptional detail.
Additional Information:
- All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity.
- Full mounting plates included for optional wall hanging display.
- The fossil pictured is the exact specimen you will receive.
Taxonomic Classification:
- Order: Pachycormiformes
- Superfamily: Pachycormoidea
- Family: Pachycormidae
- Genus: Pachycormus
This is a rare opportunity to acquire a beautifully preserved Pachycormus fossil fish from the legendary Holzmaden Posidonia Shale. A perfect specimen for collectors, museums, or educational displays.






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