Description
RARE Wrens Nest Dudley Crinoid Calyx – Eucalyptocrinites decoratus
Geological Age: Silurian (~423 to 419 million years ago)
Formation: Much Wenlock Limestone Formation
Location: Wren’s Nest, Dudley, West Midlands, UK
Certificate of Authenticity Included
Scale Rule Squares / Cube = 1cm
Full sizing details in the photo
This Eucalyptocrinites decoratus crinoid calyx fossil is a rare and exceptional specimen from the Silurian period. It was discovered in the Much Wenlock Limestone Formation at Wren’s Nest, Dudley, West Midlands, UK, a renowned Silurian fossil site. This specimen is a remarkable example of the Eucalyptocrinites decoratus, a crinoid species that lived in the Silurian seas, showcasing the intricate preservation of this ancient marine organism.
Species and Morphology Information:
- Species: Eucalyptocrinites decoratus
- Geological Age: Silurian (~423 to 419 million years ago)
- Depositional Environment: The Much Wenlock Limestone Formation represents an ancient marine environment, where crinoid species like Eucalyptocrinites decoratus thrived. The Wren’s Nest site is renowned for the preservation of Silurian marine fossils, including crinoid calyxes.
- Morphology Features: The fossil displays a well-preserved crinoid calyx, showing the complex structure of the calyx and stem attachment of the Eucalyptocrinites decoratus. Crinoids are marine organisms known for their flower-like appearance, and their calyx houses the feeding and reproductive organs. This fossil features fine preservation of the skeletal structure and the attachment points that were once part of a stalked crinoid.
- Notable Features: This crinoid calyx is highly sought after for its exceptional preservation and the rarefied nature of the Eucalyptocrinites decoratus species, which is often found in the Much Wenlock Limestone Formation. The fossil displays detailed features of the crinoid’s calyx and is a perfect specimen for both collectors and paleontologists.
- Family: Eucalyptocrinitidae
- Superfamily: Eucalyptocrinoidea
- Order: Crinoidea
- Biozone: The Much Wenlock Limestone represents a Silurian marine biozone, rich in crinoids, corals, and other marine organisms. This zone was home to marine ecosystems that contributed to the rich fossil record of the Silurian period.
Size and Visuals:
The Eucalyptocrinites decoratus crinoid calyx fossil measures approximately X inches/cm (as shown in the photos). The scale rule cube in the image represents 1cm, allowing you to accurately assess the size and proportions of the fossil.
Authenticity and Certification:
This Eucalyptocrinites decoratus fossil crinoid calyx is 100% genuine, and it comes with a Certificate of Authenticity. The certificate confirms that the specimen was sourced from the Much Wenlock Limestone Formation in Wren’s Nest, Dudley, West Midlands, UK, and dates back to the Silurian period.
Why Buy This Fossil:
- Authentic and Genuine: This fossil comes with a Certificate of Authenticity, confirming its UK origin and Silurian age.
- Perfect for Collectors: A rare and well-preserved specimen that will be a standout addition to any fossil collection, especially for those interested in Silurian crinoids and marine fossils.
- Educational Value: This Eucalyptocrinites decoratus crinoid calyx provides an excellent opportunity to study ancient marine ecosystems from the Silurian period and the preservation of marine life.
- Unique Display Piece: The intricate preservation of the crinoid calyx makes this fossil an eye-catching addition to any natural history or fossil display.
Note: The photo shown is of the actual specimen you will receive. The scale cube in the image represents 1cm, and full-size details are provided through the photos.





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