Description
A stunning and rare Fossil Ammonite specimen: Paracoroniceras lyra from the Sinemurian Stage of the Early Jurassic, expertly preserved and collected from the iconic coastal exposures near Watchet, Somerset, United Kingdom. This is a genuine ammonite fossil with exceptional preservation of shell morphology, carefully selected to showcase the finest features of this extinct marine cephalopod.
The listing includes actual photographs of the fossil specimen you will receive. A 1cm scale rule cube is shown for accurate size reference. Please review the images for complete details on dimensions and preservation.
Geological & Palaeontological Information:
- Fossil Type: Ammonite
- Species: Paracoroniceras lyra (formally described by Waagen, 1869)
- Geological Period: Jurassic
- Stage: Sinemurian (~199–190 million years ago)
- Location: Watchet, Somerset, England, UK
- Depositional Environment: Shallow epicontinental marine basin with fine-grained sedimentation
- Ammonite Family: Coroniceratidae
- Superfamily: Psiloceratoidea
- Order: Ammonitida
- Zone (Inferred): Likely from the Oxynotum Zone or lower Sinemurian ammonite biozones, though exact subzone is location-dependent
- Morphological Features:
- Planispiral shell with prominent ribbing and fine lirae (lines)
- Evolute coiling (whorls not overlapping significantly)
- Strong ornamentation with a distinctive lyre-shaped rib pattern (hence the species name “lyra”)
- Often exhibits partial shell replacement by pyrite or calcite in some Watchet localities
Notable Points:
- Watchet is a classic UK fossil site renowned for well-preserved Lower Jurassic ammonites.
- Paracoroniceras lyra is highly sought after for its aesthetic ribbed pattern and historic significance in ammonite biostratigraphy.
Why This Fossil is Exceptional:
- Rare ammonite species with distinct, attractive morphology
- Verified UK provenance from a scientifically important locality
- Ideal for educational, scientific, or display collections
- Supplied with a Certificate of Authenticity for guaranteed origin and authenticity
- Ethically sourced and 100% natural
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All of our Fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. Guaranteed.
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