RARE Enrolled Brongniartella minor Trilobite Fossil – Caradoc Stage, Ordovician – Coed Maes Newyddion, Eryri, Wales – Certified Genuine

Description RARE Enrolled Brongniartella minor Trilobite Fossil Caradoc Stage, Ordovician Period – Coed Maes Newyddion, Eryri (Snowdonia), Wales An exceptional and rare example of an enrolled trilobite fossil from the Caradoc-aged rocks of Coed Maes Newyddion in the Eryri (Snowdonia) region of North Wales. This specimen is identified as Brongniartella minor, a distinctive trilobite from the Middle to Late Ordovician and notable for its compact, tightly enrolled preservation. This well-preserved fossil captures the ancient defensive posture of trilobites, coiled into a ball to protect their soft undersides—making this a prized example of behavioral fossil evidence. Geological & Stratigraphic Information: Formation/Locality: Coed Maes Newyddion, Eryri (Snowdonia), Wales Geological Stage: Caradoc (Middle to Upper Ordovician, ~460–450 million years ago) Depositional Environment: Marine shelf environment Fine siltstones and mudstones, likely deposited under relatively low-energy conditions Fauna-rich marine strata supporting trilobites, brachiopods, and graptolites Biozone (if inferred): Likely in the Nemagraptus gracilis Biozone or equivalent, typical of Caradoc faunas Preservation: Calcareous or siliciclastic shale preservation, fossil shows natural articulation Taxonomic Details: Kingdom: Animalia Phylum: Arthropoda Class: Trilobita Order: Phacopida Family: Encrinuridae Genus: Brongniartella Species: Brongniartella minor Described by: Reed, 1896 Morphological Features: Compact, enrolled specimen—head (cephalon) and tail (pygidium) tightly joined Moderate cephalic spines and well-developed axial lobe Crescentic eyes visible under magnification Exoskeleton shows detailed segmentation and pleural lobes Scientific & Collector’s Value: Excellent example of enrolment in trilobites—an important behavioural adaptation Rarely found in such complete and naturally enrolled state Important representative of Ordovician faunal assemblages in the UK Desirable for both scientific reference and high-end fossil collections Specimen Details: Fossil Type: Enrolled trilobite Species: Brongniartella minor Origin: Coed Maes Newyddion, Eryri (Snowdonia), North Wales Authenticity: 100% Genuine Specimen Certificate: Supplied with a Certificate of Authenticity Size Reference: Please refer to photo – scale rule squares/cube = 1cm Image: The photograph shows the exact specimen you will receive What’s Included: Your selected fossil specimen Certificate of Authenticity Secure packaging with protective wrap for safe transit Perfect for: Serious trilobite collectors Ordovician fossil enthusiasts Palaeontological education and research Unique gift for fossil and natural history lovers