Fossil - Fossil plate matrix - crinoide+Trilobite+Ammonite - 13.5 cm - 12 cm

Set of 3 fossils - Beginner collection - Crinoid + Angelina sedgwickii trilobite + sliced ammonite with quartz - 470 to 165 million years Set of 3 genuine fossils from an old private collection, spanning nearly 300 million years of history. The lot includes a small Carboniferous crinoid plaque from the famous Crawfordsville quarry in Crawfordsville, Indiana, USA, Mississippian about 330 Ma. The plaque shows a main crinoid with arms and stem well preserved and a second small crinoid on the same matrix, with good contrast on the gray limestone. An old handwritten label CCCM 56 kept on the back, visible in the photos. Second piece, a classic Early Ordovician Angelina sedgwickii trilobite from Port Madoc, Porthmadog, Wales, UK, Tremadocian about 470 Ma. Complete specimen with perfectly defined thorax and axis, preserved in dark slate. An old shop label with the price of 20 pounds still attached. Third piece, a Jurassic Perisphinctes-type ammonite from Madagascar, sawed and polished to reveal the internal structure. The exterior shows a natural olive-green glauconitic and pyritized shell with small encrusting fauna and natural edge wear, incomplete on one side as found. The cut face reveals the complete spiral of chambers filled with white calcite and drusy quartz crystals. Decorative and educational piece showing both internal and external anatomy. All three are authentic, unpainted, with natural wear normal for their age. Ideal for beginner collectors or for decoration and study. Origins USA, UK and Madagascar, all compliant with cultural heritage export laws. No CITES required. Lot weight about 1.5 kg to 2 kg.

Estimación:€180

Ver todos los artículos deCatawikioEtnográfica