Red-Orange Sea Urchin Test with Perfect Pentaradial Symmetry Globular Structure with Intricate Tubercles - Height: 110 mm - Width: 110 mm- 76 g - (1)

Deep Natural Colors - Echinus esculentus - Large Size — This superb specimen represents the shell, or more correctly the 'test', of a Common Sea Urchin (Echinus esculentus). Originating from the waters of Cornwall, United Kingdom, this piece stands out for its considerable size and exceptional condition, making it a highly valuable object both scientifically and decoratively. Its natural architecture, intact and clean, allows appreciation of every detail of one of the most fascinating geometries of the marine world. Looking at the specimen, one is immediately struck by its near-perfect sub-spherical shape and the strict pentaradial symmetry, a hallmark of echinoderms. The surface is not smooth but finely carved by thousands of small hemispherical tubercles, arranged in orderly rows. These tubercles, in life, served as articulation points for the spines. The five ambulacral areas, where the podium ambulacra were located, are clearly visible and alternate with the five broader interambulacral areas, creating a hypnotic pattern radiating from the apical pole to the oral pole. The aesthetic value of this specimen is enhanced by its spectacular natural coloration. The broad interambulacral bands display an intense, vibrant red-orange that magnificently contrasts with the cream-white of the tubercles and the narrower ambulacral bands. This pigmentation is not artificial, but the original coat of the animal, magnificently preserved. Such chromaticity, together with geometric perfection, turns this shell into a true natural sculpture. The test of the sea urchin is a marvel of bioengineering, a rigid endoskeleton composed of calcite plates finely interlocked with each other. This specimen of Echinus esculentus, also known as the edible sea urchin, is typical of the northeastern Atlantic and the North Sea. Its size, larger than the species average, testifies to a mature individual that has thrived in its habitat. It is an excellent educational tool for understanding the anatomy of these fascinating marine invertebrates. For its integrity, size, and chromatic beauty, this sea urchin is a collection piece of great interest. Natural history objects of this quality are increasingly sought after to enrich a modern Wunderkammer or a Cabinet of Curiosities. Its sculptural presence also makes it a rare and elegant interior design element, capable of dialoguing with both classical and contemporary spaces, carrying with it the echo of nature's mathematical precision and the beauty of the ocean."