Remarkable Triassic Marine Sponge Fossil in Split Nodule A truly fascinating specimen from the Triassic period, this nodule has been expertly split in two to reveal the fossil of a marine sponge nestled within. The preservation is delicate yet clearly defined, showcasing the sponge's ancient structure and adding both scientific and aesthetic value. Split nodules like this offer a unique window into prehistoric marine environments. A rare and captivating piece, perfect for collectors, educators, or anyone with a passion for ancient life. Size and weight of the two parts 1) 166g | 11,9x5,9x0,9cm 2) 430g | 11,5x7,4x3,5cm