Here is a relative rare fossil sponge of the genus Diagonella from the Wheeler Formation uf Utah. The Diagonella is accompanied by a small meraspis stage of the Trilobite Elrathia kingii that only measures less than 2 mm. | |||
Location: | Millard Co., Utah, USA | ||
Size Diagonella : | about 22 x 16 mm | ||
Age: | Middle Cambriun, Wheeler Fm. (about 518 Mill. Y.) |