Hazelia

Hazelia

Jesse Russell Ronald Cohn

     

бумажная книга



ISBN: 978-5-5124-2464-3

High Quality Content by WIKIPEDIA articles! Hazelia is a genus of spicular Cambrian demosponge known from the Burgess Shale, the Marjum formation of Utah, and possibly Chengjiang. It was described by Charles Walcott in 1920.