TY - JOUR AU - Facultad de Ciencias Biologicas y Ambientales AU - Nose, M. AU - Vodrážka, R. AU - Fernández, Luis Pedro AU - Méndez Bedia, Isabel AU - Fernández Martínez, Esperanza AU - Soto, Francisco AU - Paleontologia DA - 2012 PY - 2019 UR - http://hdl.handle.net/10612/10274 AB - Most chambered sponges (the polyphyletic group of "Sphinctozoa") are hypercalcified types and most of them probably belong to the Demospongia. "Spinctozoa" occur from the Cambrian to the Recent and are the most abundant sponges in Late Palaeozoic and... LA - eng PB - GeoUnion Alfred-Wegener-Stiftung KW - Paleontología KW - Sponges KW - Esponjas KW - Arrecifes KW - Reef KW - Paleozoico KW - Paleozoic TI - First record of chambered hexactinellid sponges from the Palaeozoic ER -