TY  - JOUR
A1  - Müller, W. E. G.
A1  - Jinhe Li, 
A1  - Schröder, H. C.
A1  - Li Qiao, 
A1  - Xiaohong Wang, 
T1  - The unique skeleton of siliceous sponges (Porifera; Hexactinellida and Demospongiae) that evolved first from the Urmetazoa during the Proterozoic: a review
JO  - Biogeosciences
J1  - BG
VL  - 4
IS  - 2
SP  - 219
EP  - 232
Y1  - 2007/05/03
PB  - Copernicus Publications
SN  - 1726-4189
UR  - http://www.biogeosciences.net/4/219/2007/
L1  - http://www.biogeosciences.net/4/219/2007/bg-4-219-2007.pdf
DO  - 10.5194/bg-4-219-2007
ER  -