TY  - JOUR
A1  - Müller, W. E. G.
A1  - Li, J.
A1  - Schröder, H. C.
A1  - Qiao, L.
A1  - Wang, X.
T1  - The unique skeleton of siliceous sponges (Porifera; Hexactinellida and Demospongiae) that evolved first from the Urmetazoa during the Proterozoic: a review
JO  - Biogeosciences Discuss.
J1  - BGD
VL  - 4
IS  - 1
SP  - 385
EP  - 416
Y1  - 2007/02/06
PB  - Copernicus Publications
SN  - 1810-6277
UR  - http://www.biogeosciences-discuss.net/4/385/2007/
L1  - http://www.biogeosciences-discuss.net/4/385/2007/bgd-4-385-2007.pdf
ER  -