%0 Book Section %A Reitner, Joachim %E Reitner, Joachim %T Phylogenetic aspects and new descriptions of Spicule-Bearing, Hadromerid Sponges with a secondary calcareous skeleton (Tetractinomorpha, Demospongiae) %B Fossil and recent sponges %D 1991 %R 10.23689/fidgeo-2805 %I Springer %U http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/7118 %~ FID GEO-LEO e-docs