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Foreword
Calcareous sponges from New Caledonia
Radovan BOROJEVIC & Michelle KLAUTAU
187-201, Published on 30 June 2000, art. 22 (13)
A revision of the supraspecific classification of the subclass Calcaronea (Porifera, class Calcarea)
Radovan BOROJEVIC et al.
203-263, Published on 30 June 2000, art. 22 (14)
Description of a new lithistid sponge from northeastern New Zealand, and consideration of the phylogenetic affinities of families Corallistidae and Neopeltidae
New species of lithistid sponges from the Paleogene of the Ukraine
New species of Desmanthus (Porifera, Demospongiae) with a discussion of its ordinal relationships
Rob W. M. VAN SOEST & Eduardo HAJDU
299-312, Published on 30 June 2000, art. 22 (17)
Morphological, chemical and biochemical characterization of a new species of sponge without skeleton (Porifera, Demospongiae) from the Mediterranean Sea
Jean VACELET et al.
313-326, Published on 30 June 2000, art. 22 (18)
Redescription of the type species of the genus Polymastia Bowerbank, 1864 (Porifera, Demospongiae, Hadromerida)
Christine MORROW & Nicole BOURY-ESNAULT
327-335, Published on 30 June 2000, art. 22 (19)
Two new genera of hadromerid sponges (Porifera, Demospongiae)
Klaus RÜTZLER & John N. A. HOOPER
337-344, Published on 30 June 2000, art. 22 (20)
New Tethya species (Porifera, Demospongiae) from the Pacific area
Michele SARÀ et al.
345-354, Published on 30 June 2000, art. 22 (21)
New data on embryonic development of Halisarca dujardini Johnston, 1842 (Demospongiae, Halisarcida)
Alexander V. ERESKOVSKY & Elisaveta L. GONOBOBLEVA
355-368, Published on 30 June 2000, art. 22 (22)
Four new demosponge species from Terra Nova Bay (Ross Sea, Antarctica)
Barbara CALCINAI & Maurizio PANSINI
369-381, Published on 30 June 2000, art. 22 (23)
Two new genera and five new species of the "Cacospongia" group (Porifera, Demospongiae, Dictyoceratida)
Steve de C. COOK & Patricia R. BERGQUIST
383-400, Published on 30 June 2000, art. 22 (24)
The genus Acanthodendrilla in the Mediterranean Sea with description of a new species
Maria-Jesus URIZ & Manuel MALDONADO
401-410, Published on 30 June 2000, art. 22 (25)
The hexactinellid Leiobolidium Schmidt (Porifera) is a Hyalonema Gray
Intricate aspects of sponge chemistry
