Fossil and Recent Sponges

Taxonomic and Phylogenetic Aspects.- Hexactinellida.- New Perspectives on the Hexactinellid Genus Dactylocalyx Stutchbury.- The Hexactinellid Sponge Genus Becksia Schlüter, 1868 from the Campanian of the NW Münsterland (Upper Cretaceous, NW Germany).- Observations on the Jurassic Hexactinellid Sponge Tremadictyon radicatum (Quenstedt).- Are Protospongiidae the Stem Group of Modern Hexactinellida?.- Demospongiae.- Demosponge Higher Taxa Classification Re-Examined.- Lithistid Sponges from the Norfolk Rise. Recent and Mesozoic Genera.- Evolution of Paleozoic Heteractinid Calcareous Sponges and Demosponges — Patterns and Records.- The Fossil Record of the Haplosclerid Excavating Sponge Aka de Laubenfels.- Renewed Study of the Type Material of Palaeospongilla chubutensis Ott and Volkheimer (1972).- A Systematic Revision of the Central-Atlantic Halichondrida (Demospongiae, Porifera). Part I: Evaluation of Characters and Diagnosis of Genera.- A Systematic Revision of the Central Atlantic Halichondrida (Demospongiae, Porifera). Part II: Patterns of Distribution of Secondary Metabolites.- Demospongiae and Calcarea with Secondary Basal Skeletons.- Taxonomic Value of Microstructural Features in Calcified Tissue from Recent and Fossil Demospongiae and Calcarea.- Deficient Spiculation in a New Species of Merlia (Merliida, Demospongiae) from the Balearic Islands.- Phylogenetic Aspects and New Descriptions of Spicule-Bearing Hadromerid Sponges with a Secondary Calcareous Skeleton (Tetractinomorpha, Demospongiae).- Further Evidence for Poriferan Affinities of Favositids.- “Sphinctozoa”: An Overview.- A Cautionary Tale: Difficulties in Inferring Living Morphology from Post-Depositional Appearance.- Calcarea.- Recent Calcarea with a Reinforced Skeleton (“Pharetronids”).-Aspects of Sponge Biology.- Demospongiae.- Morphometric and Biochemical Differences Between Sympatric Populations of the Clathria “Spicata” Species Complex (Demospongiae: Poecilosclerida: Microcionidae) from Northern Australia.- Histological Indications of the Phylogenesis of the Haplosclerida (Demospongiae, Porifera).- Symbiosis of Spongilla lacustris (Spongillidae) and Green Algae. Algae Uptake, Distribution and Final Whereabouts.- Cortical Structure and Adaptation in the Genus Tethya (Porifera, Demospongiae).- A New Mediterranean Species of Axinella Detected by Biochemical Genetic Methods.- Demospongiae with Secondary Calcareous Skeletons.- Non-Spicular Biomineralization in Calcified Demosponges.- Calcarea.- On the Structure of Calcareous Sponge Spicules.- Morphological and Structural Variations in Clathrina clathrus (Porifera, Calcispongiae).- (Paleo-)EcoIogy and Diagenesis of Sponges.- Environmental Aspects of Living Sponge Populations.- Adaptation of the Hexactinellid Sponges to Deep-Sea Life.- Influence of Different Current Regimes on the Growth Form of Halichondria panicea Pallas.- The Sponge Fauna Associated with Area noae L. (Mollusca, Bivalvia).- Monthly Variations in the Size of Spicules of the Haplosclerid Sponge, Haliclona rosea (Bowerbank).- Vicariance Biogeography Using North Atlantic Chalinidae (Demospongiae).- Colonization, Life Cycles and Competition in a Freshwater Sponge Association.- Sponges in Buildups Through Time.- Chaetetid Habitats.- Eastern Tethyan Sponge Buildups at the Close of the Paleozoic (Uppermost Permian, Sichuan/China).- Pharetronids in Triassic Reefs.- Sponge Bioherms from Epicontinental Triassic Formations of Upper Silesia (Southern Poland).- Upper Jurassic Sponge Megafacies in Spain: Preliminary Report.- The SpongiolithicFacies in the Upper Jurassic of Spain.- Ecologic History of the Oxfordian Sponge Assemblage in the Polish Jura Chain.- Baffling, Binding, or Debris Accumulation? Ecology of Upper Jurassic Sponge-Bacterial Buildups (Oxfordian, Franconian Alb, Southern Germany).- Fauna Associated with the Sponges Aplysina archeri andAplysina lacunosa in a Coral Reef of the Archipiélago de Los Roques, National Park, Venezuela.- Diagenetic Processes.- Environmental Control on Fossilization of Siliceous Sponge Assemblages: A Proposal.- Stratigraphic Distribution, Lithological Paragenesis, Depositional Environments and Diagenesis of Fossil Siliceous Sponges in Europe.