Results 71 to 80 of about 4,207 (201)

Non-lithistid fossil Demospongiae

open access: yes, 2002
research
Reitner, Joachim   +3 more
openaire   +3 more sources

Low Abundance Taxa Show Diverse Microbial Symbiotic Interactions With the Freshwater Sponge, Radiospongilla crateriformis, Pre and Post Gemmulation

open access: yesEnvironmental Microbiology Reports, Volume 18, Issue 2, April 2026.
The microbiome profile of freshwater sponges did not broadly change in taxonomy or functional profile based on metatranscriptome analysis prior to and after formation of sponge dormant bodies (gemmules). Results highlight a subset of taxa that likely associate with the sponge host in different ways from facultative to long‐term symbionts.
Taylor A. Strope   +2 more
wiley   +1 more source

Carbon conversion and metabolic rate in two marine sponges

open access: yes, 2010
The carbon metabolism of two marine sponges, Haliclona oculata and Dysidea avara, has been studied using a 13C isotope pulse-chase approach. The sponges were fed 13C-labeled diatoms (Skeletonema costatum) for 8 h and they took up between 75 and 85%.
Martens, D.   +14 more
core   +1 more source

Barcoding‐Inferred Biodiversity of Shallow‐Water Indo‐Pacific Demosponges

open access: yesJournal of Biogeography, Volume 53, Issue 3, March 2026.
ABSTRACT Aim The Indo‐Pacific is the world's largest marine biogeographic region. It is characterised by different degrees of connectivity among its subregions and harbours the majority of demosponge species currently known to science. Comparisons between regional sponge faunas have been undertaken in the past, mostly based on morphological species ...
Dirk Erpenbeck   +23 more
wiley   +1 more source

Characterization of the complete mitochondrial genome of Spheciospongia vesparium (Demospongiae, Clionaida, Clionaidae)

open access: yesMitochondrial DNA. Part B. Resources, 2022
The Loggerhead sponge (Spheciospongia vesparium) is an ecologically important marine species of sponge that provides habitat and food sources to biodiversity hotspots in the Caribbean Sea and along the coasts of Florida.
Hunter J. Rider   +5 more
doaj   +1 more source

Examining Marine Assemblages Across an Inverse Salinity Gradient

open access: yesMolecular Ecology, Volume 35, Issue 6, March 2026.
ABSTRACT Salinity gradients and fluctuations can create a natural ecological filter, with few species tolerating salinity above 50 practical salinity units (PSUs). We investigated how an inverse salinity gradient affected marine community diversity and composition in Shark Bay, a remote hypersaline coastal embayment in Western Australia.
Kirsty E. Richards   +4 more
wiley   +1 more source

Marine Demospongiae of Ras Iwatine(Kenya) [PDF]

open access: yes, 1976
A systematic account of 10 species of marine demospongiae belonging to 9 genera under 9 families, collected as hosts of shrimps and prawns from Ras Iwatine, Kenya is presented in this ...
Thomas, P A
core  

Seventeen new complete mtDNA sequences reveal extensive mitochondrial genome evolution within the Demospongiae. [PDF]

open access: yesPLoS ONE, 2008
Two major transitions in animal evolution--the origins of multicellularity and bilaterality--correlate with major changes in mitochondrial DNA (mtDNA) organization.
Xiujuan Wang, Dennis V Lavrov
doaj   +1 more source

Environmental DNA as a Tool for the Assessment of Coral (Anthozoa) Composition in the Chagos Archipelago

open access: yesEnvironmental DNA, Volume 8, Issue 1, January–February 2026.
Environmental DNA (eDNA) metabarcoding using ITS2 markers reliably recovered 18 coral genera, with strong overlap but also complementary detections compared to benthic transect surveys. eDNA uniquely identified several cryptic genera, while some common genera were only recovered by traditional surveys, highlighting method‐specific biases.
Boxian Wen   +3 more
wiley   +1 more source

Two new genera of hadromerid sponges (Porifera, Demospongiae)

open access: yes, 2000
Rützler, Klaus, Hooper, John N. A. (2000): Two new genera of hadromerid sponges (Porifera, Demospongiae).
Rützler, Klaus, Hooper, John N. A.
core   +1 more source

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