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Prof. Willenz, Philippe
ORCID

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Koninklijk Belgisch Instituut voor Natuurwetenschappen; Operationele Directie Taxonomie en Fylogenie; Afdeling Malacologie, more Direct contact at institute: Tel.: +32-(0)2-627 42 53 Fax: +32-(0)2-627 41 97 E-mail:

Projects (6)

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Critical evaluation of marine calcareous skeletons as recorders of global climate change, more
Growth rate of a Mediterranean pharetronid sponge, Petrobiona massiliana (Porifera, Calcarea), more
Sclerosponges of the Caribbean Sea: biology, taxonomy and growth rate of hypercalcified sponges, more
Taxonomy of the Porifera of Easter Island, more
Use of sclerosponges (Porifera) as biorecorders of environmental changes, more
Validation of alternative marine calcareous skeletons as recorders of global climate change, more

Publications (47)	Top \| Institute \| Publications \| Projects
A1 Publications (37) [show]
Cóndor-Luján, B.; Arteaga, A.; Polo, C.; Arroyo, Y.; Willenz, P.; Hajdu, E. (2023). Shallow Suberitida (Porifera, Demospongiae) from Peru. Zootaxa 5264(4): 451-489. https://dx.doi.org/10.11646/zootaxa.5264.4.1, more Bispo, A.; Willenz, P.; Hajdu, E. (2022). Diving into the unknown: fourteen new species of haplosclerid sponges (Demospongiae: Haplosclerida) revealed along the Peruvian coast (Southeastern Pacific). Zootaxa 5087(2): 201-252. https://dx.doi.org/10.11646/zootaxa.5087.2.1, more Salani, S.; Willenz, P.; Fernandez, J.C.C.; Hajdu, E. (2022). Three new Hymedesmia Bowerbank, 1864 (Demospongiae, Poecilosclerida, Hymedesmiidae) from the Southeast Pacific (Peru and Chile). Zootaxa 5165(2): 217-240. https://dx.doi.org/10.11646/zootaxa.5165.2.4, more Stillitani, D.; Ereskovsky, A.V.; Pérez, T.; Ruiz, C.; Laport, M.S.; Puccinelli, G.; Hardoim, C.C.P.; Willenz, P.; Muricy, G. (2022). Solving a taxonomic puzzle: integrative taxonomy reveals new cryptic and polymorphic species of Oscarella in south-eastern Brazil (Homoscleromorpha : Oscarellidae). Invertebrate Systematics 36(8): 714-750. https://dx.doi.org/10.1071/IS21056, more Cóndor-Luján, B.; Leocorny, P.; Padua, A.; Azevedo, F.; Corrêa Seixas, V.; Hooker, Y.; Hajdu, E.; Willenz, P.; Pérez, T.; Klautau, M. (2021). Evolutionary history of the calcareous sponge Clathrina aurea: genetic connectivity in the Western Atlantic and intriguing occurrence in the Eastern Pacific. Mar. Biol. (Berl.) 168(8): 127. https://dx.doi.org/10.1007/s00227-021-03934-8, more Rodriguez Jimenez, A.; Dechamps, E.; Giaux, A.; Goetghebuer, L.; Bauwens, M.; Willenz, P.; Flahaut, S.; Laport, M.S.; George, I.F. (2021). The sponges Hymeniacidon perlevis and Halichondria panicea are reservoirs of antibiotic-producing bacteria against multi-drug resistant Staphylococcus aureus. J. Appl. Microbiol. 131(2): 706-718. https://hdl.handle.net/10.1111/jam.14999, more Arroyo, Y.; Hajdu, E.; Willenz, P.; Cóndor-Luján, B. (2020). First record of Ciocalypta Bowerbank, 1862 (Demospongiae, Suberitida, Halichondriidae) in the Eastern Pacific, with description of a new species from Peru. Zootaxa 4853(3): 429-441. https://hdl.handle.net/10.11646/zootaxa.4853.3.6, more Recinos, R.; Pinheiro, U.; Willenz, P.; Hajdu, E. (2020). Three new Raspailiidae Hentschel, 1923 (Axinellida, Demospongiae) from Peru. Zootaxa 4778(3): 521-545. https://hdl.handle.net/10.11646/zootaxa.4778.3.5, more Cóndor-Luján, B.; Azevedo, F.; Hajdu, E.; Hooker, Y.; Willenz, P.; Klautau, M. (2019). Tropical Eastern Pacific Amphoriscidae Dendy, 1892 (Porifera: Calcarea: Calcaronea: Leucosolenida) from the Peruvian coast. Mar. Biodiv. 49(4): 1813-1830. https://dx.doi.org/10.1007/s12526-019-00946-y, more Vasconcellos, V.; Willenz, P.; Ereskovsky, A.; Lanna, E. (2019). Comparative ultrastructure of the spermatogenesis of three species of Poecilosclerida (Porifera, Demospongiae). Zoomorphology 138(1): 1-12. https://dx.doi.org/10.1007/s00435-018-0429-4, more Laport, M.S.; Bauwens, M.; Nunes, S.O.; Willenz, P.; George, I.; Muricy, G. (2017). Culturable bacterial communities associated to Brazilian Oscarella species (Porifera: Homoscleromorpha) and their antagonistic interactions. Antonie van Leeuwenhoek 110(4): 489-499. https://dx.doi.org/10.1007/s10482-016-0818-y, more Fernandez, J.C.C.; Cárdenas, C.A.; Bravo, A.; Lôbo-Hajdu, G.; Willenz, P.; Hajdu, E. (2016). Lissodendoryx (Ectyodoryx) Lundbeck, 1909 (Coelosphaeridae, Poecilosclerida, Demospongiae) from Southern Chile: new species and a discussion of morphologic characters in the subgenus. Zootaxa 4092(1): 69-89. https://dx.doi.org/10.11646/zootaxa.4092.1.4, more Willenz, P.; Ereskovsky, A.V.; Lavrov, D.V. (2016). Integrative taxonomic re-description of Halisarca magellanica and description of a new species of Halisarca (Porifera, Demospongiae) from Chilean Patagonia. Zootaxa 4208(6): 501-533. http://dx.doi.org/10.11646/zootaxa.4208.6.1, more Azevedo, F.; Cóndor-Luján, B.; Willenz, P.; Hajdu, E.; Hooker, Y.; Klautau, M. (2015). Integrative taxonomy of calcareous sponges (subclass Calcinea) from the Peruvian coast: morphology, molecules, and biogeography. Zool. J. Linn. Soc. 173(4): 787–817. http://dx.doi.org/10.1111/zoj.12213, more Hajdu, E; Hooker, Y; Willenz, P. (2015). New Hamacantha from Peru and resurrection of Zygherpe as subgenus (Demospongiae, Poecilosclerida, Hamacanthidae). Zootaxa 3926(1): 87-99. dx.doi.org/10.11646/zootaxa.3926.1.3, more Ereskovsky, A.V.; Lavrov, D.V.; Willenz, P. (2014). Five new species of Homoscleromorpha (Porifera) from the Caribbean Sea and re-description of Plakina jamaicensis. J. Mar. Biol. Ass. U.K. 94(2): 285-307. http://dx.doi.org/10.1017/S0025315413000295, more Gilis, M.; Grauby, O.; Willenz, P.; Dubois, P.; Heresanu, V.; Baronnet, A. (2013). Corrigendum to “Biomineralization in living hypercalcified demosponges: toward a shared mechanism?” [J. Struct. Biol. 183 (2013) 441–454]. J. Struct. Biol. 184(2): 382-382. dx.doi.org/10.1016/j.jsb.2013.09.005, more Gilis, M.; Grauby, O.; Willenz, P.; Dubois, P.; Heresanu, V.; Baronnet, A. (2013). Biomineralization in living hypercalcified demosponges: toward a shared mechanism? J. Struct. Biol. 183(3): 441-454. dx.doi.org/10.1016/j.jsb.2013.05.018, more Hajdu, E.; Desqueyroux-Faundez, R.; Carvalho, M.D.; Lobo-Hajdu, G.; Willenz, P. (2013). Twelve new Demospongiae (Porifera) from Chilean fjords, with remarks upon sponge-derived biogeographic compartments in the SE Pacific. Zootaxa 3744(1): 64 pp, more Hassenruck, C.; Jantzen, C.; Forsterra, G.; Haussermann, V.; Willenz, P. (2013). Rates of apical septal extension of Desmophyllum dianthus: effect of association with endolithic photo-autotrophs. Mar. Biol. (Berl.) 160(11): 2919-2927. dx.doi.org/10.1007/s00227-013-2281-x, more Gilis, M.; Baronnet, A.; Dubois, P.; Legras, L.; Grauby, O.; Willenz, P. (2012). Biologically controlled mineralization in the hypercalcified sponge Petrobiona massiliana (Calcarea, Calcaronea). J. Struct. Biol. 178(3): 279-289. dx.doi.org/10.1016/j.jsb.2012.04.004, more Aguirre, L.K.; Hooker, Y.; Willenz, P.; Hajdu, E. (2011). A new Clathria (Demospongiae, Microcionidae) from Peru occurring on rocky substrates as well as epibiontic on Eucidaris thouarsii sea urchins. Zootaxa 3085: 41-54. https://hdl.handle.net/10.11646/zootaxa.3085.1.3 , more Gilis, M.; Gosselin, P.; Dubois, P.; Willenz, P. (2011). Seasonal modifications and morphogenesis of the hypercalcified sponge Petrobiona massiliana (Calcarea, Calcaronea). Invertebr. Biol. 130(3): 193-210. dx.doi.org/10.1111/j.1744-7410.2011.00239.x, more Gilis, M.; Grauby, O.; Willenz, P.; Dubois, P.; Legras, L.; Heresanu, V.; Baronnet, A. (2011). Multi-scale mineralogical characterization of the hypercalcified sponge Petrobiona massiliana (Calcarea, Calcaronea). J. Struct. Biol. 176(3): 315-329. https://dx.doi.org/10.1016/j.jsb.2011.08.008, more Hermans, J.; Borremans, C.; Willenz, P.; André, L.; Dubois, P. (2010). Temperature, salinity and growth rate dependences of Mg/Ca and Sr/Ca ratios of the skeleton of the sea urchin Paracentrotus lividus (Lamarck): an experimental approach. Mar. Biol. (Berl.) 157(6): 1293-1300. https://dx.doi.org/10.1007/s00227-010-1409-5, more Hermans, J.; Dubois, P.; André, L.; Vacelet, J.; Willenz, P. (2010). Growth rate and chemical features of the massive calcium carbonate skeleton of Petrobiona massiliana (Baeriida: Calaronea: Calcispongiae). J. Mar. Biol. Ass. U.K. 90(4): 749-754. dx.doi.org/10.1017/S0025315409991081, more Azevedo, F.; Hajdu, E.; Willenz, P.; Klautau, M. (2009). New records of Calcareous sponges (Porifera, Calcarea) from the Chilean coast. Zootaxa 2072: 1-30, more Rosenheim, B.; Swart, P.; Willenz, P. (2009). Calibration of sclerosponge oxygen isotope records to temperature using high-resolution delta¹⁸O data. Geochim. Cosmochim. Acta 73(18): 5308-5319. https://dx.doi.org/10.1016/j.gca.2009.05.047, more Bruck, W.; Sennett, S.; Pomponi, S.; Willenz, P.; McCarthy, P. (2008). Identification of the bacterial symbiont Entotheonella sp. in the mesohyl of the marine sponge Discodermia sp. ISME J. 2(3): 335-339. dx.doi.org/10.1038/ismej.2007.91, more Ereskovsky, A.V.; Willenz, P. (2008). Larval development in Guancha arnesenae (Porifera, Calcispongiae, Calcinea). Zoomorphology 127(3): 175-187. dx.doi.org/10.1007/s00435-008-0061-9, more Ereskovsky, A.V.; Willenz, P. (2007). Esperiopsis koltuni sp. nov. (Demospongiae: Poecilosclerida: Esperiopsidae), a carnivorous sponge from deep water of the Sea of Okhotsk (North Pacific). J. Mar. Biol. Ass. U.K. 87(6): 1379-1386. dx.doi.org/10.1017/S0025315407058109, more Gillikin, D.P.; Lorrain, A.; Bouillon, S.; Willenz, P.; Dehairs, F.A. (2006). Stable carbon isotopic composition of Mytilus edulis shells: relation to metabolism, salinity, d¹³C_DIC and phytoplankton. Org. Geochem. 37(10): 1371-1382. dx.doi.org/10.1016/j.orggeochem.2006.03.008, more Hajdu, E.; Desqueyroux-Faúndez, R.; Willenz, P. (2006). Clathria (Cornulotrocha) rosetafiordica sp. nov. from a south-east Pacific fjord (Chilean Patagonia) (Microcionidae: Poecilosclerida: Demospongiae: Porifera). J. Mar. Biol. Ass. U.K. 86(5): 957-961. dx.doi.org/10.1017/S0025315406013920, more Rosenheim, B.E.; Swart, P.K.; Thorrold, S.R.; Eisenhauer, A.; Willenz, P. (2005). Salinity change in the subtropical Atlantic: secular increase and teleconnections to the North Atlantic Oscillation. Geophys. Res. Lett. 32(2): 1-4. dx.doi.org/10.1029/2004GL021499, more Rosenheim, B.E.; Swart, P.K.; Thorrold, S.R.; Willenz, P.; Berry, L.; Latkoczy, C. (2004). High-resolution Sr/Ca records in sclerosponges calibrated to temperature in situ. Geology (Boulder Colo.) 32(2): 145-148. dx.doi.org/10.1130/G20117.1, more Lazareth, C.; Willenz, P.; Navez, J.; Keppens, E.; Dehairs, F.A.; André, L. (2000). Sclerosponges as a new potential recorder of environmental changes: Lead in Ceratoporella nicholsoni. Geology (Boulder Colo.) 28(6): 515-518. dx.doi.org/10.1130/0091-7613(2000)28<515:SAANPR>2.0.CO;2, more Willenz, P. (1981). Etude expérimentale de l'endocytose par l'exopinacoderme de l'éponge marine Hemimycale columella: rôle de la glycocalyx. Biol. Cell. 41(1): A8-A8, more
Peer reviewed publications (4) [show]
Willenz, P.; Pomponi, S.A. (1996). A new deep sea coralline sponge from Turks and Caicos Islands: Willardia caicosensis gen. et sp. nov. (Demospongiae: Hadromerida). Bull. Kon. Belg. Inst. Natuurwet. Biologie 66(Suppl.): 205-218, more Willenz, Ph. (1996). Recent advances in sponge biodiversity inventory and documentation: Proceedings of the 10th Workshop on Atlanto-Mediterranean Sponge Taxonomy, Brussels, April 25-30, 1995. Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Biologie = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Biologie, 66(Suppl.). Koninklijk Belgisch Instituut voor Natuurwetenschappen: Brussel. 242 pp., more Willenz, Ph. (1996). Foreword. Bull. Kon. Belg. Inst. Natuurwet. Biologie 66(Suppl.): 1, more Willenz, P. (1994). Annotated catalogue of Porifera type specimens in the Belgian national collections. Bull. Kon. Belg. Inst. Natuurwet. Biologie 64: 5-15, more
Book chapters (3) [show]
Willenz, Ph. (1998). Les éponges ou porifères, in: Sheridan, R. et al. Guide de la faune et flore sous-marines de Zélande. pp. 80-97, more Fiers, F.; Backeljau, T.; Willenz, P.; Verheyen, E.; Govaere, J.; Grootaert, P.; Baert, L.; Jocqué, R.; Snoeks, J. (1994). Diversity and speciation in the wider Caribbean, in: Vanderborght, O. et al. (Ed.) IGBP and 'Global Change' related research in Belgium II. pp. 38, more Willenz, P.; Hartman, W.D. (1994). Skeletal reaction of the Caribbean coralline sponge Calcifibrospongia actinostromarioides Hartman toward and epizoic zoanthidean, in: Van Soest, R.W.M. et al. (Ed.) Sponges in Time and Space: Biology, Chemistry, Paleontology. Proceedings of the Fourth International Porifera Congress, Amsterdam, Netherlands, April 19-23, 1993. pp. 279-288, more
Abstract [show]
Gilis, M.; Gosselin, P.; Dubois, Ph.; Willenz, Ph. (2009). Life-cycle of the Mediterranean calcareous sponge Petrobiona massiliana: histological variations of a potential climate changes recorder, in: Mees, J. et al. (Ed.) VLIZ Young Scientists' Day, Brugge, Belgium 6 March 2009: book of abstracts. VLIZ Special Publication, 41: pp. 45, more
Report [show]
Willenz, P.; Berry, L.; Dehairs, F.A.; Baeyens, W.F.J.; Gillikin, D.P.; Keppens, E.; De Ridder, F.; André, L.; Verheyden, S.; Lorrain, A.; Dubois, Ph.; Ranner, H.; Blust, R.; Mubiana, V.K. (2006). Validation of alternative marine calcareous skeletons as recorders of global climate changes (CALMARS): final report. Belgian Science Policy: Brussel. 133 pp., more
Other publication [show]
De Vos, W.; Willenz, Ph. (2008). De opslorpende wereld van de sponzen. Sci. connect. (Ned. ed.) 24: 11-14, more

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