Halichondria ? difficilis – synonym of Spongosorites difficilis
Halichondria aculeata – synonym of Raspaciona aculeata
Halichondria aegagropila – synonym of Mycale contareni
Halichondria albula – synonym of Crella albula
Halichondria ambigua – synonym of Halichondria panicea
Halichondria angulata – synonym of Haliclona angulata
Halichondria anhelans – synonym of Tedania anhelans
Halichondria bibula – synonym of Halichondria panicea
Halichondria bretti – synonym of Halichondria panicea
Halichondria caduca – synonym of Halichondria panicea
Halichondria candida – synonym of Myxilla incrustans
Halichondria carnosus – synonym of Suberites carnosus
Halichondria celata – synonym of Cliona celata
Halichondria cervicornis – synonym of Haliclona oculata
Halichondria cinerea – synonym of Haliclona cinerea
Halichondria coalita – synonym of Halichondria bowerbanki
Halichondria coccinea – synonym of Halichondria panicea
Halichondria compressa – synonym of Esperiopsis fucorum
Halichondria condensa – synonym of Haliclona simulans
Halichondria coralloides – synonym of Halichondria panicea
Halichondria corona – synonym of Clathria coralloides
Halichondria couchii – synonym of Haliclona fibulata
Halichondria cylindracea – synonym of Desmacidon fruticosum
Halichondria cylindracea – synonym of Myxilla incrustans
Halichondria distorta – synonym of Axinella polypoides
Halichondria expansa – synonym of Iophon nigricans
Halichondria falcula – synonym of Hamacantha falcula
Halichondria fasciculata – synonym of Phorbas lieberkuehni
Halichondria flabellifera – synonym of Myxilla rosacea
Halichondria foliata – synonym of Clathria barleei
Halichondria forceps – synonym of Forcepia forcipis
Halichondria forcipis – synonym of Forcepia forcipis
Halichondria fucorum – synonym of Esperiopsis fucorum
Halichondria genitrix – synonym of Spongosorites genitrix
Halichondria glabra – synonym of Halichondria panicea
Halichondria hispida – synonym of Raspailia hispida
Halichondria hyndmani – synonym of Iophon hyndmani
Halichondria incerta – synonym of Halichondria panicea
Halichondria incrustans – synonym of Myxilla incrustans
Halichondria infundibuliformis – synonym of Axinella infundibuliformis
Halichondria ingalli – synonym of Iophon hyndmani
Halichondria inops – synonym of Batzella inops
Halichondria inornatus – synonym of Desmacella inornata
Halichondria irregularis – synonym of Phorbas plumosus
Halichondria johnstonia – synonym of Pachymatisma johnstonia
Halichondria lactea – synonym of Halichondria panicea
Halichondria membrana – synonym of Halichondria panicea
Halichondria montagui – synonym of Haliclona cinerea
Halichondria mutula – synonym of Clathria barleei
Halichondria oculata – synonym of Haliclona oculata
Halichondria palmata – synonym of Isodictya palmata
Halichondria papillaris – synonym of Halichondria panicea
Halichondria parasitica – synonym of Esperiopsis fucorum
Halichondria pattersoni – synonym of Iophon nigricans
Halichondria plumosa – synonym of Phorbas plumosus
Halichondria prostrata – synonym of Halichondria panicea
Halichondria regularis – synonym of Haliclona fistulosa
Halichondria reticulata – synonym of Halichondria panicea
Halichondria rosacea – synonym of Myxilla rosacea
Halichondria saburrata – synonym of Myxilla incrustans
Halichondria scandens – synonym of Iophon hyndmani
Halichondria seriata – synonym of Clathria seriata
Halichondria simulans – synonym of Haliclona simulans
Halichondria subdola – synonym of Axinella subdola
Halichondria suberea – synonym of Suberites suberia
Halichondria suberia – synonym of Suberites suberia
Halichondria suberica – synonym of Suberites suberia
Halichondria thompsoni – synonym of Esperiopsis fucorum
Halichondria topsenti – synonym of Halichondria panicea
Halichondria variantia – synonym of Biemna variantia
Halichondriella corticata – synonym of Halichondria panicea
Haliclona angulata – synonym of Haliclona angulata
Haliclona angulata – synonym of Haliclona angulata
Haliclona angulata – synonym of Haliclona fibulata
Haliclona angulata – synonym of Haliclona rava
Haliclona arcofera – synonym of Hemigellius arcoferus
Haliclona cancellata – synonym of Haliclona cinerea
Haliclona cf. simplex – synonym of Haliclona xena
Haliclona clava – synonym of Haliclona urceolus
Haliclona clavata – synonym of Haliclona urceolus
Haliclona densa – synonym of Haliclona simulans
Haliclona elegans – synonym of Haliclona cinerea
Haliclona excelsa – synonym of Isodictya palmata
Haliclona gracilis – synonym of Haliclona oculata
Haliclona implexa – synonym of Haliclona urceolus
Haliclona indefinita – synonym of Haliclona angulata
Haliclona indistincta – synonym of Haliclona indistincta
Haliclona indistincta – synonym of Haliclona viscosa
Haliclona limbata – synonym of Acervochalina limbata
Haliclona limbata – synonym of Acervochalina loosanoffi
Haliclona loosanoffi – synonym of Acervochalina loosanoffi
Haliclona mcandrewii – synonym of Haliclona fistulosa
Haliclona montagui – synonym of Haliclona cinerea
Haliclona montagui – synonym of Haliclona urceolus
Haliclona oculata tavaresi – synonym of Haliclona oculata
Haliclona pulcherrima – synonym of Haliclona urceolus
Haliclona seriata – synonym of Clathria seriata
Haliclona sp. – synonym of Haliclona urceolus
Halicnemia constellata – synonym of Paratimea constellata
Halicnemia gallica – synonym of Halicnemia patera
Halicnemia verticillata – synonym of Hymeraphia verticillata
Halina panicea – synonym of Halichondria panicea
Halisarca lobularis – synonym of Oscarella lobularis
Halisarca rubra – synonym of Halisarca dujardini
Halispongia papillaris – synonym of Halichondria panicea
Halispongia parasitica – synonym of Esperiopsis fucorum
Hamacantha bowerbanki – synonym of Hamacantha falcula
Hamigera (Forcipina) fabricans – synonym of Forcepia fabricans
Hastatus ambiguus – synonym of Plocamionida ambigua
Hastatus foliatus – synonym of Ectyodoryx foliatus
Hastatus mamillaris – synonym of Hymedesmia mamillaris
Hastatus robertsoni – synonym of Myxilla incrustans
Heteropegma nodusgordii – synonym of Leucaltis clathria
Hircinia dendroides – synonym of Ircinia dendroides
Histoderma appendiculatum – synonym of Coelosphaera appendiculata
Histoderma physa – synonym of Coelosphaera physa
Homaxinella subdola – synonym of Axinella subdola
Homoeodictya flabelliformis – synonym of Dendoricella flabelliformis
Homoeodictya foliata – synonym of Clathria barleei
Homoeodictya palmata – synonym of Isodictya palmata
Hymantho bitoxa – synonym of Clathria bitoxa
Hymantho normani – synonym of Clathria normani
Hymedesmia armiger – synonym of Hymedesmia veneta
Hymedesmia coronula – synonym of Eurypon coronula
Hymedesmia hallezi – synonym of Timea hallezi
Hymedesmia inflata – synonym of Halicnemia patera
Hymedesmia johnsoni – synonym of Hamacantha johnsoni
Hymedesmia lieberkühni – synonym of Phorbas lieberkuehni
Hymedesmia mammillaris – synonym of Hymedesmia mamillaris
Hymedesmia mixta – synonym of Timea mixta
Hymedesmia radiata – synonym of Eurypon radiatum
Hymedesmia stellata – synonym of Timea stellata
Hymedesmia stephensi – synonym of Spanioplon armaturum
Hymedesmia tenuicula – synonym of Terpios gelatinosa
Hymeniacidon (?) hyalina – synonym of Pseudosuberites hyalinus
Hymeniacidon albescens – synonym of Halichondria bowerbanki
Hymeniacidon albescens – synonym of Halichondria panicea
Hymeniacidon armatura – synonym of Spanioplon armaturum
Hymeniacidon aurea – synonym of Hymeniacidon perlevis
Hymeniacidon brettii – synonym of Halichondria panicea
Hymeniacidon bucklandi – synonym of Dercitus bucklandi
Hymeniacidon callosus – synonym of Esperiopsis fucorum
Hymeniacidon carnosa – synonym of Suberites carnosus
Hymeniacidon caruncula – synonym of Hymeniacidon perlevis
Hymeniacidon celata – synonym of Cliona celata
Hymeniacidon celatus – synonym of Cliona celata
Hymeniacidon coccinea – synonym of Halichondria panicea
Hymeniacidon fallaciosus – synonym of Halichondria panicea
Hymeniacidon ficus – synonym of Suberites ficus
Hymeniacidon firmus – synonym of Halichondria panicea
Hymeniacidon floreum – synonym of Mycale macilenta
Hymeniacidon fragilis – synonym of Halichondria panicea
Hymeniacidon gelatinosa – synonym of Terpios gelatinosa
Hymeniacidon incrustans – synonym of Myxilla incrustans
Hymeniacidon jecusculum – synonym of Hymedesmia jecusculum
Hymeniacidon lactea – synonym of Halichondria panicea
Hymeniacidon lingua – synonym of Mycale lingua
Hymeniacidon macilenta – synonym of Mycale macilenta
Hymeniacidon mammeata – synonym of Hymeniacidon perlevis
Hymeniacidon membrana – synonym of Halichondria panicea
Hymeniacidon parfitti – synonym of Halichondria panicea
Hymeniacidon paupertas – synonym of Hymedesmia paupertas
Hymeniacidon perarmatus – synonym of Phorbas neptuni
Hymeniacidon perleve – synonym of Hymeniacidon perlevis
Hymeniacidon plumosa – synonym of Phorbas plumosus
Hymeniacidon reticulatus – synonym of Halichondria panicea
Hymeniacidon sanguinea – synonym of Hymeniacidon perlevis
Hymeniacidon solidus – synonym of Halichondria panicea
Hymeniacidon suberea – synonym of Suberites suberia
Hymeniacidon sulphurea – synonym of Pseudosuberites sulphureus
Hymeniacidon tegeticula – synonym of Halichondria panicea
Hymeniacidon tenebrosus – synonym of Cliona celata
Hymeniacidon thomasii – synonym of Halichondria panicea
Hymeniacidon varians – synonym of Biemna variantia
Hymeniacidon variantia – synonym of Biemna variantia
Hymeniacidon virgultosa – synonym of Suberites virgultosus
Hymeraphia clavata – synonym of Eurypon clavatum
Hymeraphia coronula – synonym of Eurypon coronula
Hymeraphia lacazei – synonym of Eurypon lacazei
Hymeraphia minax – synonym of Spirastrella minax
Hymeraphia occulta – synonym of Hymedesmia occulta
Hymeraphia plicata – synonym of Eurypon clavatum
Hymeraphia simplex – synonym of Eurypon simplex
Hymeraphia vermiculata – synonym of Bubaris vermiculata
Hymeraphia vermiculata var. erecta – synonym of Bubaris vermiculata
Hymeraphia viridis – synonym of Tricheurypon viride