List of prehistoric sponge genera

This list of prehistoric sponges is an attempt to create a comprehensive listing of all genera that have ever been included in the phylum Porifera, excluding purely vernacular terms. The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomina dubia), or were not formally published (nomina nuda), as well as junior synonyms of more established names, and genera that are no longer considered to be sponges.

Raphidonema faringdonense, a fossil sponge from the Cretaceous of England.

Naming conventions and terminology

Naming conventions and terminology follow the International Code of Zoological Nomenclature. Technical terms used include:

Junior synonym: A name which describes the same taxon as a previously published name. If two or more genera are formally designated and the type specimens are later assigned to the same genus, the first to be published (in chronological order) is the senior synonym, and all other instances are junior synonyms. Senior synonyms are generally used, except by special decision of the ICZN, but junior synonyms cannot be used again, even if deprecated. Junior synonymy is often subjective, unless the genera described were both based on the same type specimen.
Nomen nudum (Latin for "naked name"): A name that has appeared in print but has not yet been formally published by the standards of the ICZN. Nomina nuda (the plural form) are invalid, and are therefore not italicized as a proper generic name would be. If the name is later formally published, that name is no longer a nomen nudum and will be italicized on this list. Often, the formally published name will differ from any nomina nuda that describe the same specimen.
Nomen oblitum (Latin for "forgotten name"): A name that has not been used in the scientific community for more than fifty years after its original proposal.
Preoccupied name: A name that is formally published, but which has already been used for another taxon. This second use is invalid (as are all subsequent uses) and the name must be replaced. As preoccupied names are not valid generic names, they will also go unitalicized on this list.
Nomen dubium (Latin for "dubious name"): A name describing a fossil with no unique diagnostic features. As this can be an extremely subjective and controversial designation, this term is not used on this list.

Contents:	A B C D E F G H I J K L M N O P Q R S T U V W X Y Z — See also

A

Acanothyra
Acanthactinella
Acanthastrella
Acanthochaetetes
Acanthocoryna
Acanthodictya
Acanthophora
Acanthopyrgus (genus name already occupied by a grasshopper, synonym of Yukonensis
Acanthoraphis
Acanthospongia
Achrochordiella
Achrochordonia
Acloeodictya
Acoelia
Acosmostroma
Actinocoelia
Actinodictya
Actinodictyon
Actinofungia
Actinolites
Actinostromaria
Actinostromarianina
Actinostromella
Actostroma
Aculatostroma
Adrianella
Adriatella
Afiacyathus
Agastrocyathus
Aglithodictya
Agyrekocyathus
Ajacicyathellus
Ajacicyathus
Aka
Aksopora
Alaskacoscinus
Alaskaspongia
Alasonia
Alataucyathus
Alconeracyathus
Alectona
Allantospongia
Alleynodictyon
Allomera
Allosaccus
Alosculum
Alphacyathus
Alpinothalamia
Altaicyathus
Amblysiphonella
Amblysiphonelloides
Amnestostroma
Amphilectella
Amphipora
Amphorithalamia
Amsassia
Anaptyctocyathus
Andreaea (sponge)
Angaricyathus
Angullongia
Annaecoelia
Annulocyathella
Annulocyathus
Annulofungia
Anomoclonella
Anomorphites
Anostylostroma
Antarcticocyathus
Anthaspidella
Anthomorpha
Anthracosycon
Antoniocoscinus
Antrispongia
Antrospongia
Aphlebospongia
Aphrocallistes
Aphrosalpinx
Aplosphecion
Aplysinofibra
Apocoelia
Aporosocyathus
Aptocyathella
Aptocyathus
Arakespongia
Araneosustroma
Arborohindia
Arbuscula
Archaeocyathus
Archaeodoryderma
Archaeolynthus
Archaeopharetra
Archaeoscyphia
Archaeosycon
Arctostroma
Ardrossacyathus
Armstrongia
Arrythmocricus
Arthaberia
Arturocyathus
Arystidictyon
Asteractinella
Asteriospongia
Asterocyathus
Asterospongia
Asterotumulus
Asthenospongia
Astraeoconus
Astraeospongium
Astrobolia
Astrocladia
Astroconia
Astrolemma
Astropegma
Astroporina
Astrosclerida
Astrostylopsis
Astylomanon
Astylospongia
Astylospongiella
Ataxiocyathus
Atelodictyon
Atopostroma
Atrochaetetes
Attungaia
Aulacera
Aulacosia
Aulacospongia
Aulaxinia
Auliscocyathus
Aulocopella
Aulocopina
Aulocopium
Aulocricus
Aulocyclus
Aulodomus
Aulophax
Aulosoma
Aulospongia
Auroria
Australispongia
Azorica
Azyrtalia

B

Baccispongia
Bactronella
Baikalocyathus
Balantionella
Balatonia
Barrandeolites
Barroisia
Bathotheca
Batschykicyathus
Battaglia
Bauneia
Beaussetia
Becksia
Belemnospongia
Belemnostroma
Belonisia
Beltanacyathus
Belubulaia
Belubulaspongia
Bicolumnostratum
Bicoscinus
Bifariostroma
Bipallicyathus
Blastinia
Blastinoidea
Blastochaetetes
Blastulospongia
Boikothalamia
Bolidium
Bolitesia
Bolojerea
Bolospongia
Boonderooia
Borocyathus
Bothoteca
Bothrochlaenia
Bothroconis
Bothrolemma
Botocyathus
Botroclonium
Botryodictya
Botryosella
Bottonaecyathus
Brachiospongia
Bractocyathus
Brevisiphonella
Brianispongia
Brochodora
Bullulodictyon
Burgundia
Butakovicyathus

C

Cadniacyathus
Caesaria
Calathiscus
Calathospongia
Calcihexactina
Calcistella
Calicia
Caliculospongia
Callicylix
Callodictyon
Callopegma
Calthropella
Calycocoelia
Calycospongia
Calymmatina
Calyptocoscinus
Calyptrella
Cambrocyathells
Camellaspongia
Cameroptychium
Camerospongia
Canistrumella
Capsospongia
Capsulocyathus
Carinacyathus
Carnegiea
Carphites
Carpicyathus
Carpospongia
Carta
Carterella
Caryomanon
Caryospongia
Caseispongia
Cassianochaetes
Cassianostroma
Cassianothalamia
Catenispongia
Cauliculospongia
Caulophacus
Cavispongia
Cavusonella
Cellicyathus
Celyphia
Ceotinella
Cephalites
Cephaloraphidites
Ceraostroma
Ceratodictya
Ceratoporella
Ceriodictyon
Chaetetella
Chaetetes
Chaetetipora
Chaetetopsis
Chakassicyathus
Chalaropegma
Changicyathus
Chankacyathus
Chaunactis
Cheilosporites
Chenendopora
Chiastoclonella
Chirospongia
Choia
Choiaella
Chondrocladia
Chonellopsis
Chouberticyathus
Churanocyathus
Cinclidella
Cincliderma
Cinnabaria
Circopora
Cladocoropsis
Cladodermia
Cladodia
Cladolithosia
Cladorhiza
Claruscoscinus
Clathricoscinus
Clathricyathus
Clathrispongia
Clathrithalamus
Clathrocoilona
Clathrodictyella
Clathrodictyon
Clathrospongia
Clathrostroma
Clavidictyon
Cleodictya
Clepsydrospongia
Clifdenella
Climacospongia
Cliona
Cnemaulax
Cnemicopanon
Cnemidiastrum
Coelocladia
Coelocladiella
Coeloconia
Coelocorypha
Coeloptychium
Coeloscyphia
Coelosphaeroma
Coenostella
Coenostroma
Collatipora
Colossolacis
Colpospongia
Columellaespongia
Columna
Columnostroma
Compositocyathus
Compsaspis
Conannulofungia
Condylacanthus
Coniatopenia
Coniculospongia
Conispongia
Conocoelia
Constellatospongia
Copleicyathus
Corallidium
Corallistes
Cordilleracyathus
Cordobicyathus
Cornuaspongia
Corralio
Corticium
Corticospongia
Corticulospongia
Corymbospongia
Corynella
Coscinaulus
Coscinocyathella
Coscinocyathellus
Coscinocyathus
Coscinodiscus
Coscinopora
Coscinoptycta
Coscinospongia
Cotylahindia
Cotyliscus
Còyptoporocyathus
Craniella
Crassicoscinus
Crateromorpha
Craticularia
Cribrospongia
Cribrothalamia
Crispispongia
Crucispongia
Crumillospongia
Cryptocoelia
Cryptodictya
Cryptophragmus
Cucumaltina
Cupulina
Cyathocricus
Cyathodictya
Cyathophycus
Cyathophyscus
Cyathospongia
Cycloclema
Cyclocyathella
Cyclostigma
Cylicoopsis
Cylindrophyma
Cymbochlaenia
Cypellia
Cypellospongia
Cyrtobolia
Cysticyathus
Cystispongia
Cystistroma
Cystocerium
Cystostroma
Cystothalamia
Cystothalamiella
Cytoracea

D

Dactylites
Dactylocalycites
Dactylocalyx
Daharella
Dailycyathus
Deceptioncyathus
Defordia
Degeletticyathus
Denaecyathus
Dendroclonella
Deningeria
Densastroma
Densocyathus
Dentatocoscinus
Dermatostroma
Desmidopora
Desmoderma
Desmopora
Desmostroma
Devonospongia
Diacyparia
Diagoniella
Diaplectia
Diasterofungia
Dichojerea
Dicranoclonella
Dictyocoelia
Dictyocyathus
Dictyofavus
Dictyophyton
Dictyorhabdus
Dictyospongia
Dictyosycon
Didymocyathus
Didymosphaera
Diecithalamia
Dierespongia
Diestosphecion
Dimorpha
Diphyllospira
Diplochaetetes
Diplocyathellus
Diplodictyon
Diplopleura
Diplostoma
Diplostroma
Discispongia
Discocoeila
Discodermia
Discodermites
Discophyma
Discosiphonella
Discostroma
Disjectopora
Disparistromaria
Ditraenella
Divaricospongia
Docoderma
Dokidocyathella
Dokidocyathus
Doryderma
Dracolychnus
Drosdoria
Drosdovia
Dunhillia
Dupliporocyathus
Dyoconia
Dyocopanon
Dysidea
Dystactospongia

E

Ecblastesia
Ecclimadictyon
Echidnina
Ectenodictya
Edelsteinia
Edriospongia
Elasma
Elasmalimus
Elasmocoelia
Elasmoierea
Elasmostoma
Ellesmerespongia
Ellipsactinia
Emploca
Enaulofungia
Endoplegma
Endostoma
Enoplocoelia
Ensiferites
Eochaunactis
Eocoryne
Eospongia
Epeudea
Epiplastospongia
Epistomella
Epitheles
Erbocyathus
Eremitacyathus
Erineum
Erismacoscinus
Erugatocyathus
Erylus
Esperites
Etalloniella
Etheridgia
Ethmocoscinus
Ethmocyathus
Ethmophyllum
Eubrochis
Eubrochus
Eudea
Eudictyon
Euepirrhysia
Euleraphe
Euplectella
Eurete
Euryamphipora
Eurydiscites
Eusiphonella
Eustrobilus
Eutactostomium
Euzittelia
Euzkadiella
Exanthesis
Exochopora
Exodictydia

F

Faciledictyon
Fallocyathus
Falospongia
Faniathalamia
Fansycyathus
Farrea
Farreopsis
Favilynthus
Favosichaetetes
Feifelia
Felixium
Fenestrocyathus
Fenestrospongia
Ferestromatopora
Fieldospongia
Finksella
Fissispongia
Fistellaspongia
Fistulimurina
Fistulisponga
Flabellispongia
Flexanulus
Flexiostroma
Flosculus
Foerstella
Follicalena
Forcepia
Formosocyathus
Forolina
Fragilicyathus
Fransuasaecyathus
Frinalicyathus
Fusiferella

G

Gabelia
Gabrielsocyathus
Gagarinicyathus
Garraspongia
Gaspespongia
Gatagacyathus
Geniculicyathus
Geocyathus
Geodia
Geodiopsis
Geodites
Gerronodictyon
Gerronostroma
Gevreya
Gigantospongia
Gignouxia
Gillettia
Ginkgospongia
Girtycoelia
Glenodictyum
Glomocystospongia
Gloriosocyathus
Glyptostromoides
Gnaltacyathus
Gomphites
Gonamispongia
Gondekia
Gongylospongia
Gordonicyathus
Gordonifungia
Goreauiella
Graminospongia
Graphoscyphus
Gravestockia
Griphodictya
Grossotubenella
Guadalupia
Guettardiscyphia
Guitarra
Guizhouchaetetes
Gumbycyathus
Gyrispongia

H

Habrosium
Habrostroma
Halichondrites
Halina
Hallirhoa
Hallodictya
Halysicyathus
Hamacantha
Hammatostroma
Hamptonia
Hapalopegma
Haplistion
Haplistionella
Hartmanina
Hazelia
Heckericyathus
Heftastylis
Helicodictya
Heliospongia
Helminthophyllum
Helobrachium
Heloraphinia
Hemidiscella
Hemithalamocyathus
Henricellum
Heptastylis
Hermatoporella
Hermatostroma
Hermatostromella
Hesperocoelia
Heteroraphidites
Heterospongia
Heterostella
Heterostinia
Hexactinella
Hexactractiella
Hexastylostroma
Himatella
Hindia
Hintzesnonaia
Hintzespongia
Hippalimus
Hispidopetra
Hodsia
Holasterella
Holcospongia
Holocoelia
Holodictyon
Homalodora
Hormathospongia
Hormospongia
Hudsonella
Hudsonospongia
Hunanospongia
Hupecyathellus
Hupecyathus
Hyaloderma
Hyalonemia
Hyalospongia
Hyalostelia
Hyalotragos
Hydnoangulus
Hydnoceras
Hydnocerina
Hydnodictya
Hydriodictya
Hymedesmia
Hypothyra
Hyptocyathus

I

Ichnospongia
Ichnusocyathus
Idiodictyon
Idiostroma
Iljinicyathus
Imbricatocoelia
Imperatoria
Imponodictyon
Inacyathella
Incurvocyathus
Inessocyathellus
Inessocyathus
Infexiostella
Ingentilotus
Inobolia
Inodia
Insulipora
Intexodictyon
Intextum
Intrasporeocoelia
Intratubospongia
Iophon
Iouea
Iowaspongia
Irinaecyathus
Irregulatopora
Ischadia
Isispongia
Isiticyathus
Isoraphinia
Itararella
Ithacadictya

J

Jablonskyia
Jakutocarinus
Jangudacyathus
Japhanicyathus
Jawonya
Jebileticoscinus
Jerea
Jereica
Jereina
Jereomorpha
Jereopsis
Jianghania
Jima
Joanaecyathus
Jugalicyathus

K

Kalimnospongia
Kalpinella
Kaltatocyathus
Karatubulus
Kasyricyathus
Kazania
Kechikacyathus
Kellericyathus
Kentrosia
Keriocoelia
Keriocyathus
Keriogastrospongia
Khalfinaea
Khasaktia
Kidjasocyathus
Kijacyathus
Kisasacyathus
Kiwetinokia
Kiwicyathus
Kolbicyathus
Koleostoma
Komia
Konyrium
Kordecyathus
Korovinella
Korshunovicyathus
Kotuyicoscinus
Kozlowskispongia
Krasnopeevacyathus
Kruseicnema
Kyarocyathus
Kymbecyathus
Kyphoclonella

L

Labechia
Labechiella
Ladaecyathus
Lamellata
Lamellistroma
Lamellopora
Landercyathus
Lanicyathus
Laocaetis
Lasiocladia
Lasiothrix
Latrunculia
Laubenfelsia
Lebedictya
Lecanella
Lecomptella
Lefroyella
Leinia
Leiocarenus
Leiochaetetes
Leiochonia
Leiodermatium
Leiodorella
Leiophyllum
Leiospongia
Leiostracosia
Lemonea
Lenica
Lenocyathus
Lepidospongia
Leptolacis
Leptomitella
Leptomitus
Leptophragma
Leptopoterion
Leptosocyathellus
Leptosocyathus
Lerouxia
Leuconia
Lewinia
Lichuanopora
Lichuanospongia
Licmosinion
Lineastroma
Linochone
Linonema
Liscombispongia
Lissocoelia
Lithopora
Lithostrobilis
Litophyllum
Loculicyathus
Loganiella
Lonsda
Lopadophorus
Lopanella
Lophiostroma
Ludictyon
Lumectospongia
Lunulacyathus
Lychniscaulus
Lyidium
Lymnorea
Lyrodictya
Lysactinella

M

Macandrewia
Macandrewites
Mackenziecyathus
Macrobrochus
Madonia
Maiandrocyathus
Makiyama
Malinowskiella
Malluviospongia
Malumispongium
Mamelohindia
Marginospongia
Marinduqueia
Markocyathus
Marshallia
Mastodictya
Mastodictyum
Mastophorus
Mastophyma
Mastosia
Mattajacyathus
Mattaspongia
Matthewcyathus
Mawsonicoscinus
Meandripetra
Meandrospongia
Meandrostia
Megalelasma
Megalithistida
Megaloraphium
Megarhiza
Megastroma
Megastylia
Melkanicyathus
Melonanchora
Melonella
Membranacyathus
Mennericyathus
Merlia
Metaldetes
Metamsassia
Metschnikowia
Metyacyathellus
Microblastidium
Microcoryne
Microdendron
Microhemidiscia
Microrhizophora
Microstaura
Mikhnocyathus
Milleporella
Milleporidium
Mimeticosia
Mixtusdictyon
Moleculospina
Molengraafia
Molybdocyathus
Monilispongia
Mootwingeecyathus
Morenicyathus
Moretia
Moretiella
Moretispongia
Mortieria
Moskovia
Mrassocyathus
Muchattocyathus
Muellerithalamia
Multiloqua
Multipocula
Multistella
Multivasculatus
Murania
Murguithalamia
Myliusia
Myrioporina
Myrmecidium
Myrmeciophytum
Myrmecioptychium
Mysterium
Myxilla

N

Nabaviella
Nalivkinicyathus
Napaeana
Nelumbia
Nelumbifolium
Nematinion
Nematosalpinx
Neobeatricea
Neoguadalupia
Neohindia
Neoloculicyathus
Neopelta
Neosyringostroma
Nepheliospongia
Nephelispongia
Neuropora
Nevadathalamia
Nevadocoelia
Newellia
Nibionia
Nipterella
Nitidus
Nochoroicyathus
Nodulipora
Norfordia
Nostrocyathus
Novitella
Nucha
Nuratadictyon

O

Ocellaria
Octobrum
Oculospongia
Offella
Okulitchicyathus
Okulitchina
Olangocoelia
Olgaecyathus
Oligoplagia
Olkenbachia
Oncocladia
Oncophora
Oncosella
Oncotoechus
Opeamorphus
Opetionella
Ophiodesia
Ophiraphidites
Ophrystoma
Oppligera
Orbiasterocyathus
Orbicoscinus
Orbicyathellus
Orbicyathus
Ordinatus
Orecyta
Orienticyathus
Ornatus
Orospheciom
Orthodiscus
Ortmannia
Ortmannispongia
Oslodictyon
Oxyrhizium
Ozarkocoelia
Ozospongia
Ozotrachelus

P

Pachastrella
Pachyascus
Pachycalymma
Pachycorynea
Pachycoscinus
Pachycothon
Pachylepisma
Pachymura
Pachynion
Pachypoterion
Pachypsechia
Pachyrachis
Pachysalax
Pachystylostroma
Pachyteichisma
Pachytheca
Pachytilodia
Palaeoaplysina
Palaeoconularia
Palaeojerea
Palaeomanon
Palaeophragmodictya
Palaeophyma
Palaeosaccus
Palaeoschada
Palaeostauronema
Palermocoelia
Palmatohindia
Palmericyathus
Pamirochaetetes
Pamiropora
Pamirostroma
Panormida
Pantokratoria
Papillocyathus
Paraaplysinofibria
Paracoscinus
Paracraticularia
Paradeningeria
Paraleptomitella
Parallelopora
Parallelostroma
Paramblysiphonella
Paranacyathus
Paraspelaeum
Parastromatopora
Paravesicocaulis
Parethmophyllum
Parksia
Parodospongia
Paropsites
Paruvanella
Patanophyma
Patellispongia
Pattersonia
Pelicaspongia
Pennastroma
Peregrinicyathus
Perimera
Periphragella
Periplectum
Perissocoelia
Peronella
Perplexostroma
Petalope
Petroidistroma
Petrosistroma
Petrosites
Petrostroma
Phacellopegma
Phalangium
Phanerochiderma
Pharetrospongia
Pheronema
Phialaspongia
Phlyctaenium
Phlyctia
Phobetractinia
Pholidocladia
Phormosella
Phragmocoelia
Phragmodictya
Phrissospongia
Phyllodermia
Phymaplecia
Phymaplectia
Phymaraphinia
Phymatella
Physocalpia
Physospongia
Piamaecyathellus
Pichiostroma
Pileolites
Pileospongia
Pinnatispongia
Pirania
Pisothalamia
Placochlaenia
Placojerea
Placonella
Placoscytus
Placotrema
Plakina
Platiferostroma
Platispongia
Platychonia
Platythalamiella
Plectascus
Plecteurette
Plectinia
Plectoderma
Plectodermatium
Plectospyris
Plectostroma
Plectroninia
Pleroma
Plethosiphonia
Pleurochorium
Pleuromera
Pleurope
Pleurophymia
Pleuropyge
Pleurostoma
Plexodictyon
Plicocyathus
Pliegatella
Plinthodermatium
Plinthosella
Pliobolia
Plioboliopsis
Plococonia
Plocoscyphia
Plumatalina
Pocillospongia
Podapsis
Polyactinella
Polyblastidium
Polycnemiseudea
Polycoscinus
Polycystocoelia
Polyedra
Polyendostoma
Polygonatium
Polylophidium
Polyosepia
Polyplectella
Polyrhipidium
Polyrhizophora
Polyschema
Polysiphon
Polysiphonella
Polysiphospongia
Polysiponeudea
Polystigmatium
Polystoma
Polysyge
Polytholosia
Polythyra
Polythyris
Polytretia
Porefieldia
Poriferella
Porkunites
Porochonia
Porocoscinus
Porocypellia
Porosphaera
Porosphaerella
Porospongia
Poterionella
Praeidiostroma
Praethalamopora
Precaratoporella
Precorynella
Prethmophyllum
Preverticillites
Prismodictya
Procorallistes
Procyathellus
Proeuplectella
Proeurete
Prohexactinella
Prokaliapsis
Promillepora
Propachastrella
Propleroma
Propriolynthus
Proseliscothon
Prosiphonella
Protachilleum
Protetraclis
Protoarmstrongia
Protohyalostelia
Protoleucon
Protopharetra
Protospongia
Protosycon
Protremadictyon
Psarodictyon
Psephosyllogus
Pseudoactinodictyon
Pseudoactinostroma
Pseudoamblysiphonella
Pseudochaetetes
Pseudoguadalupia
Pseudoguettardia
Pseudohydnoceras
Pseudoimperatgoria
Pseudojerea
Pseudolabechia
Pseudopalaeoaplysina
Pseudopemmatites
Pseudoplocoscyphia
Pseudoporefieldia
Pseudoscytalia
Pseudoseliscothon
Pseudoseptifer
Pseudostromatoporella
Pseudostylodictyon
Pseudosyringocnema
Pseudotrupetostroma
Pseudoverruculina
Pseudovirgula
Psilocalyx
Pterocalpia
Ptretiosocyathus
Ptychochaetetes
Ptychodesia
Pulchrilamina
Purisiphonia
Putapacyathus
Pycnocalyptra
Pycnoclonella
Pycnodesma
Pycnoidocoscinus
Pycnoidocyathus
Pycnopegma
Pycnospongia
Pyritonema
Pyrogochonia
Pyrospongia
Pyruspongia

Q

Quadrolaminiella

R

Raanespongia
Rackovskia
Racodiscula
Radicanalospongia
Radicispongia
Radioplica
Radiostroma
Radiothalamos
Radiotrabeculopora
Ragadinia
Rahbahthalmia
Ramalmerina
Ramispongia
Rankenella
Raphidonema
Rasetticyathus
Ratcliffespongia
Rauffia
Rectannulus
Regardrella
Regispongia
Regnardia
Reiswigia
Reniera
Retecoscinus
Retetumulus
Reticulcoelia
Reticullina
Retillamina
Rhabdactinia
Rhabdolynthus
Rhabdosispongia
Rhabdospongia
Rhabdotum
Rhagosplecion
Rhakistella
Rhaxella
Rhaxelloides
Rhizocheton
Rhizopoteronopsis
Rhizopsis
Rhizopterion
Rhizostele
Rhizotetraclis
Rhodanospongia
Rhogostomium
Rhombedonium
Rhombodictyon
Rhopalicna
Rhopalocoelia
Rhopaloconus
Rhopalospongia
Rhoptrum
Rhytidoderma
Riasanospongia
Rigbyella
Rigbyetia
Rigbyspongia
Ringifungia
Robertiolynthus
Robertocyathus
Robustocyathellus
Robustocyathus
Roemerispongia
Rosella
Rosenellinella
Rossocyathella
Rotundocyathus
Rozanovicoscinus
Rozanovicyathus
Rudanulus
Russocyathus
Russospongia
Rutkowskiella

S

Saccospongia
Sadleria
Saetaspongia
Sagittularia
Sahraja
Sajanocyathus
Sajanolynthus
Sakhacyathus
Salairella
Salairocyathus
Salzburgia
Sanarkocyathus
Sanarkophyllum
Sarophora
Saynospongia
Scheia
Scheiella
Scheielloides
Schistodictyon
Schizolites
Schrammeniella
Schumnyicyathus
Scleritoderma
Sclerocoelia
Sclerocyathus
Sclerokalia
Scleroplegma
Sclerothamnopsis
Scolecosia
Scolioraphis
Scribroporella
Scytalia
Scythophyma
Sebargasia
Sekwicyathus
Seliscothon
Semperella
Senowbaridaryana
Sentinella
Septochaetetes
Seranella
Sergaelites
Sestrocladia
Sestrodictyon
Sestrostomella
Shirdagopora
Shiveligocyathus
Shuqraia
Sibirecyathus
Sigmocoscinus
Sigmocyathus
Sigmofungia
Silicunculus
Simplexodictyon
Sinodictyon
Siphonia
Siphonocoelia
Siphostroma
Solenocoelia
Sollasia
Somersetella
Sontheimia
Sphaeractinia
Sphaeriella
Sphaerocoelia
Sphaerodictya
Sphaeropegma
Sphenaulax
Spherolichaetetes
Sphinctonella
Spinocladia
Spinosocyathus
Spinospongia
Spiractinella
Spirillicyathella
Spirolophia
Spirospongia
Spitsbergenia
Spongelites
Spongeoliomorpha
Spongiomorpha
Spongiothecopora
Sporadoporidium
Sporadopyle
Sporadoscinia
Squamosocyathus
Stachyodes
Stachyspongia
Stamnia
Staphylopora
Stapicyathus
Statanulocyathus
Stauractinella
Stauroderma
Stauronema
Steinerella
Steineria
Steinmanella
Steliella
Stellarispongia
Stelletta
Stellettites
Stellispongia
Stelodictyon
Stephanella
Stephanicyathus
Stephenospongia
Stereodictyum
Stevocyathus
Stichmaptyx
Stichophyma
Stictostroma
Stillicidocyathus
Stioderma
Stiodermiella
Stolleya
Stramentella
Stratispongia
Stratodictyon
Strephinia
Streptosolen
Streptospongia
Stromaporidium
Stromatidium
Stromatoaxinellia
Stromatocerium
Stromatodictyon
Stromatomorpha
Stromatopora
Stromatoporella
Stromatoporellata
Stromatoporellina
Stromatoporina
Stromatorhaxella
Stromatorhiza
Stromatospongia
Stromatostroma
Stylopegma
Styloporella
Stylostroma
Stylothalamia
Subascosymplegma
Subtilocyathus
Sulcastrella
Svetlanocyathus
Sycodictya
Syltispongia
Sylviacoscinus
Synaulia
Synopella
Synthetostroma
Synthetostroma
Syringocnema
Syringocyathus
Syringodictyon
Syringostroma
Syringostromina
Syringothalamus

T

Tabulacyathellus
Tabulacyathus
Taeniaecyathellus
Takakkawia
Taleastroma
Talpaspongia
Taplowia
Taraxaculum
Taylorcyathus
Tchojacyathus
Tebagathalamia
Teganium
Tegerocyathus
Tennericyathus
Tercyathellus
Tercyathus
Testispongia
Tetillopsis
Textispongia
Thalamnohaliclona
Thalamocyathus
Thalamopora
Thallospongia
Thamnodictya
Thamnonema
Thamnospongia
Thaumastocoelia
Thecosiphonia
Theneopsis
Theonella
Tholiasterella
Thoosa
Thrombus
Thyroidium
Thysanodictya
Tiddalickia
Tienodictyon
Timorella
Titusvillia
Tiverina
Tollicyathus
Tolminothalamia
Tologoicyathus
Toomeyospongia
Toquimiella
Toriscodermia
Torosocyathus
Tosastroma
Toulminia
Trachydictya
Trachynoton
Trachyphlyctia
Trachysinia
Trachyspecion
Trachysycon
Trachytila
Tragalimus
Trammeria
Tremabolites
Tremadictyon
Tremaphorus
Tremospongia
Tretocalia
Tretodictyum
Tretoechus
Triadocoelia
Trichospongia
Trigonostroma
Trininaecyathus
Tristratocoelia
Triticispongia
Trochobolus
Trupetostroma
Tubericyathus
Tubicoscinus
Tubispongia
Tubuliella
Tubuliporella
Tumulifungia
Tumuliolynthus
Tumulocoscinus
Tumulocyathus
Turonia
Tuvacnema
Twenhofelella
Tylocyathus
Typhlopleura

U

Ubiquiradius
Uphantena
Uralonema
Uranosphaera
Urcyathella
Urcyathus
Urnacristata
Usloncyathus
Ussuricyathus
Uvacoelia
Uvanella
Uvothalamia

V

Vaceletia
Valhalla
Valospongia
Varneycoelia
Vascothalamia
Vascothalmia
Vaurealispongia
Vauxia
Velellospongia
Ventriculites
Vermiculissimum
Veronicacyathus
Verrucospongia
Verruculina
Verticillites
Vesicocaulis
Vetulina
Vikingia
Virgaspongia
Virgula
Virmula
Vittia
Vologdinocyathellus
Vologdinocyathus

W

Waagenium
Wagima
Walliospongia
Wanella
Wapkia
Wapkiosa
Wareembra
Wareiella
Warrigalia
Warrriootacyathus
Welteria
Wewokella
Williamicyathus
Winwoodia
Wollemannia
Wongaspongia
Wrighticyathus

X

Xestecyathus
Xizangstromatopora
Xylospongia

Y

Yabeodictyon
Yavorskiina
Youngella
Yrrhiza
Yudjaicyathus
Yukonella
Yukonocyathus
Yukonensis

Z

Zangerlispongia
Zanklithalamia
Zardinia
Zeravshanella
Zhuravlevaecyathus
Zigzagella
Zittelella
Zitteleus
Zittelispongia
Zittelospongia
Zlambachella
Zonacoscinus
Zonacyathus
Zunyicyathus

References

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