Explore extinct life by their name
(i.e., genus)

Explore extinct life by their common names
(i.e., Dinosaur, Bird)

Explore extinct life by family groupings
(i.e., cladistic relationships)

Explore extinct life by geological time period
(i.e., when the life form lived)

Explore extinct life by geographic location
(i.e., where the fossils were found)

Explore extinct life by paleontologist/author
(i.e., person(s) who named the life form)

Explore fantasy life forms shaped by the human mind and experience
(i.e., fictional creatures & monsters)

An introduction to the Extinct Life Pictorial Encyclopedia along with some statistics regarding what information is available

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Sponges
 
Abakanicyathus Acanothyra Acanthactinella Acanthasterella Acanthastrella
Acanthinocyathus Acanthochaetetes Acanthocoryna Acanthodictya Acanthophora
Acanthopora Acanthopyrgus Acanthoraphis Acanthospongia Achrochordiella
Achrochordonia Acloeodictya Acoelia Acoelocalyx Acosmostroma
Acrochordonia Actinocoelia Actinodictya Actinodictyon Actinofungia
Actinospongia Actinospongiella Actinostroma Actinostromaria Actinostromarianina
Actinostromella Actinostromina Actostroma Aculatostroma Acutipuerilis
Adaecyathus Adrianella Adriatella Afiacyathus Agastrocyathus
Aglithodictya Agyrekocyathus Ajacicyathellus Ajacicyathus P Aka
Aksopora Alaskacoscinus Alaskaspongia Alaskaspongiella Alasonia
Alataucyathus Alconeracyathus Aldanocyathus Alectona Alexandricyathus
Aliabadia Allantospongia Allassospongia Alleynodictyon Allomera
Allonia P Allosaccus Alosculum Alphacyathus Alpinothalamia
Altaicyathus Ambithalamia Amblysiphonella Amblysiphonelloides Amnestostroma
Amorphofungia Amphibleptula Amphilectella Amphipora Amphithelion
Amphorithalamia Amplaspongia Amsassia Anaptyctocyathus Andenipora
Andreaea Angaricyathus Anguispongia Angullongia Anisothalamia
Annaecoelia Annulispongia Annulocyathella Annulocyathus Annulofungia
Annulospongia Anomoclonella Anomorphites Anostylostroma Antalythalamia
Antarcticocyathus Anthaspidella Anthomorpha Anthracosycon Antoniocoscinus
Antrispongia Antrospongia Aphlebospongia Aphrocallistes Aphrosalpinx
Aplosphecion Aplysinofibra Aplysinofibria Apocoelia Aporosocyathus
Aptocyathella Aptocyathus Arakespongia Araneocyathus Araneosustroma
Arborohindia Arbuscula Archaeocyathellus Archaeocyathus P Archaeocyphia
Archaeodoryderma Archaeofungia Archaeolynthus Archaeopharetra Archaeoscyphia
Archaeosycon P Arctostroma Ardrossacyathus Arduorhiza Arhoussia
Arisacyathus Armstrongia Aroonacyathus Arrythmocricus Arthaberia
Arturocyathus Aruntacyathus Arystidictyon Asconema Ascospongiella
Ascosymplegma Asiphothalamia Asteractinella Asteriospongia Asterocalyx
Asterocyathus Asterospongia Asterotumulus Asthenospongia Astraeoconus
Astraeospongia C Astraeospongium P Astrobolia Astrocladia P Astroconia
Astrolemma Astropegma Astroporina Astrosclera Astrosclerida
Astrospongia Astrostylopsis Asturiaspongia Astylomanon Astyloscyphia
Astylospongia Astylospongiella Astylostroma Astylotuba Ataxiocyathus
Atelodictyon Atelostroma Atikokania Atopostroma Atrochaetetes
Attungaia Aulacera Aulacosia Aulacospongia Aulaxinia
Auliscocyathus Aulocopella Aulocopina Aulocopium Aulocopoides
Aulocricus Aulocyclus Aulodomus Aulophax Auloplax
Aulosoma Aulospongia Auriculospongia Australispongia Australospongia
Axiotubullina Azorica Azyrtalia Bacatocyathus Baccispongia
Bactronella Baghevangia Baikalocyathus Baikalopectinus Balantionella
Balatonia Barrandeolites Barroisia Batchatocyathus Batenevia
Bathotheca Batschikicyathus Batschykicyathus Battaglia Bauneia
Bayleicyathus Beaussetia Becksia Belemnospongia Belemnostroma
Belonisia Beltanacyathus P Belubulaia Belubulaspongia Belyaevaspongia
Benacia Bicoelia Bicolumnostratum Bicoscinus Bicyathus
Bifariostroma Bipallicyathus Bisiphonella Blastasteria Blastinia
Blastinoidea Blastochaetetes Blastulospongia Boikothalamia Bolidium
Bolitesia Bolojerea Bolospongia Boonderooia Borocyathus
Bothoteca Bothrochlaenia Bothroconis Bothrolemma Botocyathus
Botomocyathus Botroclonium Botryodictya Botryosella Bottonaecyathus
Boyarinovicyathus Brachiaster Brachiolites Brachiospongia Bractocyathus
Brevicirrus Brevisiphonella Brianispongia Brochodora Bullulodictyon
Burgundia Butakovicyathus Cadniacyathus Caesaria Calabrisiphonella
Calabrispongia Calathiscus Calathospongia Calcihexactina Calcistella
Calicia Caliculospongia Callibrochis Callicylix Callipelta
Callodictyon Callopegma Calthropella Calycocoelia Calycospongia
Calymmatina Calyptocoscinus Calyptrella Cambrocyathells Cambrocyathellus
Camellaspongia Cameroptychium Camerospongia Camptodictyon Cancellistroma
Canistrumella Canningella Capsolynthus Capsospongia Capsulocyathus
Carinacyathus Carinthiaspongus Carnegiea Carphites Carpicyathus
Carpomanon Carpospongia Carta Carterella Caryomanon
Caryospongia Casearia Caseispongia Cassianochaetes Cassianochaetetes
Cassianostroma Cassianothalamia Catenispongia Cauliculospongia Caulophacus
Cavispongia Cavospongiella Cavusonella Cellicyathus Celyphia
Centristella Centrosia Ceotinella Cephalites Cephaloraphidites
Ceraostroma Ceratodictya Ceratoporella Cerberorhaphidites Cercopodata
Ceriodictyon Chabakovicyathus Chaetetella Chaetetes Chaetetipora
Chaetetiporella Chaetetopsis Chakassicyathus Chalaropegma Changicyathus P
Chankacyathus Chaunactis Chaunoplectella Cheilosporites Chelispongia
Chenendopora Chiastoclonella Chiastocolumnia Chilcaia Chinaspongia
Chirospongia Choia P Choiaella Chondrocladia Chonelasma
Chonella Chonellopsis Chonodictyon Chouberticyathus Churanocyathus
Cinachyra Cinclidella Cincliderma Cinnabaria Circopora
Circoporella Cladocoropsis Cladodermia Cladodia Cladolithosia
Cladorhiza Cladospongia Claruscoscinus Claruscyathus Clathricoscinus
Clathricyathellus Clathricyathus Clathrispongia Clathrithalamus Clathrocoilona
Clathrocyathus Clathrodictyella Clathrodictyon P Clathrospongia Clathrostroma
Clavidictyon Claytonia Cleodictya Clepsydrospongia Cliefdenella
Cliefdenospongia Clifdenella Climacospongia Climacostroma Cliona
Cnemaulax Cnemicopanon Cnemidiastrum Cnemispongia Cnemopeltia
Cockbainia Coelocladia Coelocladiella Coeloconia Coelocorypha
Coeloptychium Coeloscyphia Coelosphaeroma Coenellostroma Coenostella
Coenostelodictyon Coenostroma Colinispongia Collatipora Colospongia
Colospongiella Colossolacis Colpospongia Columellaespongia Columna
Columnocoelia Columnostroma Compositocyathus Compsaspis Conannulofungia
Condylacanthus Coniatopenia Conicospongia Coniculospongia Conispongia
Conocoelia Consinocodium Constellatospongia Contignatiospongia Conwaymorrisispongia
Cooperaria Copleicyathus Corallidium Corallistes Cordilleracyathus
Cordiospongia Cordobicyathus Cornuaspongia Cornutocyathus Coronacollina P
Corralio Corticium Corticospongia Corticulospongia Corymbospongia
Corynella Corynospongia Coscinaulus Coscinocyathella Coscinocyathellus
Coscinocyathus Coscinopora Coscinoptycta Coscinospongia Coscinostoma
Costamorpha Costifer Cotylahindia Cotyliscus Coyptoporocyathus
Craniella Crassicoscinus Craterella Crateromorpha Craterospongiella
Craticularia Cribroscyphia Cribrospongia Cribrothalamia Criccophorina
Crispispongia Crucicyathus Crucispongia Crumillospongia P Crymocoelia
Cryptaporocyathus Cryptochiderma Cryptocoelia Cryptocoeliopsis Cryptodictya
Cryptolichenaria Cryptophragmus Cryptoporocyathus Cucumaltina Cupulina
Cupulochonia Cyathocricus Cyathodictya Cyathophycus Cyathophyscus
Cyathospongia Cyclochaetetes Cycloclema Cyclocyathella Cyclostigma
Cylicoopsis Cylindrophyma Cymbochlaenia Cypellia Cypellospongia
Cyptoporocyathus Cyrtobolia Cystauletes Cystispongia Cystistroma
Cystocerium Cystospongia Cystostroma Cystothalamia Cystothalamiella
Cytoracea Cytoracia Dactylites Dactylocalycites Dactylocalyx
Dactylotus Daharella Dailycyathus Debrennecyathus Deceptioncyathus
Defordia Degeletticyathus Dehornella Delijania Denaecyathellus
Denaecyathus Dendroclonella Dendrocoelia Dendrocyathus Dendrosclera
Dendrostroma Deningeria Densastroma P Densocyathus Dentatocoscinus
Dentatocyathus Dermatostroma Dermospheroidalis Desmidodictyon Desmidopora
Desmoderma Desmopora Desmostroma Devonoscyphia Devonospongia
Diacyparia Diagoniella Diagonodictya Diaplectia P Diasterofungia
Dichojerea Dicranoclonella Dictyocoelia Dictyocoscinus Dictyocyathus
Dictyofavus Dictyonocoelia Dictyophon Dictyophyton Dictyorhabdus
Dictyospongia Dictyosycon Didymocyathus Didymosphaera Diecithalamia
Dierespongia Diestosphecion Dilatispongia Dimorpha Diparistomaria
Diphyllospira Diplochaetetes Diplocyathellus Diplodictyon Diplopleura
Diplostoma Diplostroma Discaelia Dischonia Discispongia
Discocoeila Discodermites Discoelia Discophyma Discoptycha
Discosiphonella Discostroma Disjectopora Disparistromaria Ditraenella
Divaricospongia Djemelia Docoderma Docosaccus Dodecaactinella
Dokidocyathella Dokidocyathus Dongqiaostroma Dongqiaostromaria Doryderma
Dracolychnos Dracolychnus Dracospongia Drosdoria Drosdovia
Druidia Dunhillia Dupliporocyathus Dyoconia Dyocopanon
Dysidea Dystactospongia Ecblastesia Ecclimadictyon Ectenodictya
Edelsteinia Edriospongia Egania Egiinocyathus Eiffelia P
Eiffelospongia Elasma Elasmalimus Elasmocoelia Elasmoierea
Elasmostoma Ellesmerespongia Ellipsactinia Emploca Enaulofungia
Endoplegma Endostoma Enoplocoelia Ensiferites Entobia
Eochaunactis Eocoryne Eoscheiella Eospongia Eostromatopora
Eotretochone Epeudea Epiplastospongia Epistomella Epistromatopora
Epitheles Erbocyathus Eremitacyathus Erineum Erismacoscinus
Erugatocyathus Erylus Esperites Estrellaspongia Estrellospongia
Etalloniella Etheridgea Etheridgia Ethmocoscinus Ethmocyathus
Ethmophyllum Ethonophyllum Eubrochis Eubrochus Eudea
Eudictyon Euepirrhysia Euleraphe Eulespongia Euplectella
Eurete Euryamphipora Eurydiscites Euryplegma Eusiphonella
Eustrobilus Eutactostomium Euzittelia Euzkadiella Exanthesis
Exaulipora Exochopora Exodictydia Exotubispongia Exovasa
Faciledictyon Fallocyathus Falospongia P Fania Faniathalamia
Fansycyathus Fanthalamia Farrea Farreopsis Favilynthus
Favosichaetetes Feifelia Felixium Fenestrocyathus Fenestrospongia
Ferestromatopora Fieldingia Fieldospongia Finksella Fiscella
Fissispongia Fistellaspongia Fistulimurina Fistulisponga Fistulispongina
Fistulosospongia Fistulosponginina Flabellispongia Flexanulus Flexiostroma
Flexuospiculata Flindersicyathus Flosculus Foerstella Follicalena
Follicatena Forcepia Formosocyathus Forolina Forolinia
Fragilicyathus Fransuasaecyathus P Fridaycyathus Frinalicyathus Fusiferella
Gabelia Gabrielsocyathus Gagarinicyathus Galeospongia Galinaecyathus
Gallatinospongia Garraspongia Gaspespongia Gatagacyathus Geniculicyathus
Geocyathus Geodia Geodiopsis Geodites Gerbikanaecyathus
Gerronodictyon Gerronostroma Gevreya Gigantospongia Gigantothalamia
Gignouxia Gilletia Gillettia Ginkgospongia Girphanovella
Girtycoelia Girtyocoelia Girtyocoeliana Gleesonia Glenodictyum
Globispongia Globosocyathus Glomocystospongia Gloriosocyathus Glossospongia
Glyptostromoides Gnaltacyathus Gomphites Gonamispongia Gondekia
Gongylospongia Gordonicyathus Gordonifungia Goreauiella Graminospongia
Granulispongia Graphoscyphia Graphoscyphus Gravestockia Griphodictya
Grossotubenella Guadalupia Guangxispongia Guemeuria Guettardia
Guettardiscyphia Guitarra Guizhouchaetetes Gumbycyathus Gyrispongia
Habrosium Habrostroma Hadrophragmos Hadrophycus P Hajarispongia
Halichondria Halichondrites Halicondrites Halina Hallirhoa
Hallodictya Halodictyon Halysicyathus Hamacantha Hambastella
Hammatostroma Hamptonia Hamptoniella Hapalopegma Hapalospongia
Haplistion Haplistionella Hartmanina Hartmannia Hawkercyathus
Haynespongia Hazelia P Hazelina Heckericyathus Heftastylis
Helicodictya Heliospongia Helminthophyllum Helobrachium Heloraphinia
Hemidiagoniella Heminectere Hemithalamocyathus Henricellum Heptatubispongia
Hermatoporella Hermatostroma Hermatostromella Hesperocoelia Heterochone
Heteroraphidites Heterorete Heterospongia