†phylum Problematica Andrews 1970

Full reference: H. N. Andrews. 1970. Index of Generic Names of Fossil Plants, 1820-1965. Geological Survey Bulletin 1-354

Parent taxon: Metazoa according to J. J., Jr. Sepkoski 2002

Sister taxa: Bilateria, Diploblastica, Homoblastica, Hyolithelminthida, Namalia, Vertebrosa, Westgardia, Beltanelliformis, Yangtziramulus, Muricassis, Ovatoscutum, Lidaconus, Convolutubus, Pentaradialomorpha, Megathrix, Silicea, Pseudovendia, Rangeomorpha, Kuckaraukia, Agmata, Bronicella, Euradiculata, Chondroplon, Eumetazoa, Chenmengella, Funisia, Sentularia, Silicispongea, Triradialomorpha, Deuteronectanebos, Kimberellomorpha, Bilaterialomorpha, Macrocypris kayi, Dictyorhabdus, Somatohelix, Gephyrea, Mesozoa, Tentaculitoidea, Atalotaenia, Xidazoon, Primocandelabrum, Goettingenia, Yelovichnus, Limacites, Ventogyrus, Rhizostomites, Evmiaksia, Porifera, Hiemalora, Oligoopilionus, Paracharnia, Arboreomorpha, Proarticulata, Khasaktidae, Nemiana, Yunnanomedusa, Lomosovis, Hadryniscala, Odontogriphidae, Cnidaria, Lazaichnus, Protolyellia, Scenellopsis, Petalonamae, Siphonoconcha, Subtilicyathus, Hadrynichorde, Armillifera, Persimedusites, Spygoria, Kinzeriidae, Parazoa, Bomakellia, Epitheliozoa, Eodiorygma, Erniettomorpha, Kullingia, Trichoplax, Palaeacmaea, Mawsonites, Parviscopa, Nectocarididae, Inaria, Tetraradialomorpha

Subtaxa: Acanthoclava Acanthosphaera Acidotocarena Acutitheca Aksuglobulus Amoebinella Ampelitocystis Amphoridium Ancienta Andobolus Animikiea Anzalia Archaeooides Archaeopetasus Archaeotremaria Archaeozoon Aristophycus Arthroon Artimyctella Ascosyrinx Aspidella Astropolithon Aurisella Babetosphaera Bactryllium Bavlinella Beltania Beltina Bensonia Biconulites Bicornifera Bioistodina Blastophycus Bolonia Bosworthia Botomaella Bovicornellum Boyarinovicyathidae Caelestites Calciphyton Calcisphaera Cambrocassis Cambroclavida Cambrogeorgina Cambrotrypa Caudomorpha Caveacus Cestites Chalasiocranos Charaussaia Chondropogon Clausisphaera Clavitella Cochleatina Coeloscleritophora Coleolidae Coleoloida Coleoloides Cristatodus Cupithecidae Cyclogeorgina Cycloites Cyrtochites Deccanosporium Dentachites Dictyophycus Dimorphoconus Dinocardia Dinomischus Dolichomocelypha Draffania Dvinia Dystachophycus Ebriella Ebrinula Ediacaria Emeithella Emmonsaspis Enchostoma Entosphaeroides Eocucumaria Eoescharopora Eoglobella Eophyton Eosphaera Etacystis Eumuensteria Eurysolenpora Fensiangia Fermoria Flabetheca Foerstia Foliaceria Fomitchella Forchhammera Fusuconcharium Gigartinites Globuloella Gochtia Gorlovella Granifer Greysonia Gunflintia Gymnosolen Hadrophycus Haliserides Harttites Heliophycus Henaniodus Hensonella Heosomocelypha Heterosculpotheca Hexagonaria Himanthalites Huangshandongella Huishea Huizenodus Humboldtochaeta Huroniospora Hydrocytium Hyphantaenia Indocera Isnella Itieria Jiangshanodus Kakabekia Kazakhstanotubulus Kelyphosphaera Kiehnensus Kinsabia Koksodus Korilacus Krishnania Labyrinthotuba Labyrinthus Ladinella Lascoa Lenaella Leptophycus Leveilleites Lianophycus Libodiscus Licrophycus Lithostachys Lochmophycus Lonchosaccus Lukatiella Mabiania Mamillodus Manchuriophycus Maritimella Martjanowskia Mawsonella Medusinites Megasphaera Meghystrichosphaeridium Melopetasus Microancientia Microphycus Micropylepora Microschedia Minjaria Miratheca Mitscherlichia Mobergellidae Mongoliacus Mongolitesta Muensteria Myxomycites Nemaphycus Nematophycus Nereograpsus Netrelytron Newlandia Nicolarites Nimbia Ningqiangsclerites Niphadus Palaeobotryllus Palaeobromelia Palaeorivularia Palhistiodinia Papillomembrana Parammodochium Pararchaeomonas Pararenicola Parmites Paropsonemidae Parvulonoda Perichoderma Phyllochiton Pilievicutis Pitella Platydendron Plexoramea Plicatolingula Plinthokonion Poludia Polycuppes Polygonosphaerites Polysiphonides Polysiphonidia Poratites Porocystis Portalia Portelia Praearenaria Pragmotheca Proarchaeocyathus Problematikum Protoarenicola Protobolus Protopterygotheca Psamathopalass Pseudokussiella Pteromidae Pterpmus Ptiloncodus Punctatus Pyrgites Pyxolithus Quadratapora Quadrorites Radiaxialia Radiocyatha Radiomura Radix Redkinia Redoubtia Resegia Reticulum Rhagnura Rotadiscidae Rugatotheca Sagittitheca Salanacus Scambocris Schodackia Scissotheca Scolithus Selenoplax Seletinicus Shamovella Shetlandia Shinteinella Siphonema Solenotia Sphenopteron Spinoceras Spiralella Spirangium Spongillopsis Sporocystis Spriggia Stefania Stictoconus Stoibostrombidae Sutivania Taitia Taonurus Tayshira Tchangsichiton Theobaldia Tintinnoidella Tommotitubulus Trachyrytidodiacrodium Trachyzonodiacrodium Tridia Tubigeorgina Tubulella Tumulduria Tungussia Tunudiscus Turuchania Tuvinia Vermiculites Wushicites Yangtzesclerites Yuliunia Yunnanodus Zoogleites

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