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Estiastra Eisenack 1959

PaleoDB taxon number: 170216

Parent taxon: Acritarcha according to H. N. Andrews 1970

Sister taxa: Acanthodiacrodium, Acanthorytidodiacrodium, Acanthozonodiacrodium, Angularia, Appendisphaera, Applanopsis, Archaeodiscina, Archaeofavosina, Archaeohystrichosphaeridium, Archaeoperisaccus, Archaeopertusina, Asperatopsophosphaera, Asteridium, Bacillidinium, Bacisphaeridium, Brochopsophosphaera, Buedingiisphaeridium, Ceratocystidiopsis, Circulisporites, Cirrifera, Clavaticystis, Codonia, Codoniella, Comasphaeridium, Concentricystes, Coronopsis, Cristallinium, Cyclodictyon, Cymatiosphaera, Dasydiacrodium, Dasyrytidodiacrodium, Deunffia, Dictyosphaeridium, Dictyotidium, Dimastigobolus, Diplofusa, Disphaeria, Domasia, Domasiella, Epicephalopyxis, Filisphaeridium, Fromea, Gorgonisphaeridium, Granomarginata, Halophoridia, Heliosphaeridium, Kildinella, Korojonia, Lacunalites, Leiofusa, Leiomarginata, Leiominuscula, Leiopsophosphaera, Leiosphaera, Leiosphaeridia, Limbicysta, Lophodiacrodium, Lophominuscula, Lophorytidodiacrodium, Lophosphaeridium, Lophozonodiacrodium, Lunulidia, Lusatia, Margominuscula, Mecsekia, Megasacculina, Membranolimbus, Membranosphaera, Micrhystridium, Microconcentrica, Microforaminiferal, Microrugosina, Navifusa, Nummus, Ocalasphaera, Odontothrix, Ooidium, Operculites, Ophiobolus, Orygmatosphaeridium, Palaeobion, Palaeocryptidium, Palaeostomocystis, Peteinosphaeridium, Platycystidia, Poikilofusa, Polyedrosphaeridium, Priscotheca, Protoarchaeosacculina, Protocridosphaeridium, Protoleiosphaeridium, Prototrematosphaeridium, Pterocystidiopsis, Pterospermopsimorpha, Pterospermopsis, Pterosphaeridia, Quisquilites, Recticystis, Retisphaeridium, Schismatosphaeridium, Schizocystia, Simsangia, Solisphaeridium, Spicadinium, Staplinium, Stictosphaeridium, Stylodiniopsis, Symplassosphaeridium, Synsphaeridium, Tetrabrachiophora, Trachydiacrodium, Trachysphaeridium, Trematosphaeridium, Triangulopsis, Trigonopyxidia, Trigonopyxis, Variomargosphaeridium, Vavososphaeridium, Veryhachium, Wilsonastrum, Zonooidium, Zonosphaeridium

Subtaxa: Estiastra magna, Estiastra minima

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Type: Estiastra minima