Fossil group: Acritarcha
Genus Estiastra Eisenack, 1959

Taxon ID: 1516 | 2011-03-14 / 2013-09-29
Belongs to: Acritarcha
Sister taxa: Acanthodiacrodium | Acrosphaeridium | Actipillion | Akomachra | Ammonidium | Arbusculidium | Archaeodiscina | Arcosphaeridium | Aremoricanium | Arkonia | Asteridium | Athabascaella | Axisphaeridium | Bacisphaeridium | Baltisphaeridium | Buedingiisphaeridium | Caldariola | Calyxiella | Celtiberium | Ceratophyton | Cheleutochroa | Chlamydosphaeridia | Comasphaeridium | Coronitesta | Coryphidium | Costatilobus | Cristallinium | Cycloposphaeridium | Cymatiogalea | Cymatiosphaera | Dactylofusa | Dasydiacrodium | Dicommopalla | Dictyosphaeridium | Dictyotidium | Diexallophasis | Dilatisphaera | Domasia | Elektroriskos | Elenia | Eliasum | Excultibrachium | Fimbriaglomerella | Florisphaeridium | Globosphaeridium | Goniosphaeridium | Gorgonisphaeridium | Gyalorhethium | Hapsidopalla | Helosphaeridium | Impluviculus | Izhoria | Joehvisphaera | Kundasphaera | Labyrinthosphaeridium | Lacunosphaeridium | Ladogella | Leiofusa | Leiosphaeridia | Leiovalia | Liepaina | Liliosphaeridium | Lophosphaeridium | Lunulidia | Micrhystridium | Multiplicisphaeridium | Nanocyclopia | Nodosus | Oppilatala | Ordovicidium | Orthosphaeridium | Ovulum | Palaeocladophora | Palaeomonostroma | Peteinosphaeridium | Pheoclosterium | Pirea | Poikilofusa | Polyancistrodorus | Polyedryxium | Polygonium | Priscogaleata | Priscotheca | Pterospermella | Pterospermopsis | Pulvinosphaeridium | Raplasphaera | Revinotesta | Rhopaliophora | Saharidia | Salopidium | Skiagia | Solisphaeridium | Stellechinatum | Stelliferidium | Taeniosphaeridium | Tasmanites | Timofeevia | Tranvikium | Trichosphaeridium | Tunisphaeridium | Tylotopalla | Veryhachium | Villosacapsula | Visbysphaera | Volkovia | Vulcanisphaera | Winwaloeusia
Contains: Estiastra minima
Stratigraphic range: Cambrian Ordovician | ~ 542,0–443,7 Ma
Baltoscandian species (in database): 1

Selection of related publications

  • Uutela & Tynni, 1991. Ordovician acritarchs from the Rapla borehole, Estonia

Taxon occurrences on map


Identifications of taxon in collection specimens

Taxon images

Estiastra sp., GIT 344-110
GIT 344-110 Estiastra sp.
INFO | IMAGE
Estiastra minima Volkova, 1969, TUG 1521-18
TUG 1521-18 Estiastra minima Volkova, 1969
INFO | IMAGE