Fossil group: Acritarcha
Genus Micrhystridium Deflandre, 1939

Taxon ID: 1386 | 2009-12-01 / 2013-10-12
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 | Estiastra | Excultibrachium | Fimbriaglomerella | Florisphaeridium | Globosphaeridium | Goniosphaeridium | Gorgonisphaeridium | Gyalorhethium | Hapsidopalla | Helosphaeridium | Impluviculus | Izhoria | Joehvisphaera | Kundasphaera | Labyrinthosphaeridium | Lacunosphaeridium | Ladogella | Leiofusa | Leiosphaeridia | Leiovalia | Liepaina | Liliosphaeridium | Lophosphaeridium | Lunulidia | 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: Micrhystridium acerbum | Micrhystridium brevispinosum | Micrhystridium curvatum | Micrhystridium digitatum | Micrhystridium dissimilare | Micrhystridium eatonensis | Micrhystridium equispinosum | Micrhystridium exiguum | Micrhystridium fragile | Micrhystridium granulatum | Micrhystridium henryi | Micrhystridium lanatum | Micrhystridium lanceolatum | Micrhystridium lasnamaegiense | Micrhystridium minimum | Micrhystridium nannacanthum | Micrhystridium nanodigitatum | Micrhystridium notatum | Micrhystridium parinconspicuum | Micrhystridium parvulum | Micrhystridium polygonale | Micrhystridium punctatum | Micrhystridium shinetonensis | Micrhystridium spinosum | Micrhystridium stellatum | Micrhystridium taeniosum | Micrhystridium uncinatum | Micrhystridium varipinnosum | Micrhystridium varispinosum
Stratigraphic range: Cambrian Cretaceous | ~ 542,0–65,5 Ma
Baltoscandian species (in database): 32

Selection of related publications

  • Paalits, 1992b. Upper Cambrian acritarchs from boring core M-72 of North Estonia
  • Smelror, 1991. Palynomorphs from the Cyrtograptus centrifugus graptolite zone (Early Wenlock, Silurian), Bornholm
  • Uutela & Tynni, 1991. Ordovician acritarchs from the Rapla borehole, Estonia

Taxon occurrences on map


Identifications of taxon in collection specimens

Taxon images

Micrhystridium varispinosum Uutela et Tynni, 1991, GIT 344-203
GIT 344-203 Micrhystridium varispinosum Uutela et Tynni, 1991
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Micrhystridium digitatum Uutela et Tynni, 1991, GIT 344-160
GIT 344-160 Micrhystridium digitatum Uutela et Tynni, 1991
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Micrhystridium taeniosum Uutela et Tynni, 1991, GIT 344-185
GIT 344-185 Micrhystridium taeniosum Uutela et Tynni, 1991
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Micrhystridium sp. 1, GIT 344-204
GIT 344-204 Micrhystridium sp. 1
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Micrhystridium stellatum f. latispinosum n. forma, GIT 344-184
GIT 344-184 Micrhystridium stellatum f. latispinosum n. forma
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Micrhystridium lasnamaegiense Uutela et Tynni, 1991, GIT 344-178
GIT 344-178 Micrhystridium lasnamaegiense Uutela et Tynni, 1991
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Micrhystridium varipinnosum Uutela et Tynni, 1991, GIT 344-202
GIT 344-202 Micrhystridium varipinnosum Uutela et Tynni, 1991
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Micrhystridium parvulum Uutela et Tynni, 1991, GIT 344-181
GIT 344-181 Micrhystridium parvulum Uutela et Tynni, 1991
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Micrhystridium polygonale Uutela et Tynni, 1991, GIT 344-182
GIT 344-182 Micrhystridium polygonale Uutela et Tynni, 1991
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Micrhystridium sp. 2, GIT 344-205
GIT 344-205 Micrhystridium sp. 2
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Micrhystridium brevispinosum Uutela et Tynni, 1991, GIT 344-158
GIT 344-158 Micrhystridium brevispinosum Uutela et Tynni, 1991
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Micrhystridium granulatum Uutela et Tynni, 1991, GIT 344-177
GIT 344-177 Micrhystridium granulatum Uutela et Tynni, 1991
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Micrhystridium minimum Uutela et Tynni, 1991, GIT 344-179
GIT 344-179 Micrhystridium minimum Uutela et Tynni, 1991
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Micrhystridium punctatum Uutela et Tynni, 1991, GIT 344-183
GIT 344-183 Micrhystridium punctatum Uutela et Tynni, 1991
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Micrhystridium nanodigitatum Uutela et Tynni, 1991, GIT 344-180
GIT 344-180 Micrhystridium nanodigitatum Uutela et Tynni, 1991
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Micrhystridium curvatum Uutela et Tynni, 1991, GIT 344-159
GIT 344-159 Micrhystridium curvatum Uutela et Tynni, 1991
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Micrhystridium nannacanthum Deflandre, 1945, GIT 344-187
GIT 344-187 Micrhystridium nannacanthum Deflandre, 1945
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Micrhystridium eatonensis Downie, 1959, GIT 344-172
GIT 344-172 Micrhystridium eatonensis Downie, 1959
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Micrhystridium inconspicum aremoricanum Paris et Deunff, 1970, GIT 344-186
GIT 344-186 Micrhystridium inconspicum aremoricanum Paris et Deunff, 1970
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Micrhystridium equispinosum Turner, 1984, GIT 344-173
GIT 344-173 Micrhystridium equispinosum Turner, 1984
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Micrhystridium shinetonensis Downie, 1958, GIT 344-189
GIT 344-189 Micrhystridium shinetonensis Downie, 1958
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Micrhystridium exiguum Rasul, 1979, GIT 344-174
GIT 344-174 Micrhystridium exiguum Rasul, 1979
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Micrhystridium stellatum salopiense Lister, 1970, GIT 344-191
GIT 344-191 Micrhystridium stellatum salopiense Lister, 1970
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Micrhystridium fragile Deflandre, 1947, GIT 344-175
GIT 344-175 Micrhystridium fragile Deflandre, 1947
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Micrhystridium stellatum Deflander, 1945, GIT 344-190
GIT 344-190 Micrhystridium stellatum Deflander, 1945
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