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
  • Uutela & Tynni, 1991. Ordovician acritarchs from the Rapla borehole, Estonia
  • Smelror, 1991. Palynomorphs from the Cyrtograptus centrifugus graptolite zone (Early Wenlock, Silurian), Bornholm

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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