Fossil group: Acritarcha
Genus Ordovicidium Tappan et Loeblich, 1971

Taxon ID: 10905 | 2013-10-27 / 2013-10-27
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 | Micrhystridium | Multiplicisphaeridium | Nanocyclopia | Nodosus | Oppilatala | 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: Ordovicidium aequifurcatum | Ordovicidium elegantulum | Ordovicidium groetlingboensis | Ordovicidium heteromorphicum | Ordovicidium nanofurcatum | Ordovicidium paucifurcatum
Baltoscandian species (in database): 7

Selection of related publications

  • Uutela & Tynni, 1991. Ordovician acritarchs from the Rapla borehole, Estonia
  • Bockelie & Kjellström, 1979. Acritarchs from the Uhaku Stage (Middle Ordovician) of the island of Odinsholm (Osmussaare), Estonia

Taxon occurrences on map


Identifications of taxon in collection specimens

  • Ordovicidium aequifurcatum (Kjellström), Loeblich et Tappan, 1978: 1 specimens
  • Ordovicidium elegantulum Tappan et Loeblich, 1971: 1 specimens
  • Ordovicidium groetlingboensis (Kjellström), Loeblich et Tappan, 1978: 1 specimens
  • Ordovicidium groetlingboensis f. clavatum n. forma: 1 specimens
  • Ordovicidium heteromorphicum (Kjellström), Loeblich et Tappan, 1978: 1 specimens
  • Ordovicidium nanofurcatum (Kjellström, 1971) n. comb.: 1 specimens
  • Ordovicidium nudum (Eisenack), Loeblich et Tappan, 1978.: 1 specimens
  • Ordovicidium paucifurcatum (Eisenack, 1959) n. comb.: 1 specimens

Taxon images

Ordovicidium groetlingboensis f. clavatum n. forma, GIT 344-275
GIT 344-275 Ordovicidium groetlingboensis f. clavatum n. forma
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Ordovicidium heteromorphicum (Kjellström), Loeblich et Tappan, 1978, GIT 344-231
GIT 344-231 Ordovicidium heteromorphicum (Kjellström), Loeblich et Tappan, 1978
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Ordovicidium nanofurcatum (Kjellström, 1971) n. comb., GIT 344-232
GIT 344-232 Ordovicidium nanofurcatum (Kjellström, 1971) n. comb.
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Ordovicidium elegantulum Tappan et Loeblich, 1971, GIT 344-229
GIT 344-229 Ordovicidium elegantulum Tappan et Loeblich, 1971
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Ordovicidium nudum (Eisenack), Loeblich et Tappan, 1978., GIT 344-233
GIT 344-233 Ordovicidium nudum (Eisenack), Loeblich et Tappan, 1978.
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Ordovicidium paucifurcatum (Eisenack, 1959) n. comb., GIT 344-234
GIT 344-234 Ordovicidium paucifurcatum (Eisenack, 1959) n. comb.
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Ordovicidium aequifurcatum (Kjellström), Loeblich et Tappan, 1978, GIT 344-228
GIT 344-228 Ordovicidium aequifurcatum (Kjellström), Loeblich et Tappan, 1978
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Ordovicidium groetlingboensis (Kjellström), Loeblich et Tappan, 1978, GIT 344-230
GIT 344-230 Ordovicidium groetlingboensis (Kjellström), Loeblich et Tappan, 1978
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