Genus

Baltisphaeridium Eisenack, 1958

Selection of related publications
Uutela, A., Tynni, R. 1991. Ordovician acritarchs from the Rapla borehole, Estonia. Geological Survey of Finland. Bulletin 353, 1-135.
Volkova, N. A., Kiryanov, V. V., Piskun, L. V., Paškevičiene, L. T., Jankauskas, T. V. 1979. Microflora. Upper Precambrian and Cambrian paleontology of East-European platform, pp. 4-38. Nauka.
Bockelie, T. G., Kjellström, G. 1979. Middle Ordovician acritarchs from the island of Odinsholm, Estonia. GFF 101, 3, 205-216. DOI:10.1080/11035897909448574
Jankauskas, T. 1976. Novye vidy akritarh iz niznego kembriâ Pribaltiki. Transactions of the Institute of Geology and Geophysics 296, 187-193. Nauka.
Fridrichsone, A. 1971. Acritarchs Baltisphaeridium and Hystrichosphaeres (?) from the Cambrian sediments of Latvia. Palaeontology and stratigraphy of the Baltic and Byelorussia. Number III, pp. 5-17. Mintis.
List of species
1. Baltisphaeridium accinctum Loeblich et Tappan, 1978 | Volkhov StageKukruse Stage
4. Baltisphaeridium annelieae Kjellström, 1976 | Kunda StageKukruse Stage
5. Baltisphaeridium bramkae Gorka, 1979 | Aseri StagePirgu Stage
8. Baltisphaeridium brevispinosum (Eisenack, 1931) | Volkhov StageLasnamägi Stage
10. Baltisphaeridium bystrentos Loeblich et Tappan, 1978 | Lasnamägi StagePorkuni Stage
15. Baltisphaeridium cirsinum Uutela et Tynni, 1991 | Volkhov StageUhaku Stage
18. Baltisphaeridium dasos Colbath, 1979 | Lasnamägi StagePirgu Stage
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Classification
Organism groupBiota
Protista
Acritarcha
SupergenusAcanthosphaera
GenusAcanthodiacrodium
Acrosphaeridium
Actinotodissus
Actipillion
Akomachra
Ammonidium
Aranidium
Arbusculidium
Archaeodiscina
Archaeopsophosphaera
Archaeosacculina
Arcosphaeridium
Aremoricanium
Arkonia
Aryballomorpha
Asteridium
Athabascaella
Axisphaeridium
Bacisphaeridium
Baltisphaeridium
Speciesaccinctum
acerosum
adiastaltum
aliquigranulum
annelieae
bramkae
bramkaense
breviciliatum
brevispinosum
brevituberculatum
bystrentos
calicispinae
capillatum
castaneiforme
christoferii
cirsinum
constrictum
curtatum
dasos
delicatum
digitaliforme
digitiforme
dispar
disparicanale
eisenackianum
esthonicum
filosum
flagellicum
flexuosum
globosum
hamatum
heinzelinii
hirsutoides
ingerae
kaurannei
klabavense
latiradiatum
longispinosum
maius
microspinosum
multiechinatum
multipilosum
nanninum
nannium
oejlemyrensis
oligopsakium
onniense
pachyacanthum
parvigranosum
parvulisidereum
pauciverrucosum
perclarum
pilosiusculum
plicatispinae
primarium
pseudocalicispinum
pustulatum
ramiferum
ritvae
rojensis
stipaticum
trabeculaespinae
tranvikensis
trichoporum
trophirhapium
tuberculatum
verrucatum
vilnense
GenusBuchinia
Buedingiisphaeridium
Caldariola
Calyxiella
Carinatosphaeridium
Celtiberium
Ceratophyton
Cheleutochroa
Chlamydosphaeridia
Comasphaeridium
Coronitesta
Coryphidium
Costatilobus
Cristallinium
Cycloposphaeridium
Cymatiogalea
Cymatiosphaera
Dactylofusa
Dasydiacrodium
Dateriocradus
Deunffia
Dicommopalla
Dictyosphaeridium
Dictyotidium
Diexallophasis
Dilatisphaera
Domasia
Dominopolia
Dorsennidium
Elektroriskos
Elenia
Eliasum
Estiastra
Evittia
Excultibrachium
Ferromia
Filisphaeridium
Fimbriaglomerella
Florisphaeridium
Globosphaeridium
Goniosphaeridium
Gorgonisphaeridium
Granomarginata
Gyalorhethium
Hapsidopalla
Helosphaeridium
Impluviculus
Izhoria
Joehvisphaera
Kildinella
Kundasphaera
Labyrinthosphaeridium
Lacunosphaeridium
Ladogella
Leiofusa
Leiomarginata
Leiosphaeridia
Leiovalia
Liepaina
Liliosphaeridium
Loeblichia
Lophominuscula
Lophosphaeridium
Lunulidia
Lusatia
Margoporina
Metaleiofusa
Micrhystridium
Microconcentrica
Multiplicisphaeridium
Nanocyclopia
Navifusa
Nellia
Nexosarium
Nodosus
Nothooidium
Ooidium
Oppilatala
Ordovicidium
Orthosphaeridium
Ovulum
Pachysphaeridium
Palaeocladophora
Palaeomonostroma
Passalosphaera
Petaloferidium
Peteinosphaeridium
Pheoclosterium
Pirea
Podolina
Poikilofusa
Polyancistrodorus
Polyedryxium
Polygonium
Primoflagella
Primophlagella
Priscogaleata
Priscotheca
Protosphaeridium
Pseudotasmanites
Pterospermella
Pterospermopsis
Pulvinosphaeridium
Raphesphaera
Raplasphaera
Revinotesta
Rhopaliophora
Saharidia
Salopidium
Schismatosphaeridium
Schizodiacrodium
Skiagia
Solisphaeridium
Spumiosa
Stellechinatum
Stelliferidium
Stelomorpha
Stictosoma
Striatotheca
Synsphaeridium
Taeniosphaeridium
Tasmanites
Timofeevia
Tranvikium
Trichosphaeridium
Trunculumarium
Tuberculum
Tunisphaeridium
Tylotopalla
Tynnia
Veryhachium
Vesiculosphaera
Villosacapsula
Visbysphaera
Vogtlandia
Volkovia
Vulcanisphaera
Winwaloeusia
Zinkovioides
SubgenusBrochopsophosphaera
Eupoikilofusa
SpeciesAmpullula
Leiodiscina