Genus Baltisphaeridium

Species total:
794
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Baltisphaeridium texanum Early Cretaceous Early Cretaceous
Baltisphaeridium armatum Cretaceous Senonian
Baltisphaeridium ferox Cretaceous Danian
Baltisphaeridium sarjeantii Late Tithonian Valanginian
Baltisphaeridium aculigerum Kimmeridgian Kimmeridgian
Baltisphaeridium pseudhystrichodinium Rauracian Early Eocene
Baltisphaeridium claviculorum Early Oxfordian Berriasian
Baltisphaeridium dictyophorum Late Jurassic Late Jurassic
Baltisphaeridium sp. Volk.& Quat.,1977 Late Jurassic Early Cretaceous
Baltisphaeridium jaculigerum Middle Bathonian Late Bathonian
Baltisphaeridium heteracanthum Middle Bathonian Late Bathonian
Baltisphaeridium tribuliferum Middle Jurassic Late Jurassic
Baltisphaeridium sp.577 de J.& Goub.,1962 Dogger Malm
Baltisphaeridium iaculigerum Dogger Tithonian
Baltisphaeridium eypensis Pliensbachian Late Toarcian
Baltisphaeridium devilispinum Early Carixian Toarcian
Baltisphaeridium diversispinosum Early Jurassic Early Domerian