Fungochitina |
Fungochitina pistilliformis
|
Baltic |
Llandeilian |
|
Fungochitina |
Fungochitina schwalbi
|
USA |
Givetian |
|
Fungochitina |
Fungochitina schwalbi
|
Illinois |
Givetian |
|
Fungochitina |
Fungochitina sp
|
Africa(Sahara) |
Famennian |
|
Haplochitina |
Haplochitina glabra
|
Africa(Sahara) |
Frasnian |
Famennian |
Haplochitina |
Haplochitina oumdoulensis
|
Africa(Sahara) |
Frasnian |
Famennian |
Hercochitina |
Hercochitina crickmayi
|
USA |
Early Caradocian |
Middle Caradocian |
Hoegisphaera |
Hoegisphaera acollare
|
Europe |
Late Llandoverian |
Wenlockian |
Hoegisphaera |
Hoegisphaera acollare
|
Baltic |
Pridolian |
|
Hoegisphaera |
Hoegisphaera bransoni
|
USA |
Arenigian |
Llandeilian |
Hoegisphaera |
Hoegisphaera complanata
|
Europe |
Middle Arenigian |
Caradocian |
Hoegisphaera |
Hoegisphaera complanata
|
Baltic Sea |
Pridolian |
|
Hoegisphaera |
Hoegisphaera glabra
|
Europe |
Frasnian |
|
Hoegisphaera |
Hoegisphaera glabra
|
USA |
Frasnian |
Famennian |
Hoegisphaera |
Hoegisphaera lens
|
Europe |
Caradocian |
|
Hoegisphaera |
Hoegisphaera lens
|
France(Aquitaine) |
Llandeilian |
|
Hoegisphaera |
Hoegisphaera lenticularis
|
Europe |
Caradocian |
|