Priscogalea |
Priscogalea simplex
|
Africa(Sahara) |
Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium simplex
|
Africa(Sahara) |
Tremadocian |
|
Cymatiogalea |
Cymatiogalea stelligera
|
Africa(Sahara) |
Tremadocian |
|
Priscogalea |
Priscogalea furcata
|
Africa(Sahara) |
Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium furcatum
|
Africa(Sahara) |
Tremadocian |
|
Cymatiogalea |
Cymatiogalea barbara
|
Algeria |
Tremadocian |
|
Priscogalea |
Priscogalea barbara
|
Algeria |
Tremadocian |
|
Priscogalea |
Priscogalea columellifera
|
Algeria |
Tremadocian |
|
Cymatiogalea |
Cymatiogalea columellifera
|
Algeria |
Tremadocian |
|
Priscogalea |
Priscogalea cortinula
|
Algeria |
Tremadocian |
|
Stelliferidium |
Stelliferidium cortinulum
|
Algeria |
Tremadocian |
|
Priscogalea |
Priscogalea furcata
|
Algeria |
Tremadocian |
|
Stelliferidium |
Stelliferidium furcatum
|
Algeria |
Tremadocian |
|
Stelliferidium |
Stelliferidium simplex
|
Algeria |
Tremadocian |
|
Priscogalea |
Priscogalea simplex
|
Algeria |
Tremadocian |
|
Cymatiogalea |
Cymatiogalea granulata
|
Czechoslovakia |
Arenigian |
|
Stelliferidium |
Stelliferidium striatulum
|
Czechoslovakia |
Arenigian |
|