Bulbochitina |
Bulbochitina bryofera
|
Nd |
Late Ordovician |
Early Gothlandian |
Bulbochitina |
Bulbochitina dubia
|
Nd |
Early Gothlandian |
|
Bursachitina |
Bursachitina
|
Nd |
Early Llanvirnian |
Late Givetian |
Bursachitina |
Bursachitina carmenchuae
|
Nd |
Late Ordovician |
|
Bursachitina |
Bursachitina filifera
|
Nd |
Tarannon |
|
Bursachitina |
Bursachitina lagenomorpha
|
Africa |
Early Llanvirnian |
Late Llandeilian |
Bursachitina |
Bursachitina lagenomorpha
|
South America |
Early Llandeilian |
Late Ashgillian |
Bursachitina |
Bursachitina lagenomorpha
|
Europe |
Caradocian |
|
Bursachitina |
Bursachitina oelandica
|
Nd |
Tarannon |
|
Bursachitina |
Bursachitina pachyaster
|
Nd |
Late Ordovician |
Late Givetian |
Bursachitina |
Bursachitina panzuga
|
Nd |
Early Gothlandian |
|
Bursachitina |
Bursachitina regnelli
|
Europe |
Early Llanvirnian |
|
Cladochitina |
Cladochitina
|
Nd |
Early Emsian |
Late Couvinian |
Cladochitina |
Cladochitina biconstricta
|
Nd |
Emsian |
|
Clathrochitina |
Clathrochitina
|
Nd |
Early Llandeilian |
Middle Ludlovian |
Clathrochitina |
Clathrochitina clathrata
|
Nd |
Middle Ludlovian |
|
Clathrochitina |
Clathrochitina retifera
|
Nd |
Early Llandeilian |
Early Caradocian |