Sphaerochitina |
Sphaerochitina dubia
|
Africa |
Middle Gothlandian |
Late Gothlandian |
Sphaerochitina |
Sphaerochitina fenestrata
|
Africa |
Frasnian |
Famennian |
Sphaerochitina |
Sphaerochitina fungiformis
|
Europe |
Llandoverian |
Ludlovian |
Sphaerochitina |
Sphaerochitina llorona
|
Europe |
Late Gothlandian |
|
Sphaerochitina |
Sphaerochitina longicollis
|
Africa |
Llandoverian |
|
Sphaerochitina |
Sphaerochitina longicollis
|
Europe |
Early Devonian |
|
Sphaerochitina |
Sphaerochitina lucianoi
|
North America |
Late Gothlandian |
Early Devonian |
Sphaerochitina |
Sphaerochitina lucianoi
|
Asia |
Late Gothlandian |
Early Devonian |
Sphaerochitina |
Sphaerochitina mundana
|
Europe |
Caradocian |
|
Sphaerochitina |
Sphaerochitina nodulosa
|
Africa |
Devonian |
|
Sphaerochitina |
Sphaerochitina nodulosa
|
Africa |
Early Gothlandian |
Late Devonian |
Sphaerochitina |
Sphaerochitina pilosa
|
Europe |
Frasnian |
|
Sphaerochitina |
Sphaerochitina pilosa
|
Africa |
Middle Gothlandian |
Late Devonian |
Sphaerochitina |
Sphaerochitina pistilliformis
|
Africa |
Frasnian |
Famennian |
Sphaerochitina |
Sphaerochitina pistilliformis
|
Europe |
Late Gothlandian |
|
Sphaerochitina |
Sphaerochitina pistilliformis
|
Africa |
Early Gothlandian |
Late Devonian |
Sphaerochitina |
Sphaerochitina schwalbi
|
North America |
Givetian |
|