Parachitina |
Parachitina curvata
|
Europe |
Ordovician |
|
Parachitina |
Parachitina curvata
|
Africa |
Llanvirnian |
|
Plectochitina |
Plectochitina carminae
|
Europe |
Late Gothlandian |
Early Devonian |
Plectochitina |
Plectochitina pseudoagglutinans
|
Africa |
Llandoverian |
|
Plectochitina |
Plectochitina pseudoagglutinans
|
Europe |
Late Gothlandian |
|
Plectochitina |
Plectochitina rosendae
|
Europe |
Late Gothlandian |
Early Devonian |
Plectochitina |
Plectochitina saharica
|
Africa |
Llandoverian |
|
Pogonochitina |
Pogonochitina grandis
|
Africa |
Middle Ordovician |
Late Ordovician |
Pogonochitina |
Pogonochitina simplex
|
Europe |
Caradocian |
|
Pogonochitina |
Pogonochitina spinifera
|
Europe |
Caradocian |
|
Pogonochitina |
Pogonochitina spinifera
|
Europe |
Caradocian |
|
Pterochitina |
Pterochitina deichai
|
Africa |
Llandoverian |
|
Pterochitina |
Pterochitina macroptera
|
Europe |
Early Gothlandian |
Middle Gothlandian |
Pterochitina |
Pterochitina perivelata
|
Europe |
Llandoverian |
Ludlovian |
Pterochitina |
Pterochitina retracta
|
Europe |
Llandeilian |
|
Ramochitina |
Ramochitina ramosi
|
North America |
Early Devonian |
|
Ramochitina |
Ramochitina ramosi
|
Asia |
Early Devonian |
|