Pistillachitina |
Pistillachitina elegans
|
Africa(Sahara) |
Early Llandoverian |
Middle Llandoverian |
Pistillachitina |
Pistillachitina elegans
|
Baltic |
Llandeilian |
|
Pistillachitina |
Pistillachitina latifrons
|
Europe |
Middle Ludlovian |
|
Pistillachitina |
Pistillachitina latifrons
|
Sweden |
Silurian |
|
Pistillachitina |
Pistillachitina micracantha
|
Europe |
Llandeilian |
Caradocian |
Pistillachitina |
Pistillachitina micracantha
|
USA |
Llandeilian |
Early Caradocian |
Pistillachitina |
Pistillachitina micracantha
|
Baltic |
Llandeilian |
|
Pistillachitina |
Pistillachitina pistillifrons
|
W.Germany(Rhineland) |
Llanvirnian |
Early Caradocian |
Plectochitina |
Plectochitina carminae
|
Europe |
Late Ludlovian |
Early Gedinnian |
Plectochitina |
Plectochitina fragilis
|
Europe |
Ludlovian |
Early Gedinnian |
Plectochitina |
Plectochitina fragilis
|
Africa(Sahara) |
Middle Llandoverian |
Late Llandoverian |
Plectochitina |
Plectochitina longicornis
|
Africa(Sahara) |
Llandoverian |
Gedinnian |
Plectochitina |
Plectochitina longicornis
|
Algeria |
Gothlandian |
Early Devonian |
Plectochitina |
Plectochitina nodosa
|
Africa(Sahara) |
Wenlockian |
Ludlovian |
Plectochitina |
Plectochitina nodosa
|
Algeria |
Gothlandian |
|
Plectochitina |
Plectochitina pseudoagglutinans
|
Africa(Sahara) |
Llandoverian |
|
Plectochitina |
Plectochitina rosendae
|
Europe |
Late Ludlovian |
Early Gedinnian |