Quadruilobus |
Quadruilobus spinatus
|
Nd |
Caradocian |
|
Quisquilites |
Quisquilites
|
Nd |
Nd |
|
Quisquilites |
Quisquilites buckhornensis
|
Nd |
Late Devonian |
|
Quisquilites |
Quisquilites imperatrizensis
|
Nd |
Middle Devonian |
|
Quisquilites |
Quisquilites ornatus
|
Nd |
Early Carboniferous |
|
Quisquilites |
Quisquilites pluralis
|
Nd |
Early Carboniferous |
|
Quisquilites |
Quisquilites widderensis
|
Nd |
Givetian |
|
Radialetes |
Radialetes costatus
|
Nd |
Early Carboniferous |
|
Radialetes |
Radialetes costatus
|
Nd |
Early Carboniferous |
|
Retialetes |
Retialetes
|
Nd |
Nd |
|
Retialetes |
Retialetes
|
Nd |
Nd |
|
Retialetes |
Retialetes bobrinkii
|
Nd |
Early Carboniferous |
|
Retialetes |
Retialetes dubius
|
India(Assam) |
Early Eocene |
Middle Eocene |
Retialetes |
Retialetes emendatus
|
Nd |
Early Eocene |
|
Retialetes |
Retialetes giganteus
|
China(Shensi) |
Kungurian |
|
Retialetes |
Retialetes legionis
|
Nd |
Ludlovian |
Early Gedinnian |
Retialetes |
Retialetes quilonensis
|
Nd |
Nd |
|