Nereidavus |
Nereidavus disjunctus
|
Iowa |
Early Famennian |
|
Protarabellites |
Protarabellites
|
Minnesota |
Mohawkian |
|
Cheiridogenys |
Cheiridogenys
|
Nd |
Nd |
|
Cheiridogenys |
Cheiridogenys borealis
sp. nov. |
Nd |
Nd |
|
Croneisigenys |
Croneisigenys
|
Nd |
Nd |
|
Kielanaegenys |
Kielanaegenys
|
Nd |
Nd |
|
Kielanaegenys |
Kielanaegenys neoperpensa
|
Nd |
Nd |
|
Arabellites |
Arabellites neoperpensus
|
Nd |
Nd |
|
Arabellites |
Arabellites americanus
sp. nov. |
Nd |
Nd |
|
Arabellites |
Arabellites arcuatus
|
Nd |
Nd |
|
Arabellites |
Arabellites germanicus
sp. nov. |
Nd |
Nd |
|
Arabellites |
Arabellites robustus
|
Nd |
Nd |
|
Arabellites |
Arabellites seidelae
sp. nov. |
Nd |
Nd |
|
Arabellites |
Arabellites spinosus
|
Nd |
Nd |
|
Ildraites |
Ildraites thuringensis
sp. nov. |
Nd |
Nd |
|
Ildraites |
Ildraites insignis
|
Nd |
Nd |
|
Leodicites |
Leodicites brevis
sp. nov. |
Nd |
Nd |
|