Cylindrochitina |
Cylindrochitina
|
Nd |
Nd |
|
Melanocladus |
Melanocladus
|
Nd |
Nd |
|
Melanoclava |
Melanoclava
|
Nd |
Nd |
|
Melanocyathus |
Melanocyathus
|
Nd |
Nd |
|
Melanocyathus |
Melanocyathus dentatus
|
Nd |
Nd |
|
Melanofurcata |
Melanofurcata
|
Nd |
Nd |
|
Melanoporella |
Melanoporella
|
Nd |
Nd |
|
Melanorhachis |
Melanorhachis
|
Nd |
Nd |
|
Melanoskleritoites |
Melanoskleritoites anceptiferus
|
Nd |
Nd |
|
Melanosteus |
Melanosteus
|
Nd |
Ordovician |
Devonian |
Melanosteus |
Melanosteus acutus
|
Canada(Quebec) |
Pragian |
|
Melanosteus |
Melanosteus acutus
|
Canada(Quebec) |
Pragian |
|
Melanosteus |
Melanosteus acutus
|
Nd |
Ordovician |
Devonian |
Melanosteus |
Melanosteus acutus
|
Nd |
Ordovician |
Devonian |
Melanosteus |
Melanosteus anceps
|
Nd |
Ordovician |
Devonian |
Melanosteus |
Melanosteus anceps
|
Canada(Quebec) |
Pragian |
|
Melanosteus |
Melanosteus anceps
|
Nd |
Ordovician |
Devonian |