Polyedryxium |
Polyedryxium venustum
|
Nd |
Couvinian |
|
Polyedryxium |
Polyedryxium diabolicum
|
Nd |
Couvinian |
Givetian |
Umbellasphaeridium |
Umbellasphaeridium saharicum
|
Nd |
Couvinian |
Strunian |
Pseudolunulidia |
Pseudolunulidia imperatrizensis
|
Nd |
Couvinian |
Strunian |
Micrhystridium |
Micrhystridium oceaniae
|
Nd |
Frasnian |
|
Micrhystridium |
Micrhystridium pelagicum
|
Nd |
Frasnian |
|
Micrhystridium |
Micrhystridium rectangulare
|
Nd |
Frasnian |
|
Micrhystridium |
Micrhystridium tornacense
|
Nd |
Frasnian |
|
Stellinium |
Stellinium vanmeelii
|
Nd |
Frasnian |
|
Veryhachium |
Veryhachium legrandii
|
Nd |
Frasnian |
|
Leiofusa |
Leiofusa procera
|
Nd |
Frasnian |
Strunian |
Leiofusa |
Leiofusa pumilia
|
Nd |
Frasnian |
Strunian |
Veryhachium |
Veryhachium pastore
|
Nd |
Frasnian |
Strunian |
Crassiangulina |
Crassiangulina tesselita
|
Nd |
Famennian |
Strunian |
Horologinella |
Horologinella quadrispina
|
Nd |
Famennian |
Strunian |
Dasydiacrodium |
Dasydiacrodium polarum
|
Nd |
Nd |
|
Dicrodiacrodium |
Dicrodiacrodium fulcratum
|
Nd |
Nd |
|