Veryhachium |
Veryhachium staurasteroides
|
Nd |
Wenlockian |
|
Veryhachium |
Veryhachium stellatum
|
Nd |
Silurian |
|
Veryhachium |
Veryhachium stelligerum
|
Nd |
Middle Devonian |
|
Veryhachium |
Veryhachium stelligerum
|
Nd |
Ludlovian |
|
Veryhachium |
Veryhachium stelligerum
|
Nd |
Caradocian |
|
Veryhachium |
Veryhachium stelligerum
|
Nd |
Middle Devonian |
|
Veryhachium |
Veryhachium striatum
|
Nd |
Nd |
|
Veryhachium |
Veryhachium strictum
|
Nd |
Nd |
|
Veryhachium |
Veryhachium subglobosum
|
Nd |
Late Ordovician |
|
Veryhachium |
Veryhachium subhexahedron
|
Nd |
Nd |
|
Veryhachium |
Veryhachium subtetrahedron
|
Nd |
Permian |
Triassic |
Veryhachium |
Veryhachium symmetricum
|
Nd |
Arenigian |
|
Veryhachium |
Veryhachium tenuimacerium
|
Nd |
Ordovician |
|
Veryhachium |
Veryhachium tetraedron
|
Nd |
Early Devonian |
|
Veryhachium |
Veryhachium tetraedron
|
Nd |
Wenlockian |
|
Veryhachium |
Veryhachium tetragonum
|
Nd |
Late Ordovician |
|
Veryhachium |
Veryhachium tetrahedroide
|
Nd |
Ludlovian |
Siegenian |