Genus Micrhystridium

Species total:
558
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Micrhystridium flandrianum Silurian Middle Siegenian
Micrhystridium flexibile Late Devonian Tournaisian
Micrhystridium flexipilosum Middle Cambrian Middle Cambrian
Micrhystridium flexispinosum Early Cambrian Early Cambrian
Micrhystridium folliculum Late Devonian Late Devonian
Micrhystridium formae i Late Permian Late Permian
Micrhystridium formae ii Late Permian Late Permian
Micrhystridium formosum Early Gothlandian Early Gothlandian
Micrhystridium fragile Paleozoic Pleistocene
Micrhystridium fraseri Late Paleocene Eocene
Micrhystridium frumentaceum Middle Devonian Late Devonian
Micrhystridium fucosum Late Cretaceous Late Cretaceous
Micrhystridium geminatum Late Riphean Late Riphean
Micrhystridium geniculatum Pleistocene Pleistocene
Micrhystridium gilsonii Holocene Holocene
Micrhystridium gliscum Toarcian Toarcian
Micrhystridium gogense Early Cambrian Early Cambrian