Suborder

Dichograptina Lapworth, 1873

Images
GIT 120-10
Didymograptellus bifidus | Didymograptellus bifidus (Hall, 1865)
Kunda Stage
GIT 120-11
Didymograptellus bifidus | Didymograptellus bifidus (Hall, 1865)
Kunda Stage
GIT 120-12
Didymograptellus bifidus | Didymograptellus bifidus (Hall, 1865)
Kunda Stage
GIT 120-6
Didymograptellus bifidus | Didymograptellus bifidus (Hall, 1865)
Kunda Stage
GIT 120-7
Didymograptellus bifidus | Didymograptellus bifidus (Hall, 1865)
Kunda Stage
GIT 120-8
Didymograptellus bifidus | Didymograptellus bifidus (Hall, 1865)
Kunda Stage
TUG 1299-138
Didymograptus | Didymograptus sp.
Lower Ordovician
TUG 1594-4-1
Phyllograptus angustifolius | Phyllograptus angustifolium Hall
Norra Middle Ordovician | Caradoc
TUG 1594-4-2
Phyllograptus angustifolius | Phyllograptus angustifolium Hall
Norra Middle Ordovician | Caradoc
TUG 1619-25
Clonograptus | Clonograptus sp.
Tremadocian | Türisalu kihistu