Superfamily

Aparchitacea Jones, 1901

Images
TUG 1045-32
Baltonotella | Baltonotella sp.
Middle Ordovician
TUG 1120-41 Kukruse Stage | CII holotype
GIT 139-107
Estonaceratella estona | Monoceratella estona Sarv, 1962
Pirgu Stage
GIT 139-50
Longidorsa? porkuniensis | Breivibolbina? porkuniensis (K. Stumbur, 1956)
Porkuni Stage
GIT 139-57
Estonaceratella estona | Monoceratella estona Sarv, 1962
Porkuni Stageholotype
GIT 139-58
Estonaceratella estona | Monoceratella estona Sarv, 1962
Pirgu Stage
GIT 139-59
Estonaceratella estona | Monoceratella estona Sarv, 1962
Pirgu Stage
GIT 139-60
Estonaceratella estona | Monoceratella estona Sarv, 1962
Porkuni Stage
GIT 139-61
Estonaceratella estona | Monoceratella estona Sarv, 1962
Porkuni Stage
GIT 139-82
Brevidorsa kiesowii | Baltonotella cf. kiesowii (Steusloff, 1894)
Porkuni Stage