Family

Aparchitidae Jones, 1901


TUG 1045-32	Baltonotella \| Baltonotella sp.	Hällekis	Middle Ordovician
TUG 1120-41	Baltonotella kuckersiana	Kohtla-Järve	Kukruse Stage \| CII	holotype
GIT 139-107	Estonaceratella estona \| Monoceratella estona Sarv, 1962	Moe stratotype outcrop	Pirgu Stage
GIT 139-50	Longidorsa? porkuniensis \| Breivibolbina? porkuniensis (K. Stumbur, 1956)	Porkuni quarry	Porkuni Stage
GIT 139-57	Estonaceratella estona \| Monoceratella estona Sarv, 1962	Porkuni	Porkuni Stage	holotype
GIT 139-58	Estonaceratella estona \| Monoceratella estona Sarv, 1962	Moe stratotype outcrop	Pirgu Stage
GIT 139-59	Estonaceratella estona \| Monoceratella estona Sarv, 1962	Moe stratotype outcrop	Pirgu Stage
GIT 139-60	Estonaceratella estona \| Monoceratella estona Sarv, 1962	Röa-Jakobi quarry	Porkuni Stage
GIT 139-61	Estonaceratella estona \| Monoceratella estona Sarv, 1962	Porkuni quarry	Porkuni Stage
GIT 139-82	Brevidorsa kiesowii \| Baltonotella cf. kiesowii (Steusloff, 1894)	Porkuni quarry	Porkuni Stage