Order

Tetradiida Okulitch, 1936


GIT 180-77	Rhabdotetradium frutex \| Rhabdotetradium frutex Klaamann, 1966	Porkuni quarry	Porkuni Stage
GIT 94-12	Rhabdotetradium frutex \| Rhabdotetradium frutex Klaamann, 1966	Porkuni quarry	Porkuni Stage	holotype
GIT 94-13	Rhabdotetradium frutex \| Rhabdotetradium frutex Klaamann, 1966	Iida karst forms	Porkuni Stage