Genus

Micrhystridium Deflandre, 1937 emend. Sarjeant et Stancliffe, 1994


TUG 1520-2	Micrhystridium \| Micrhystridium sp.	Ülgase outcrop		Upper Cambrian (old nomenclature) \| Ülgase Fm.
TUG 1520-20	Micrhystridium \| Micrhystridium sp.	Ülgase outcrop		Upper Cambrian (old nomenclature) \| Ülgase Fm.
TUG 1521-35	Micrhystridium spinosum \| Micrhystridium spinosum Volkova, 1969			Middle Cambrian (old nomenclature)
TUG 1521-47	Micrhystridium notatum \| Micrhystridium notatum Volkova, 1969			Middle Cambrian (old nomenclature)
TUG 1521-55	Micrhystridium \| Micrhystridium sp.2			Middle Cambrian (old nomenclature)
TUG 1521-58	Micrhystridium notatum \| Micrhystridium notatum Volkova, 1969			Middle Cambrian (old nomenclature)
TUG 1521-59	Micrhystridium notatum \| Micrhystridium notatum Volkova, 1969			Middle Cambrian (old nomenclature)
TUG 1521-60	Micrhystridium notatum \| Micrhystridium notatum Volkova, 1969			Middle Cambrian (old nomenclature)
TUG 1521-73	Micrhystridium lanceolatum \| Micrhystridium lanceolatum Vanguestaine , 1974			Middle Cambrian (old nomenclature)
TUG 1528-44	Micrhystridium \| Micrhystridium sp.	Maardu M-72 borehole	- 113.9	Upper Cambrian (old nomenclature) \| Tsitre kihistu