Veryhachium umbonatum
- Citations total:
- 3
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details | Tremadocian | Ludlovian | USSR(Russian Platform) | Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. | 1974 |
details | Tremadocian | Ludlovian | USSR(Pre-Baltic) | Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. | 1974 |
original | Tremadocian | USSR(Yaroslav) | Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic | 1975 |