Pterospermopsis marginatus

Citations total:
4
link From To Geolocation Author - title Year
details Llandoverian Ludlovian USSR(Russian Platform) Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. 1974
details Llandoverian Ludlovian USSR(Pre-Baltic) Umnova,N.I. Silurian and Ordovician acritarch assemblages from the northern and western parts of the Russian Platform. 1974
details Tremadocian Wenlockian USSR(Russian Platform) Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic 1975
original Tremadocian USSR(Yaroslav) Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic 1975