Clavifera rugata

Citations total:
link From To Geolocation Author - title Year
details Berriasian Albian USSR(Kazakh SSR) Fokina,N.I. et al. Palynostratigraphy of the Lower Cretaceous of Central Asia. (In: Life on Ancient Continents: Its Establishment and Expansion.) 1981
details Aptian USSR(Kazakh SSR) Kruchinina,N.V. et al. Palynostratigraphyof Cretaceous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) 1990