Pterospermopsis chiquitina

Citations total:
4
link From To Geolocation Author - title Year
original Middle Siegenian Emsian Spain Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. 1964
details Late Siegenian Emsian Spain Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. 1966
details Middle Siegenian Emsian Spain Eisenack,A. Critical remarks about Pterospermopsis 1972
details Middle Siegenian Emsian Nd Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. 1990