Citations total:
link From To Geolocation Author - title Year
original Middle Cambrian Tremadocian Spain Fombella,M.A. Acritarchs of the Oville Formation, Middle Cambrian-Tremadocian age, Province of Leon, Spain. 1978
details Nd Nd Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. 1990
details Ordovician Nd Servais,T. An annotated bibliographical review of Ordovician acritarchs 1997
details Middle Cambrian Tremadocian Spain Steemans,P. Miospore evolution from the Ordovician to the Silurian. 2000