Veryhachium asymmetricum

Citations total:
20
link From To Geolocation Author - title Year
original Early Devonian Canada(Ontario) Deunff,J. On a microplankton from the Devonian of Canada containing some new types of Hystrichosphaerids. 1954
details Valentian Algeria Deunff,J. et al. Palynoplanktonic correlation in the Cambro-Ordovician of the Sahara 1961
original Devonian Canada Deunff,J. Some details concerning the Hystrichosphaeridae from the Devonian of Canada. 1961
details Paleozoic Nd Downie,C. et al. On the interpretation and status of some Hystrichosphere genera. 1963
details Nd Nd Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. 1965
details Middle Devonian Tunisia Deunff,J. Research on the Devonian microplankton (Acritarchs and Dinophyceae). 1965
details Middle Devonian Canada Deunff,J. Research on the Devonian microplankton (Acritarchs and Dinophyceae). 1965
details Ludlovian Early Gedinnian Spain Cramer,F.H. Hoegispheres and other microfossils incertae sedis of the San Pedro Formation (Siluro-Devonian boundary) near Valporquero, Eon, northwest Spain. 1966
details Early Devonian Canada(Ontario) Cramer,F.H. Hoegispheres and other microfossils incertae sedis of the San Pedro Formation (Siluro-Devonian boundary) near Valporquero, Eon, northwest Spain. 1966
details Devonian Canada Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). 1967
details Devonian USA Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). 1967
details Devonian France Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). 1967
details Devonian Tunisia Deunff,J. Research on Devonian microplankton (acritarchs and dinoflagellates). 1967
details Emsian Algeria JardinĀ©,S. et al. Lithostratigraphy and palynology of the Sandy Devonian-Gothlandian of the Polignac Basin (Sahara). 1968
details Early Siegenian Late Siegenian France(Ille-et-Vilaine) Deunff,J. The acritarchs in the Early Devonian shales and limestones of Saint-Cenere. (In: Massif Armoricain, France. H.Lardeux, editor) 1976
details Early Paleozoic Nd Cramer,F.H. et al. Lower Paleozoic acritarchs. 1979
details Emsian Givetian Brazil Brito,I.M. Stratigraphy of the Parnaiba Basin I. Lower sedimentary sequence 1979