Coryphidium information

Coryphidium; Temporal range: Early Ordovician PreꞒ Ꞓ O S D C P T J K Pg N (Arenig)
Scientific classification
Domain:	Eukaryota
Kingdom:	incertae sedis
(unranked):	†Acritarcha
Genus:	†Coryphidium; M.Vavrdová, 1972
Species
	†Coryphidium bohemicum Vavrdová, 1972; †Coryphidium elegans F.H.Cramer, Allam, Kanes, & Diez, 1974; †Coryphidium sichuanense F.Wang & Q.Chen C;

Coryphidium is an extinct genus of acritarchs.

C. elegans is from the Tremadocian, the lower age of the Ordovocian of Morocco.

^ Acritarchs from Klabava Shales (Arenig). M Vavrdová, Vestnik Ustredniho ustavu geologickeho, 1972
^ Upper Arenigian to Lower Llanvirnian Acritarchs from the Subsurface of the Tadla Basin in Morocco. Fritz H. Cramer, Bensayah Allam, William H. Kanes and Maria del Carmen R. Díez, Palaeontographica Abteilung B Band 145 Lieferung 5-6 (1974), pages 182-190