Coryphidium

Coryphidium is an extinct genus of acritarchs.

Coryphidium Temporal range: Early Ordovician PreꞒ Ꞓ O S D C P T J K Pg N (Arenig)
Scientific classification
Domain:	Eukaryota
Clade:	incertae sedis
(unranked):	†Acritarcha
Genus:	†Coryphidium M.Vavrdová, 1972[1]
Species
†Coryphidium bohemicum Vavrdová, 1972 †Coryphidium elegans F.H.Cramer, Allam, Kanes, & Diez, 1974[2] †Coryphidium sichuanense F.Wang & Q.Chen C

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