Genus Archaeohystrichosphaeridium

Species total:
126
Age range:
4100 - 141 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Archaeohystrichosphaeridium quadridentatum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium quadrinatum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium recticornum Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium resistens Sinian Sinian
Archaeohystrichosphaeridium scandeum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium scariosum Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium scrotiforme Late Cambrian Late Cambrian
Archaeohystrichosphaeridium semiclausum Paleozoic Llandeilian
Archaeohystrichosphaeridium semireticulatum Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium septangulum Late Cambrian Late Cambrian
Archaeohystrichosphaeridium septigerum Early Cambrian Early Cambrian
Archaeohystrichosphaeridium setigerfurcatum Early Ordovician Early Llandeilian
Archaeohystrichosphaeridium simplex Middle Cambrian Tremadocian
Archaeohystrichosphaeridium singulare Late Cambrian Late Cambrian
Archaeohystrichosphaeridium solitare Middle Cambrian Middle Cambrian
Archaeohystrichosphaeridium sp Precambriam Wenlockian
Archaeohystrichosphaeridium sp. Salu.,1971 Precambriam Precambriam