Orcanopterus
Orcanopterus is an extinct eurypterids genus. Its only species, O. manitoulinensis, is from the Ordovician of Manitoulin District in Canada.[1]
Orcanopterus Media
Size comparison of O. manitoulinensis and a human hand
References
- ↑ Phylogeny and palaeoecology of the Adelophthalmoidea (Arthropoda; Chelicerata; Eurypterida). Journal of Systematic Palaeontology.