Cresera optima was created in 1877.
Cresera annulata was created in 1894.
Cresera affinis was created in 1909.
Cresera similis was created in 1909.
Cresera ockendeni was created in 1909.
Cresera hieroglyphica was created in 1905.
Cresera ilioides was created in 1905.
Cresera ilus was created in 1776.
Ogasawarana optima was created in 1905.
Kia Optima was created in 2000.
Optima Telekom was created in 2004-11.
Optima National Wildlife Refuge was created in 1975.
The CVA Optima and the Optima pro are the same guns except for the barrel length (26" & 29"). Barrels are interchangable.The optima elite is a newer different gun and I Don't have experience with it.