are Pleurothallis and Odontioda both types are orchids?
Pleurothallis Pleurothallis, abbreviated Pths in horticultural trade, is a genus of orchids commonly named bonnet orchids. The genus name is derived from the Greek word 'pleurothallos', meaning 'riblike branches'. This refers to the rib-like stems of many species.
Odontodactylus Odontodactylus is a genus of mantis shrimp, the only genus in the family Odontodactylidae. Mantis shrimp of the genus "Odontodactylus" can not only detect circular polarisation of light, but can polarise light reflecting off their telson and uropods.