Hy·pot'ri·cha noun plural [ New Latin , from Greek 'ypo` beneath + ..., ..., a hair.] (Zoology) A division of ciliated Infusoria in which the cilia cover only the under side of the body. Found on http://www.encyclo.co.uk/webster/H/84
Hypotricha is an order of ciliata vera. They are flattened ciliates with large stiff ciliates on the lower surface which act similarly to legs. Found on http://www.probertencyclopaedia.com/browse/BH.HTM