tentaculifera

from The Century Dictionary.

• One of three divisions of infusorians, containing the acinetiform animalcules, as distinguished from the flagellate and the ciliate; a class or order of Infusoria, characterized by the tentaculiform and usually suctorial nature of their processes, and divided into Suctoria and Actinaria.
• An order of cephalopods, also called Tetrabranchiata: opposed to Acetabulifera. See cut under Tetrabranchiata.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) Same as suctoria, 1.