Catallacta
Cat`al`lac´ta
| n. pl. | 1. | (Zool.) A division of Protozoa, of which Magosphæra is the type. They exist both in a myxopod state, with branched pseudopodia, and in the form of ciliated bodies united in free, spherical colonies. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.