Webster's Revised Unabridged Dictionary · 1913

Catallacta

Catallacta , noun, plural

[New Latin, from Greek {not transcribed}. See Catallactics.]

(Zoology) A division of Protozoa, of which Magosphara 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.