myxidiidæ

from The Century Dictionary.

• A family of Myxosporidia, forming two or more spores at the same time, the spores being variously shaped and inclosing two polar capsules. It includes several genera, among which are Myxidium, Leptotheca, and Sphærospora. They are found mainly in the gall-bladder and kidney-tubes of fishes and amphibia. Also called Myxididæ.