Myxozoa is a class of aquatic cnidarian animals – all obligate parasites. It contains the smallest animals ever known to have lived. Over 2,180 species have been described and some estimate they are a
The smallest organisms found on Earth can be determined according to various aspects of organism size, including volume, mass, height, length, or genome size.
Myxozoa
…μύξα myxa "slime" or "mucus" + thematic vowel o + ζῷον zoon "animal") is a class of aquatic cnidarian animals – all obligate parasites. It contains the smallest animals ever known to have lived. Over 2,180 species have been described and some estimate they are at least as diverse as the free-living cnidarians, with at…
Electron micrograph of the bacterium Pelagibacter ubique