Genera: 1
Family; 1 genus; 1 species; Polypodium hydriform.
Clades:
Polypodiidae; Polypodiidea;
Polypodiozoa;
Cnidaria; Rdaiata;
Animals.
ZooologyPolypodium hydriform is a parasite attacking the eggs of sturgeon and similar fishes,
Acipenseridae and Polyodontidae. It is one of the few metazoans (animals) that live inside the cells of other animals.