Tetracladium may refer to:
* ''
Tetracladium (fungus)'', a genus of funguses in the family Helotiaceae
* ''
Tetracladium (trematode)'', a genus of trematodes in the family
Heterophyidae
Heterophyidae is a family of intestinal trematodes in the order Plagiorchiida.
Description: " Tegument covered by spines. Oral sucker not armed or armed by cyrcumoral spines. Pharynx presented. Genital synus presented. Ventral and genital suc ...
* ''
Tetracladium (moss)'', a genus of moss in the family
Thuidiaceae
Thuidiaceae is a family of mosses within the order Hypnales. It includes many genera but the classification may need to be refined. The core genera are ''Thuidium'', ''Thuidiopsis'', ''Pelekium'', '' Aequatoriella'', '' Abietinella'', '' Rauiella' ...
{{Genus disambiguation