| Stylonemataceae | |
|---|---|
| Stylonema alsidii | |
| Scientific classification | |
| Domain: | Eukaryota |
| Supergroup: | Archaeplastida |
| Division: | Rhodophyta |
| Class: | Stylonematophyceae |
| Order: | Stylonematales K.M.Drew |
| Family: | Stylonemataceae K.M.Drew |
| Genera | |
|
See text | |


Stylonemataceae is a family of red algae in the class Stylonematophyceae. It is the only family in the monotypic order Stylonematales.
Source:
Zachariasia Lemmermann, 1895 (with holotype Zachariasia endophytica Lemmermann) is currently regarded as a synonym of Chroothece. This should not be confused with Zachariasia Voigt 1901 non Lemmermann 1895, which is a synonym for Histiona (Histionidae, Discoba, Excavata).