Hortonella

Hortonella Temporal range: Early Carboniferous PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Clade:	Archaeplastida
Division:	Rhodophyta
Class:	Florideophyceae
Stem group:	Corallinales
Family:	†Archaeolithophyllaceae
Genus:	†Hortonella

Hortonella is a fossil genus of alga that has been placed deep in the coralline stem group on the basis of its scarcely differentiated thallus.^[1]