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]

Hortonella
Temporal range: Early Carboniferous
Scientific classification Edit this classification
Clade: Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Stem group: Corallinales
Family: Archaeolithophyllaceae
Genus: Hortonella

References

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  1. ^ Cózar, P. (2003). "Neoprincipia nov. gen., a new Mississippian red alga, and remarks on the Archaeolithophyllaceae (Rhodophyta)". Geobios. 36 (5): 505–517. doi:10.1016/S0016-6995(03)00060-3.