Principia (alga)

Principia
Scientific classification Edit this classification
Clade: Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Stem group: Corallinales
Family: †Archaeolithophyllaceae
Genus: †Principia

Principia is a genus of alga that has been placed in the coralline stem group on the basis of its slightly differentiated thallus; it forms an "intermediate" between Hortonella, Neoprincipia and Archaeolithophyllum.[1]

  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.