Principia (alga)
| Principia | |
|---|---|
| Scientific classification   | |
| Domain: | Eukaryota | 
| Clade: | Archaeplastida | 
| Division: | Rhodophyta | 
| Class: | Florideophyceae | 
| Stem group: | Corallinales | 
| Family: | †Archaeolithophyllaceae | 
| Genus: | † | 
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]
References
- ^ 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.