Petrophyton (alga)

Petrophyton is a genus of alga that falls in the coralline stem group.[2]

Petrophyton Temporal range: Mid Ordovician PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
(unranked):	Archaeplastida
Division:	Rhodophyta
Class:	Florideophyceae
Stem group:	Corallinales
Genus:	Petrophyton Yabe
Species
Petrophyton kiaeri Hoeg Petrophyton miyakoense Yabe
Synonyms
Solenopora richmondense ?(see [1])

See also

• Coralline algae#Evolution
• Other stem-group corallines:
  • Arenigiphyllum (Ordovician)
  • Petrophyton (Ordovician : Caradoc)
  • Graticula (Silurian : Wenlock)
  • Halysis (Ordovician)
  • Archaeolithophyllum (Pennsylvanian)
  • ?Maimonachaetetes (Mississippian)
  • ?Palaeoaplysina (Pennsylvanian – Permian; possibly an animal)
  • ? Solenoporaceae (Ordovician)

References

1. Brooke, C.; Riding, R. (1998). "Ordovician and Silurian coralline red algae". Lethaia. 31 (3): 185. doi:10.1111/j.1502-3931.1998.tb00506.x.
2. Xiao, S.; Knoll, A. H.; Yuan, X.; Pueschel, C. M. (2004). "Phosphatized multicellular algae in the Neoproterozoic Doushantuo Formation, China, and the early evolution of florideophyte red algae". American Journal of Botany. 91 (2): 214–227. doi:10.3732/ajb.91.2.214. PMID 21653378.