Arenigiphyllum

Arenigiphyllum is a genus of alga from the Ordovician that falls in the coralline stem group.[1] Only its vegetative anatomy is known.[2]

Arenigiphyllum Temporal range: 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:	Arenigiphyllum Riding et al. 1998
Species
A. crustosum Riding et al. 1998 (type)

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. 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.
2. Riding, R; Cope, JCW; Taylor, PD (1998). "A coralline-like red alga from the Lower Ordovician of Wales" (PDF). Palaeontology. London: Palaeontological Association. 41 (5): 1069–1076.