Arenigiphyllum

Arenigiphyllum Temporal range: Ordovician PreЄ Є O S D C P T J K Pg N
Scientific classification
Phylum:	Rhodophyta
Class:	Florideophyceae
stem group:	Corallinales
Genus:	Arenigiphyllum Riding et al. 1998
Species
A. crustosum Riding et al. 1998 (type)

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

References

^ 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. edit
^ Riding, R; Cope, JCW; Taylor, PD (1998). "A coralline-like red alga from the Lower Ordovician of Wales". Palaeontology (London: Palaeontological Association.) 41 (5): 1069–1076. http://palaeontology.palass-pubs.org/pdf/Vol%2041/Pages%201069-1076.pdf.