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Temporal range: Ordovician
Scientific classification e
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Stem group: Corallinales
Genus: Arenigiphyllum
Riding et al. 1998
  • 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]

See also[edit]


  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.