| Petrophyton Temporal range: Mid Ordovician Preκ κ O S D C P T J K Pg N | |
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Scientific classification 
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| Clade: | Archaeplastida |
| Division: | Rhodophyta |
| Class: | Florideophyceae |
| Stem group: | Corallinales |
| Genus: | Petrophyton Yabe |
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| Synonyms | |
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Petrophyton is a genus of alga that falls in the coralline stem group.
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
- Brooke, C.; Riding, R. (1998). "Ordovician and Silurian coralline red algae". Lethaia. 31 (3): 185. doi:10.1111/j.1502-3931.1998.tb00506.x.
- 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): 214β227. doi:10.3732/ajb.91.2.214. PMID 21653378.
| Taxon identifiers | |
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| Petrophyton | |
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