Archaeolithophyllum

Archaeolithophyllum; Temporal range: Pennsylvanian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
(unranked):	Archaeplastida
Division:	Rhodophyta
Class:	Florideophyceae
Stem group:	Corallinales
Family:	†Archaeolithophyllaceae
Genus:	†Archaeolithophyllum; Johnson, 1956
Species
	A. delicatium Johnson, 1956 ; A. missouriensum Johnson, 1956 (type);

Archaeolithophyllum is a genus of conceptacle-bearing red alga that falls in the coralline stem group. It somewhat resembles Lithophyllum.^[1]^[2]

As of today, Archaeolithophyllum is the only Palaeozoic coralline to bear clear conceptacles,^[3] although the earlier Graticula does bear reproductive structures.^[4]

It mineralized using aragonite.^[3] Its conceptacles are cone-shaped protrusions that extend outwards from the thallus surface and have a single central opening.^[5] It probably encrusted muddy or sandy surfaces.^[5]

References[]

^ Harlan Johnson, J. (1956). "Archaeolithophyllum, a new genus of Paleozoic Coralline algae". Journal of Paleontology. 30 (1): 53–55. JSTOR 1300377.
^ 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.
^ ^a ^b Cozar, P.; Vachard, D. (2006). "A new Mississippian red alga from south-western Spain". Geobios. 39 (6): 791. doi:10.1016/j.geobios.2005.09.002.
^ Brooke, C.; Riding, R. (1998). "Ordovician and Silurian coralline red algae". Lethaia. 31 (3): 185. doi:10.1111/j.1502-3931.1998.tb00506.x.
^ ^a ^b John L. Wray (1964). "Archaeolithophyllum, an Abundant Calcareous Alga in Limestones of the Lansing Group (Pennsylvanian), Southeastern Kansas". Kansas Geological Survey Bulletin. 170 (1).

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[cite_jstor|1300377-1] Harlan Johnson, J. (1956). "Archaeolithophyllum, a new genus of Paleozoic Coralline algae". Journal of Paleontology. 30 (1): 53–55. JSTOR 1300377.

[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.

[Cozar2006-3] Cozar, P.; Vachard, D. (2006). "A new Mississippian red alga from south-western Spain". Geobios. 39 (6): 791. doi:10.1016/j.geobios.2005.09.002.

[Brooke2007-4] Brooke, C.; Riding, R. (1998). "Ordovician and Silurian coralline red algae". Lethaia. 31 (3): 185. doi:10.1111/j.1502-3931.1998.tb00506.x.

[Wray1964-5] John L. Wray (1964). "Archaeolithophyllum, an Abundant Calcareous Alga in Limestones of the Lansing Group (Pennsylvanian), Southeastern Kansas". Kansas Geological Survey Bulletin. 170 (1).

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Archaeolithophyllum

See also[]

References[]