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Lithophyllum

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Lithophyllum
Temporal range: Silurian – Recent 418.7–0.0 Ma
Perithallus
Hypothallus
Underlying rock
Undersurface of Lithophyllum orbiculatum, showing hypothallus and perithallus
Scientific classification Edit this classification
Clade: Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Corallinales
Family: Corallinaceae
Subfamily: Lithophylloideae
Genus: Lithophyllum
Philippi, 1837
Species

107 species, see text

Synonyms
  • Hyperantherella Heydrich, 1900
  • Lithothamnium R.A.Philippi, 1837
  • Melobesia Heydrich, 1897
  • Perispermon Heydrich, 1900 (synonym)
  • Pseudolithophyllum Marie Lemoine, 1913
  • Stichospora Heydrich, 1900
  • Tenarea Bory de Saint-Vincent, 1832

[1]

Lithophyllum is a genus of thalloid red algae belonging to the family Corallinaceae.

Lithophyllum stictaeforme.
L. orbiculatum on a rock fragment; rock length ~3 cm.
Lithophyllum okamurae
Lithophyllum sp.

Fossil record

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This genus is known in the fossil record from the Silurian to the Quaternary (from about 418.7 to 0.0 million years ago). Fossils of species within this genus have been found in Europe, United States, South America, Egypt, Iran, Iraq, India, Japan and Australia.[2]

Description

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The monomerous, crustose thalli are composed of a single system of filaments which grow close to the underlying surface. Lithophyllum reproduces by means of conceptacles. The epithallus is periodically shed to avoid organisms growing on top of the alga.[3][4]

Species

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The valid species currently considered to belong to this genus are:[1]

Bibliography

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  • Philippi, R.A. (1837). Beweis, dass die Nulliporen Pflanzen sind. Archiv für Naturgeschichte 3: 387-393, figs 2-6, pl. IX.
  • Foslie, M. (1900). Revised systematical survey of the Melobesieae. Kongelige Norske Videnskabers Selskabs Skrifter 1900(5): 1-22.
  • Woelkerling, W.J. (1998). Lamarck's nullipores. In: Non-geniculate Coralline Red Algae and the Paris Muséum: Systematics and Scientific History. (Woelkerling, W.J. & Lamy, D. Eds), pp. 101–404. Paris: Publications Scientifiques du Muséum/A.D.A.C.

References

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  1. ^ a b WoRMS - World Register of Marine Species
  2. ^ Paleobiology Database
  3. ^ Johnson, C.; Mann, K. (1986). "The crustose coralline alga, Phymatolithon Foslie, inhibits the overgrowth of seaweeds without relying on herbivores". Journal of Experimental Marine Biology and Ecology. 96 (2): 127. doi:10.1016/0022-0981(86)90238-8.
  4. ^ Description of Lithophyllum at AlgaeBase
  • Guiry, M.D.; Guiry, G.M. (2008). "Lithophyllum". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2009-04-18.
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