Biology:Odonthalia dentata

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Short description: Red alga

Odonthalia dentata
"Odonthalia dentata" found in Newfoundland
Odonthalia dentata found in Newfoundland
Scientific classification edit
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Ceramiales
Family: Rhodomelaceae
Genus: Odonthalia
Species:
O. dentata
Binomial name
Odonthalia dentata
(Linnaeus) Lyngbye, 1819[1]
Forms[2]

Odonthalia dentata f. angustata Harvey, 1852

Synonyms[2]
  • Atomaria dentata (Linnaeus) Stackhouse, 1816
  • Fimbriaria dentata (Linnaeus) Stackhouse, 1809
  • Fucus dentatus Linnaeus, 1767[3]
  • Fucus pinnatifidus Oeder, 1767
  • Rhodomela dentata (Linnaeus) C.Agardh, 1824
  • Sphaerococcus dentatus (Linnaeus) C.Agardh, 1817
Illustration of Odonthalia dentata (formerly Fucus dentatus)

Odonthalia dentata is a medium-sized marine red alga.

Description

The thallus of this species is dark red in colour and tough in texture, it grows to 30 cm long and 1 cm wide. It is perennial and attached by a discoid holdfast, it grows in tufts, erect, firm and cartilaginous. All the axes and branches are compressed or flat with an inconspicuous central midrib. The lateral branches are short and are produced alternately from near the base, they are deeply toothed.[4]

Reproduction

The planta are perennial and the sexes are produced on separate plants, dioecious. Spermatangia are in small clusters at the apex of the frond. The female cystocarps are found in the axils of the axis. Tetrasporangia occur in pairs in branchlets.[5][4]

Habitat

Common on northern shores of Great Britain and Ireland in low littoral rock pools and in the sub-littoral to 20m. Also on the stipes of Laminaria.[4]

Distribution

The species is common on the northern coasts of Ireland, Great Britain, the Isle of Man and The Shetland Isles.[6] It is also recorded from Spitzbergen, Arctic Canada to Nova Scotia.[4]

References

  1. ↑ Lyngbye, H.C. (1819). Tentamen hydrophytologiae danicae continens omnia hydrophyta cryptogama Daniae, Holsatiae, Faeroae, Islandiae, Groenlandiae hucusque cognita, systematice disposita, descripta et iconibus illustrata, adjectis simul speciebus norvegicis. pp. [i]-xxxii, [1]-248, 70 pls. Hafniae [Copenhagen]: typis Schultzianis, in commissis Librariae Gyldendaliae. http://img.algaebase.org/pdf/25E4D8D711cd6252F2pT5D060A8A/13523.pdf
  2. ↑ 2.0 2.1 Guiry, M.D. & Guiry, G.M. (2019). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Odonthalia dentata (Linnaeus) Lyngbye, 1819. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=144839 on 2019-01-10
  3. ↑ Linnaeus C. (1767). Systema naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Ed. 12. 1., Regnum Animale. 1 & 2. Holmiae, Laurentii Salvii. Holmiae [Stockholm], Laurentii Salvii. pp. 1-532 [1766] pp. 533-1327 [1767]., available online at https://www.biodiversitylibrary.org/item/83650#5
  4. ↑ 4.0 4.1 4.2 4.3 Maggs, C.A. and Hommersand, M.H. 1993. Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales The Natural History Museum, London.ISBN:0-11-310045-0
  5. ↑ Bunker,F.StP, Brodie, J.A., Maggs, C.A. and Bunker, A.R. 2017. Seasweeds of Britain and Ireland Second edition Wild Nature Press, Plymouth, UK ISBN:978-0-9955673-3-7
  6. ↑ Hardy, F.G. and Guiry, M.D. 2003. A Check-list and Atlas of the Seaweeds of Britain and Ireland. The British Phycological Society.ISBN:0-9527115-16

Wikidata ☰ Q43174563 entry



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