Nemalion

Nemalion is a genus of red algae that contains approximately ten species, including N. helminthoides.[1] Its members are known by a number of common names.[note 1] It is the source of the subclass name "Nemaliophycidae".

Nemalion
Nemalion lubricum
Scientific classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Nemaliales
Family: Nemaliaceae
Genus: Nemalion
Duby

Species

As of 2017, the species accepted taxonomically are:[2]

  • Nemalion amoenum
  • Nemalion attenuatum
  • Nemalion cari-cariense
  • Nemalion helminthoides
  • Nemalion longicolle
  • Nemalion lubricum (type species)
  • Nemalion multifidum
    • Nemalion multifidum subsp. monoicum
  • Nemalion perpusillum
  • Nemalion vermiculare

Description

Simple multiaxial frond, with a soft and gelatinous core.[3][4]

Habitat

Marine, mainly littoral.[3]

Notes
  1. Recorded common names are threadweed, umisomen, tsukomo nori, crop of threads, sea noodles, tsukomo-nori, umisÔmen and umi-somen.

References
  1. Pérez Recalde, M.; Noseda, M. D.; Pujol, C. A.; Carlucci, M. J.; Matulewicz, M. C. (2009). "Sulfated mannans from the red seaweed Nemalion helminthoides of the South Atlantic". Phytochemistry. 70 (8): 1062–8. doi:10.1016/j.phytochem.2009.05.001. PMID 19493552.
  2. Guiry, M.D. & Guiry, G.M. (20 January 2017). "Nemalion". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 21 June 2017.
  3. Fritsch, F.E. 1965. The Structure and Reproduction of the Algae. Volume 11. p.468-469
  4. Smith, G.M. 1955. Cryptogamic Botany Volume 1. Algae and Fungi

Further reading
  • Fritsch, F.E. 1965. The Structure and Reproduction of the Algae. pp. 468 - 469 Cambridge University Press
  • Nicolson, D.H. & Norris, J.N. (1983). Ordinal orthography: Nemalionales vs. Nemaliales (Rhodophyta). Taxon 32: 288–292.


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