Nemalion Explained

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.^[2] It is the source of the subclass name "Nemaliophycidae".

Species

As of 2017, the species accepted taxonomically are:^[3]

• 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.^{[4] [5]}

Habitat

Marine, mainly littoral.^[4]

Notes

1. Pérez Recalde . M. . Noseda . M. D. . Pujol . C. A. . Carlucci . M. J. . Matulewicz . M. C. . Sulfated mannans from the red seaweed Nemalion helminthoides of the South Atlantic . 10.1016/j.phytochem.2009.05.001 . Phytochemistry . 70 . 8 . 1062–8 . 2009 . 19493552 . 2009PChem..70.1062P . 11336/67863 . free .
2. Recorded common names are threadweed, umisomen, tsukomo nori, crop of threads, sea noodles, tsukomo-nori, umisÔmen and umi-somen.
3. Web site: Guiry, M.D.. Guiry, G.M.. amp. 20 January 2017. Nemalion. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. 21 June 2017.
4. Fritsch, F.E. 1965. The Structure and Reproduction of the Algae. Volume 11. p.468-469
5. 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.