Takayama helix Salas, Bolch, Botes & Hallegraeff 2003

Publication Details
Takayama helix Salas, Bolch, Botes & Hallegraeff 2003: 1238, figs 7-10, 13, C, D

Published in: Salas, M.F. de , Bolch, C.J.S., Botes, L., Nash, G., Wright, S.W. & Hallegraeff, G.M. (2003). Takayama gen. nov. (Gymnodiniales, Dinophyceae), a new genus of unarmoured dinoflagellates with sigmoid apical grooves, including the description of two new species. Journal of Phycology 39: 1233-1246.

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Type Species
The type species (holotype) of the genus Takayama is Takayama tasmanica M.F.Salas, Bolch & Hallegraeff.

Status of Name
This name is of an entity that is currently accepted taxonomically.

Type Information
Holotype locality: North West Bay, Tasmania, Australia; (Salas & al. 2003: 1238) Holotype: Fig. 13, C and D of culture THNWB01: (Salas & al. 2003: 1238) Notes: Culture deposited in the University of Tasmania Harmful Algae Culture Collection.

General Environment
This is a marine species.

Description
Cells rhomboidal to almost circular in outline, 17-45 microns long, 11-31 microns wide, 9-25 microns thick. Epicone broadly conical to hemispherical. Hypocone truncated and incised. Cingulum deeply excavated and wide, displaced about 25% of total cell length. Sulcus wide, but narrower in the intercingular region than in the hypocone, extending shortly into the epicone. Apical groove shallowly sigmoidal, extending from below and to the right of the sulcal extension, left of the cell apex, to approximately 1/3 to 1/2 of the way down the dorsal epitome. Tube-like structure present in the intercingular region of the sulcus. Chloroplasts numerous, peripheral, elongated, and shallow, arranged in spiraling bands and containing individual pyenoids. Nucleus large and solid, normally ellipsoidal, but with variable shape and position.

Created: 15 June 2005 by Sandy Lawson.

Last updated: 20 May 2019

Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=70499

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 20 May 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 29 April 2024

 
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