Amphidoma caudata Halldal 1953

Current name:
Azadinium caudatum (Halldal) Nézan & Chomérat
This species is top-shaped, recognisable by the high girdle and the 'tail' presented by the sulcal list which protrudes beneath the posterior of the cell.Robin Raine (Robin.Raine@nuigalway.ie)
Publication Details
Amphidoma caudata Halldal 1953: 51, fig. 17
Published in: Halldal, P. (1953). Phytoplankton investigations from Weather Ship M in the Norwegian Sea, 1948-49: (including observations during the Armauer Hansen cruise, July 1949). Hvalrådets skrifter (Norske Videnskaps-Akademi i Oslo) 38: 1-91.
Type Species
The type species (holotype) of the genus Amphidoma is Amphidoma nucula Stein.
Status of Name
This name is currently regarded as a synonym of Azadinium caudatum (Halldal) Nézan & Chomérat.
Source of Synonymy
Nézan, E., Tillmann, U., Bilien, G., Boulben, S., Chèze, K., Zentz, F., Salas, R. & Chomérat, N. (2012). Taxonomic revision of the dinoflagellate Amphidoma caudata: transfer to the genus Azadinium (Dinophyceae) and proposal of two varieties, based on morphological and molecular phylogenetic analyses. Journal of Phycology 48(4): 925-939.
Type Information
Type locality: Norway: Norwegian Sea; (INA 1996) Lectotype: Halldal 1953: fig. 17: Fig. 3, c (SEM-stub CEDiT2011E18 deposited at the Senckenberg Research Institute and Natural History Museum, Centre of Excellence for Dinophyte Taxonomy, Germany (epitype) (Nézan et al. 2012: 936)
Origin of Species Name
Adjective A (Latin), caudate, i.e., ending with a tail-like appendage (Stearn 1983).
General Environment
This is a marine species.
Created: 07 May 2002 by M.D. Guiry.
Last updated: 29 August 2018
Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=52109
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 29 August 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 20 May 2025