159,068 species and infraspecific names are in the database, 22,530 images, 61,701 bibliographic items, 462,690 distributional records.

Hemidiscus cuneiformis Wallich 1860

Publication details
Hemidiscus cuneiformis Wallich 1860: 42, pl. 2: figs 3, 4

Published in: Wallich, G.C. (1860). On the siliceous organisms found in the digestive cavities of the Salpae, and their relation to the flint nodules of the Chalk Formation. Transactions of the Microscopical Society of London, New Series 8: 36-55.

Type species
This is the type species (holotype) of the genus Hemidiscus.

Status of name
This name is currently regarded as a synonym of Actinocyclus cuneiformis (Wallich) F.Gómez, Lu Wang & Senjie Lin

Origin of species name
(Latin), wedge-shaped or narrow below and wide above.

Heterotypic Synonym(s)
Euodia gibba (Bailey) Ralfs 1861
Euodia inornata Castracane 1886

General environment
This is a marine species.

Type information
Type locality: Bay of Bengal and Indian Ocean (Index Nominum Algarum). Type: April 1857 ; from salps. (Index Nominum Algarum

Detailed distribution with sources (Click to Load)

Source of current name
Gómez, F., Wang, L., Hernández-Becerril, D.U., Lisunova, Y.O., Lopes, R.M. & Lin, S. (2017). Molecular phylogeny suggests transfer of Hemidiscus into Actinocyclus (Coscinodiscales, Coscinodiscophyceae). Diatom Research 32(1): 21-28.

Key references
Al-Yamani, F.Y. & Suburova, M.A. (2019). Marine phytoplankton of Kuwait's waters Volume II. Diatoms. pp. [1]-336, 161 pls. Kuwait: Kuwait Institute for Scientific Research.

Guo Yujie [Kuo, Y.C., Guo, Y.C.] (2003). Flora algarum marinarum sinicarum. Tomus V. Bacillariophyta No. I. Centricae. pp. [1]-493. Beijing: Science Press.

Hasle, G.R. & Syvertsen, E.E. (1996). Marine diatoms. In: Identifying Marine Phytoplankton. (Tomas, C.R. Eds), pp. 5-385. San Diego: Academic Press.

Hendey, N.I. (1964). An introductory account of the smaller algae of British coastal waters. Part V: Bacillariophyceae (diatoms). pp. [i]-xxii, 1-317. London: Ministry of Agriculture, Fisheries and Food, Fishery Investigations. Her Majesty’s Stationery Office.

Hendey, N.I. (1974). A revised check-list of the British marine diatoms. Journal of the Marine Biological Association of the United Kingdom 54: 277-300, no figs.

Scott, F.J. & Thomas, D.P. (2005). Diatoms. In: Antarctic marine protists. (Scott, F.J. & Marchant, H.J. Eds), pp. 13-201. Canberra & Hobart: Australian Biological Resources Study; Australian Antarctic Division.

Sims, P.A. (ed.) (1996). An atlas of British diatoms arranged by B. Hartley based on illustrations by H.G. Barber and J.R. Carter. pp. [2], 1-601, incl. 290 pls. Bristol: Biopress Ltd.

Created: 23 April 2002 by M.D. Guiry

Verified by: 10 July 2019 by M.D. Guiry

Accesses: This record has been accessed by users 1566 times since it was created.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 29 September 2020.

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