160,132 species and infraspecific names are in the database, 22,604 images, 62,233 bibliographic items, 471,453 distributional records.

Codium dichotomum S.F.Gray, nom. illeg. 1821

Publication details
Codium dichotomum S.F.Gray 1821: 293, nom. illeg.

Published in: Gray, S.F. (1821). A natural arrangement of British plants, according to their relations to each other, as pointed out by Jussieu, De Candolle, Brown, &c. including those cultivated for use; with an introduction to botany, in which the terms newly introduced are explained; illustrated by figures. pp. vol. 1: [i]-xxviii, [1]- 824, pls I-XXI plates. London: Printed for Baldwin, Cradock & Joy, Paternoster-Row.
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Publication date: 1 Nov. 1821

Type species
The type species (holotype) of the genus Codium is Codium tomentosum Stackhouse.

Status of name
This name is currently regarded as a synonym of Codium tomentosum Stackhouse

Origin of species name
Adjective (Latin), dichotomous, having divisions always in pairs (Stearn 1973).

Synonym(s)
No synonyms are currently included in AlgaeBase.

Nomenclatural notes
Illegitimate: superfluous name for Codium tomentosum Stackhouse, included by Gray in synonymy. - (14 Dec 2020) - M.D. Guiry

Taxonomic notes
This name has been misapplied to dichotomous species of Codium throughout the world. Cormaci, Furnari & Alongi (2014: 241) comment: "The record of this species from Israel (Rayss, 1955), according to Silva (1960: 510) is a misidentification for C. taylorii. All other Mediterranean records, included those re-ported in Gallardo et al. (1993, who erroneously list C. dichotomum among taxa inquirenda as C. dichotomum Stackhouse) should be referred to as C. tomentosum." The name has also been used widely in the Indian Ocean for various species (see Silva, Basson & Moe 1996). Pedroche & al. (2005: 72) write [translated from the Spanish] "The name Codium dichotomum has been applied to a large number of different species. The identity of the specimens on which the record is based for the Mexican Pacific is practically impossible since Dawson does not indicated collection numbers in this publication. We believe that these records may belong to C. simulans." - (15 Jul 2015) - M.D. Guiry

General environment
This is a marine species.

Common names

(as Codium dichotomum S.F.Gray)
Japanese: Imose-miru, Yezo-miru (Tokida 1954).

Detailed distribution with sources (Click to Load)

Source of current name
Silva, P.C. (1955). The dichotomous species of Codium in Britain. Journal of the Marine Biological Association of the United Kingdom 34: 565-577, 5 figs, 1 plate.

Key references
Funk, G. (1955). Beiträge zur Kenntnis der Meeresalgen von Neapel: Zugleich mikrophotographischer Atlas. Pubblicazioni della Stazione Zoologica di Napoli 25(Suppl.): i-x , 1-178, 36 figs.

Pedroche, F.F., Silva, P.C., Aguilar-Rosas, L.E., Dreckmann, K.M. & Aguilar-Rosas, R. (2005). Catálogo de las algas marinas bentónicas del Pacífico de México. I. Chlorophycota. pp. i-viii, 17-146. Ensenada, México: Universidad Autónoma de Baja California.

Created: 30 November 1998 by M.D. Guiry

Verified by: 14 December 2020 by M.D. Guiry

Accesses: This record has been accessed by users 1400 times since it was created.

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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=13903

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 03 March 2021.

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