Institute for Biodiversity Science and Sustainability
Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011
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Colletonema A. de Brebisson ex F.T. Kützing Jul/23-24/1849, pg. 105
Generitype LT: Colletonema viridulum A. de Brébisson ex F.T. Kützing (1849)
Designated by Ross in Farr et al. 1979 (006663), p. 402
Year Designated 1979
Nomenclatural status valid
Recent revisions
Comments Three species are definitely included, C. viridulum Bréb. in litt., C. lacustre Kützing, and C. eximium (added in errata section, p. 891). Kützing here describes and validates Brébisson's unpublished genus. Although three species are included at the time of publication, evidence is given that C. viridulum is the only original species of Brébisson (it is the only one ascribed to Brébisson). Ross in Farr et al. 1979 (p. 402) interpreted this species as being the holotype rather than the logical lectotype. However, since valid publication is of Kützing 1849, the lectotype must be chosen among the species included by Kützing, not by Brébisson, in a previous unpublished manuscript; therefore we interpreted C. viridulum as being the lectotype designated by Ross.
Published in

Kützing, F.T. 1849  (ref. 596)

Species Algarum.

Lipsiae. F.A. Brockhaus 922 pp.


Ctenophora A. de Brebisson ex F.T. Kützing 1849, p. 46
Generitype T: Synedra pulchella Kützing
Designated by
Year Designated 0
Nomenclatural status invalid
Recent revisions
Comments Cited in Kützing 1849 as "Ctenophora pulchella De Brébisson in litt.", and given as a synonym of Synedra pulchella Kützing. Genus name not validly published because "merely cited as a synonym" (see ICBN 1994 Art. 43.1/c). It appears that the name was communicated to Kützing as a specimen labelled "Ctenophora pulchella" by Brébisson and was included by Kützing in the group "Tabularia" of Synedra. This name is validly published for a subgroup of Synedra by Grunow 1862, p. 385 (ref. 000428). See genus Ctenophora (Grun.) Williams & Round 1886 (nov. status).
Published in

Kützing, F.T. 1849  (ref. 596)

Species Algarum.

Lipsiae. F.A. Brockhaus 922 pp.


Phlyctaenia F.T. Kutzing 23/24 Jul 1849, pg. 96
Generitype Not designated
Designated by
Year Designated 0
Nomenclatural status valid
Recent revisions
Comments Introduced as Phlyctaenia Kutzing (1846) in litt. Two species described: P. minuta and P. maritima, no generitype designated.
Published in

Kützing, F.T. 1849  (ref. 596)

Species Algarum.

Lipsiae. F.A. Brockhaus 922 pp.

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