161,834 species and infraspecific names are in the database, 22,723 images, 63,709 bibliographic items, 473,729 distributional records.

Treptacantha Kützing, 1843

Classification:
Empire Eukaryota
Kingdom Chromista
Phylum Ochrophyta
Class Phaeophyceae
Subclass Fucophycidae
Order Fucales
Family Sargassaceae

Lectotype species: Treptacantha abies-marina (S.G.Gmelin) Kützing

Currently accepted name for the type species: Gongolaria abies-marina (S.G.Gmelin) Kuntze

Original publication:Kützing, F.T. (1843). Phycologia generalis oder Anatomie, Physiologie und Systemkunde der Tange. Mit 80 farbig gedruckten Tafeln, gezeichnet und gravirt vom Verfasser. pp. [part 1]: [i]-xxxii, [1]-142, [part 2:] 143-458, 1, err.], pls 1-80. Leipzig: F.A. Brockhaus.
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Type designated in De Toni, G.B. (1891). Systematische Übersicht der bisher bekannten Gattungen der echten Fucoideen. Flora 74: 171-182.

Taxonomic status: currently regarded as a synonym of Gongolaria.

Gender: This genus name is currently treated as feminine.

Most recent taxonomic treatment adopted: Molinari-Novoa, E.A. & Guiry, M.D. (2020). Reinstatement of the genera Gongolaria Boehmer and Ericaria Stackhouse (Sargassaceae, Phaeophyceae). Notulae Algarum 171: 1-10, 2 figs.

Description: Thallus attached by prostrate axes with haptera or a small basal disc, non-caespitose. Axes cylindrical to slightly compressed, simple or branched. Primary branches erect, cylindrical, radially ramified, smooth at least in the basal region, occasionally with small and widely spaced spiny appendages upwards. Higher order branches with spines (except inT. baccata, T. barbataand T. susanensis). Tophules present or absent. In cross section, cortical cells with thickened walls and square meristoderm cells. Spiny receptacles, with few (1–3) conceptacles located at the base of each fertile spine (except in T. nodicaulis and T. usneoides, with grouped conceptacles). Emend. (Orelana et al., 2019: 454).

Information kindly contributed by emend. Orellana, Hernández & Sansón (2019: [8]) but may now be outdated.

Numbers of names and species: There are 17 species names in the database at present.

Names: ('C' indicates a name that is accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database):

Click here to also show infraspecific names in the list below.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Contributors
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.

Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.

Created: 17 October 2006 by M.D. Guiry

Verified by: 22 December 2020 by M.D. Guiry

Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=50753

Citing AlgaeBase
Please 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 22 June 2021.

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