Actinothamnion W.R.Taylor, 1929

Holotype species: Actinothamnion antillarum W.R.Taylor

Currently accepted name for the type species: Dohrniella antillarum (W.R.Taylor) Feldmann-Mazoyer

Original publication and holotype designation: Taylor, W.R. & Arndt, C.H. (1929). The marine algae of the southwestern Peninsula of Hispaniola. American Journal of Botany 16: 651-662.

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Description: Small creeping plant with erect axes 1-2 cm high, spirally arranged determinate branchlets singly from each node in upper thallus. Axial cells of upper branches bearing 1-3 papilliform cells as in Dohrniella but generic identity remains uncertain until reproductive system is known.

Information kindly contributed by E.M. Wollaston but may now be outdated.

Taxonomic status: This name is currently regarded as a synonym of Dohrniella.

Most recent taxonomic treatment adopted: Athanasiadis, A. (1996). Morphology and classification of the Ceramioideae (Rhodophyta) based on phylogenetic principles. Opera Botanica 128: [1]-216, 108 figs.

Comments: Known only from the West Indies area. Rare.

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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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.

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M.D. Guiry in Guiry, M.D. & Guiry, G.M. 25 January 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 23 July 2024

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