149,454 species and infraspecific names are in the database, 20,332 images, 57,474 bibliographic items, 379,353 distributional records.

Pterothamnion Nägeli, 1855

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Ceramiales
Suborder Ceramiineae
Family Ceramiaceae
Subfamily Ceramioideae
Tribe Pterothamnieae

Holotype species: Pterothamnion plumula (J.Ellis) Nägeli

Original publication and holotype designation: Nägeli, C. & Cramer, C. (1855). Pflanzenphysiologische Untersuchungen. Heft 1. pp. [i-vi], [1]-120, pls I-X. Zürich: bei Fredrich Schultness.

Taxonomic status: currently recognized as a distinct genus.

Most recent taxonomic treatment adopted: Athanasiadis, A. (1996). Morphology and classification of the Ceramioideae (Rhodophyta) based on phylogenetic principles. Opera Botanica 127: 1-221.

NCBI Nucleotide Sequences

Numbers of names and species: There are 48 species (and infraspecific) names in the database at present, of which 28 have been flagged as currently accepted taxonomically.

Names: ('C' indicates a name that is currently 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):

Pterothamnion abietinum (Reinsch) Athanasiadis S 
Pterothamnion aciculare (Wollaston) Athanasiadis & Kraft C 
Pterothamnion americanum (Harvey) Nägeli S 
Pterothamnion antarcticum (Kylin) R.L.Moe & P.C.Silva C 
Pterothamnion capense (Stegenga) Athanasiadis & Kraft C 
Pterothamnion confusum (J.Agardh) Athanasiadis C 
Pterothamnion crispum (Ducluzeau) Nägeli C 
Pterothamnion crispum var. bebbii (Reinsch) Mazoyer S 
Pterothamnion cristatum (Kützing) Nägeli S 
Pterothamnion cuspidatum (Wollaston) Athanasiadis & Kraft C 
Pterothamnion flexile (Wollaston) Athanasiadis & Kraft C 
Pterothamnion floccosum (O.F.Müller) Nägeli S 
Pterothamnion francisianum (Wollaston) Athanasiadis & Kraft C 
Pterothamnion heteromorphum (J.Agardh) Athanasiadis & Kraft C 
Pterothamnion horridum (Tokida & Inaba) Athanasiadis & Kraft C 
Pterothamnion intermedium (Tokida) Athanasiadis & Kraft C 
Pterothamnion lapponicum (Ruprecht) Nägeli S 
Pterothamnion latiramosum Athanasiadis C 
Pterothamnion lindaueri (G.Feldmann) Athanasiadis & Kraft S 
Pterothamnion macropterum (Meneghini ex Kützing) Nägeli U 
Pterothamnion manifestum (Wollaston) Athanasiadis & Kraft C 
Pterothamnion minutissimum (Levring) R.W.Ricker C 
Pterothamnion myurum (Suhr) J.Agardh S 
Pterothamnion nodiferum (J.Agardh) Athanasiadis & Kraft C 
Pterothamnion orbignianum (Montagne) Nägeli C 
Pterothamnion pectinatum (Kylin) Athanasiadis & Kraft C 
Pterothamnion plumula var. bebbii (Reinsch) Cormaci & G.Furnari S 
Pterothamnion plumula var. refractum (Kützing) Cormachi & Furnari S 
Pterothamnion plumula (J.Ellis) Nägeli C - type
Pterothamnion plumula subsp. haplokladion Athanasiadis C 
Pterothamnion plumula subsp. verticillatum Athanasiadis C 
Pterothamnion polyacanthum (Kützing) Nägeli C 
Pterothamnion polysporum (Itono) Athanasiadis & Kraft C 
Pterothamnion ptilota (J.D.Hooker & Harvey) Nägeli S 
Pterothamnion pusillum (Ruprecht) Nägeli S 
Pterothamnion pylaisaei (Montagne) Nägeli S 
Pterothamnion ramulentum (Wollaston) Athanasiadis & Kraft C 
Pterothamnion recurvatum (Wollaston) Athanasiadis & Kraft C 
Pterothamnion refractum (Kützing) Nägeli S 
Pterothamnion reversum (Setchell & N.L.Gardner) Athanasiadis & Kraft S 
Pterothamnion simile (J.D.Hooker & Harvey) Nägeli C 
Pterothamnion spinescens (Strömfelt) Athanasiadis C 
Pterothamnion squarrulosum (Harvey) Athanasiadis & Kraft C 
Pterothamnion subnudum (Ruprecht) Nägeli S 
Pterothamnion tepocense (E.Y.Dawson) Athanasiadis & Kraft C 
Pterothamnion ternifolium (J.D.Hooker & Harvey) Nägeli S 
Pterothamnion villosum (Kylin) Athanasiadis & Kraft C 
Pterothamnion yezoense (Inagaki) Athanasiadis & Kraft C 

Choi, H.-G., Kraft, G.T., Kim, H.-S., Guiry, M.D. & Saunders, G.W. (2008). Phylogenetic relationships among lineages of the Ceramiaceae (Ceramiales, Rhodophyta) based on nuclear small subunit rDNA sequence data. Journal of Phycology 44: 1033-1048.

Schneider, C.W. & Wynne, M.J. (2007). A synoptic review of the classification of red algal genera a half a century after Kylin's "Die Gattungen der Rhodophyceen". Botanica Marina 50: 197-249.

Wynne, M.J. & Schneider, C.W. (2010). Addendum to the synoptic review of red algal genera. Botanica Marina 53: 291-299.

Verification of data
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Created: 30 December 2000 by M.D. Guiry

Verified by: 25 January 2017 by M.D. Guiry

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M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 21 October 2017.

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