WoRMS taxon details
Crassiphycus crassissimus (P.Crouan & H.Crouan) Gurgel, J.N.Norris & Fredericq, 2018
1340376 (urn:lsid:marinespecies.org:taxname:1340376)
accepted
Species
Crassa crassissima (P.Crouan & H.Crouan) Gurgel, J.N.Norris & Fredericq, 2018 · unaccepted (synonym)
Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866 · unaccepted (synonym)
Gracilaria horizontalis Collins & Hervey, 1917 · unaccepted (synonym)
Plocaria crassissima P.Crouan & H.Crouan, 1865 · unaccepted
marine
Not documented
Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Crassiphycus crassissimus (P.Crouan & H.Crouan) Gurgel, J.N.Norris & Fredericq, 2018. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1340376 on 2025-11-14
Date
action
by
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Nomenclature
original description
(of Gracilaria horizontalis Collins & Hervey, 1917) Collins, F. S.; Hervey, A. B. (1917). The algae of Bermuda. Proceedings of the American Academy of Arts & Sciences, 53(1): 1-195 [details] 
basis of record Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. <em>World-wide electronic publication, National University of Ireland, Galway.</em> searched on YYYY-MM-DD., available online at http://www.algaebase.org [details]
new combination reference Guiry, M. D.; Norris, J. N.; Fredericq, S.; Gurgel, C. F. D. (2018). Crassiphycus Guiry. Gurgel, JN Norris & Fredericq, gen. nov., a replacement name for Crassa Gurgel, JN Norris & Fredericq, nom. inval.(Gracilariaceae, Rhodophyta), with some additional nomenclatural notes. <em>Notulae Algarum.</em> 82, 1-4. [details]
basis of record Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. <em>World-wide electronic publication, National University of Ireland, Galway.</em> searched on YYYY-MM-DD., available online at http://www.algaebase.org [details]
new combination reference Guiry, M. D.; Norris, J. N.; Fredericq, S.; Gurgel, C. F. D. (2018). Crassiphycus Guiry. Gurgel, JN Norris & Fredericq, gen. nov., a replacement name for Crassa Gurgel, JN Norris & Fredericq, nom. inval.(Gracilariaceae, Rhodophyta), with some additional nomenclatural notes. <em>Notulae Algarum.</em> 82, 1-4. [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Published in AlgaeBase 
(from synonym Hydropuntia crassissima (P.Crouan & H.Crouan) M.J.Wynne, 1989)
Published in AlgaeBase (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
Published in AlgaeBase (from synonym Plocaria crassissima P.Crouan & H.Crouan, 1865)
Published in AlgaeBase (from synonym Polycavernosa crassissima (P.Crouan & H.Crouan) Fredericq & J.N.Norris, 1985)
Published in AlgaeBase (from synonym Gracilaria horizontalis Collins & Hervey, 1917)
Published in AlgaeBase
Published in AlgaeBase (from synonym Crassa crassissima (P.Crouan & H.Crouan) Gurgel, J.N.Norris & Fredericq, 2018)
To Barcode of Life (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
To Barcode of Life (3 barcodes) (from synonym Hydropuntia crassissima (P.Crouan & H.Crouan) M.J.Wynne, 1989)
To Biodiversity Heritage Library (12 publications) (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
To European Nucleotide Archive, ENA (Crassiphycus crassissimus)
To GenBank (15 nucleotides; 666 proteins) (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
To GenBank (15 nucleotides; 666 proteins)
To GenBank (15 nucleotides; 666 proteins) (from synonym Plocaria crassissima P.Crouan & H.Crouan, 1865)
To NHMUK collection (Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan; Syntype; NHMUK:ecatalogue:436754) (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
(from synonym Hydropuntia crassissima (P.Crouan & H.Crouan) M.J.Wynne, 1989)Published in AlgaeBase
(from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)Published in AlgaeBase
(from synonym Plocaria crassissima P.Crouan & H.Crouan, 1865)Published in AlgaeBase
(from synonym Polycavernosa crassissima (P.Crouan & H.Crouan) Fredericq & J.N.Norris, 1985)Published in AlgaeBase
(from synonym Gracilaria horizontalis Collins & Hervey, 1917)Published in AlgaeBase
Published in AlgaeBase
(from synonym Crassa crassissima (P.Crouan & H.Crouan) Gurgel, J.N.Norris & Fredericq, 2018)To Barcode of Life (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
To Barcode of Life (3 barcodes) (from synonym Hydropuntia crassissima (P.Crouan & H.Crouan) M.J.Wynne, 1989)
To Biodiversity Heritage Library (12 publications) (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
To European Nucleotide Archive, ENA (Crassiphycus crassissimus)
To GenBank (15 nucleotides; 666 proteins) (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
To GenBank (15 nucleotides; 666 proteins)
To GenBank (15 nucleotides; 666 proteins) (from synonym Plocaria crassissima P.Crouan & H.Crouan, 1865)
To NHMUK collection (Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan; Syntype; NHMUK:ecatalogue:436754) (from synonym Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1866)
From editor or global species database
Hosted externally, from synonym
