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Centroceras illaqueans C.W.Schneider, Cianciola & Popolizio 2015

Publication details
Centroceras illaqueans C.W.Schneider, Cianciola & Popolizio in Schneider & al. 2015: 29, 30, figs 4D, 7

Published in: Schneider, C.W., Ciancola, E.N., Popolizio, T.R., Spagnuolo, D.S. & Lane, C .E. (2015). A molecular-assisted alpha taxonomic study of the genus Centroceras (Ceramiaceae, Rhodophyte) in Bermuda reveals two novel species. Algae. An International Journal of Algal Research 30(1): 15-33.

Publication date: 2015

Type species
The type species (lectotype) of the genus Centroceras is Centroceras clavulatum (C.Agardh) Montagne.

Status of name
This name is of an entity that is currently accepted taxonomically.

Type information
Holotype locality: Capt. William's Bay, Bermuda Is. (32°18'09.3" N, 64°44'22.4" W), Bermuda, western Atlantic Ocean (Schneider et al. 2015: 30). Holotype: Schneider/ Lane 09-2-9; March 15, 2009; tidal pool, rocky point south of beach. MICH (Schneider et al. 2015: 30, fig. 7A). Notes: Isotypes: KIRI, NY, US, Herb. CWS. GenBank Nos. KP222781, KP222802.

Origin of species name
Participle (Latin), entrapping (Schneider et al. 2015).

No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

Plants light rosy-red, with prostrate and erect axes 140-210 µm in diam. and to 2 cm tall (Schneider et al. 2015: fig. 6A); branching pattern pseudodichotomous, rarely with a branch forming in the notches of main branches at apices (Schneider et al. 2015: fig. 6B); branches forming at intervals of 11-12 axial cells on the main axes, branches erect with straight to slightly forcipate apices (Schneider et al. 2015: fig. 6B); adventitious branches occasionally developing from periaxial cells in lower portions; uniseriate, multicellular rhizoids issued in profusion from prostrate axes and lower portions of erect axes; 0-3 straight, 2-celled spines formed at axial cell nodes and in the notches of branches, one almost always found in notches of dichotomous branches, 12-14 µm diam. and 33-39 µm long (Schneider et al. 2015: fig. 6D); distal ends of axial cells cutting off 10-12 periaxial cells, these remaining at the nodes during axial cell elongation (Schneider et al. 2015: fig. 6C); except for the first abaxial periaxial cell, periaxial cells cutting off two cortical initials acropetally and one basipetally (Schneider et al. 2015: fig. 8D); the first cortical initial cutting off one spine and one elongate cortical cell, one gland cell and one elongate cortical cell, or two elongate cortical cells; the second cortical initial cutting off one elongate acropetal cortical cell and one basipetal cortical filament; the third cortical initial cutting off one basipetal filament; basipetal filaments made up of 8-9 cortical cells in tiered files, the cells isodiametric to short rectangular in surface view, the smallest 7-8 µm diam. and 10-13 µm long, the largest 5-14 µm diam. and 20-25 µm long, these completely corticating axial cells from node to node (Schneider et al. 2015: fig. 6D & E); gland cells ovoid; gametangia and tetrasporangia not seen.

Detailed distribution with sources
(as Centroceras illaqueans C.W.Schneider, Cianciola & Popolizio)
Atlantic Islands: Bermuda (Schneider et al. 2015).

Western Atlantic: Trop. & Subtrop. W. Atlantic (Wynne 2017).

Created: 20 April 2015 by G.M. Guiry

Verified by: 05 October 2015 by Craig Schneider

Accesses: This record has been accessed by users 59 times since it was created.

Verification of data
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=154645

Citing AlgaeBase
Cite this record as:
G.M. 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 20 October 2021.

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