Taxonomic studies in the Schizymeniaceae (Nemastomatales, Rhodophyta): on the identity of Schizymenia sp. in the Azores and the generic placement of Nemastoma confusum

Gabriel, Daniela; Schils, Tom; Parente, Manuela I.; Draisma, Stefano; Neto, Ana I.; Fredericq, Suzanne

http://hdl.handle.net/10400.3/2164

Use this identifier to reference this record.

Name:	Description:	Size:	Format:
2011_Gabriel_etal_Schyz_Phycol.pdf		2.42 MB	Adobe PDF	Download

Send Feedback

Authors

Abstract(s)

Comparative rbcL sequence analysis indicates that the species going under the name Schizymenia dubyi in the Azores should be referred to as S. apoda. Sequences of Schizymenia specimens from China and Namibia were also identified as S. apoda, of which the type locality is the Cape Province in South Africa. Schizymenia dubyi, described from Atlantic France, is clearly a distinct species that we here report for Japan and Sicily in the Mediterranean Sea. Both Schizymenia species, along with an unreported species from Japan, are distinct from S. pacifica described from Washington, in the Pacific Coast of North America. Secondary pit connections were observed in gametophytes of S. apoda from the Azores, a previously unknown character for the Nemastomatales. Examination of type material of Nemastoma confusum indicates that this species, currently placed in the Nemastomataceae, should be transferred to the genus Platoma in the Schizymeniaceae. A morphological comparison between Platoma confusum (Kraft & John) comb. nov. with descriptions of P. cyclocolpum and P. chrysymenioides suggests that the three species are closely related.

Description

Keywords

Azores Nemastoma Nemastomatales Platoma rbcL Rhodophyta Schizymenia Schizymeniaceae Systematics Taxonomy

URI

http://hdl.handle.net/10400.3/2164

Citation

Gabriel D, Schils T, Parente MI, Draisma SGA, Neto AI & Fredericq S (2011). "Taxonomic studies in the Schizymeniaceae (Nemastomatales, Rhodophyta): on the identity of Schizymenia sp. in the Azores and the generic placement of Nemastoma confusum". «Phycologia», 50(2): 109-121. http://dx.doi.org/10.2216/09-67.1.