Publications:

Gavio et al. 2005


scientific article | Gulf Mex Sci | open access

Platoma chrysymenioides sp. nov. (Schizymeniaceae), and Sebdenia integra sp. nov. (Sebdeniaceae), two New Red Algal Species from the Northwestern Gulf of Mexico, with a Phylogenetic Assessment of the Cryptonemiales Complex (Rhodophyta)

Gavio B, Hickerson E, Fredericq S


Abstract

Recent collecting cruises conducted in the Northwestern Gulf of Mexico at 40- to 90-m depth revealed a diverse deepwater flora that is dominated by members of the Cryptonemiales complex. In this article, we describe two species new to science, Platoma chrysymenioides sp. nov. (Schizymeniaceae) and Sebdenia integra sp. nov. (Sebdeniaceae). Chloroplast-encoded rbcL sequence analyses corroborate morphological and nuclear small subunit ribosomal RNA gene data that the red algal orders Cryptonemiales and Rhodymeniales are closely related. The allied order Nemastomatales is strongly supported to include the Nemastomataceae and Schizymeniaceae, but the phylogenetic position of the Sebdeniaceae and Tsengiaceae remains equivocal. The Cryptonemiales, Rhodymeniales, Nemastomatales, Sebdeniaceae, and Tsengiaceae form a well-supported monophyletic assemblage—the Cryptonemiales complex—within the Rhodophyta.

Keywords
Meta-data
Depth range
40- 90 m

Mesophotic “mentions”
0 x (total of 8019 words)

Fields
Evolution
Taxonomy

Focusgroups
Algae (Macro, Turf and Crustose Coralline)

Locations
USA - Gulf of Mexico

Platforms
Dredging / trawling
Remotely Operated Vehicle (ROV)


Reports new species
Author profiles
Emma Hickerson ( 6 pubs)