ABSTRACT: A series of research grants funded by the National Science Foundation involved a major component about education and outreach as it pertained to marine algal diversity. These included comprehensive studies into 1) the diversity of the deep bank marine algae in the Gulf of Mexico (NSF Biodiversity Surveys and Inventories program) and the discovery of unsuspected eukaryotic life inhabiting rhodolith for...
Phymatolithon is one of the most studied and ecologically important crustose coralline algae (CCA) because of their dominance in various marine ecosystems worldwide. The taxonomic history of the genus has been complex, and the genus has been revised multiple times on the basis of morphological and molecular analyses.
This talk will focus on recently collected new species of marine red algae growing on the surface of rhodoliths at 56-85m depth in the northwestern Gulf of Mexico.
ABSTRACT: The crust forming genus Peyssonnelia Decaisne is a taxon of great ecological importance, with some species involved in the establishment of rhodoliths. Comparative morphological and molecular analyses demonstrate a greater diversity of peyssonnelioid species than was previously reported. In chloroplast-encoded rbcL-based trees, species referred to as Peyssonnelia in the literature do not group togethe...
ABSTRACT: The genus Gibsmithia was erected to accommodate a species with the peculiar combination of gelatinous lobes rising from cartilaginous stalks. Based on G. hawaiiensis from Hawaii, it remained monotypic for over 20 years, when three additional species were described from Australia. G. hawaiensis is unique for its furry appearance due to cortical filaments beyond the surface. Gibsmithia have been reporte...
ABSTRACT: In 1989, a gelatinous red alga was reported for the Caribbean, to which no species name, genus, order or even family could be assigned. Renouxia antillana was finally described in 1995 and accomodated in a new order and family (Rhodogorgonales, Rhodogorgonaceae) along with Rhodogorgon ramosissima described six years earlier based on material from reefs in Belize. For more than 20 years, the genus has ...
ABSTRACT: The genera in the Rhodymeniaceae that have a hollow thallus lacking diaphragms comprise Chrysymenia J. Agardh (including Gloiosaccion Harvey), Botryocladia (Agardh) Kylin and Irvinea Guiry. Chrysymenia has traditionally been defined by a lack of internal rhizoids and with the only solid portion of the thallus limited to the stipe, and Botryocladia is characterized by the presence of larger, solid axes.
ABSTRACT: In the northwestern Gulf of Mexico beds of rhodoliths and unconsolidated rubble are associated with unique offshore deep bank habitats, the salt domes or diapirs that are peculiar to that part of the northern Gulf. In contrast to being mainly composed of crustose corallines (or foraminifera), rhodoliths in the NW Gulf of Mexico at depths of 40-85 m are instead dominated by red algal crust-forming memb...