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The occurence of Neogoniolithon fosliei (heydrich) Setchell et mason in the Mexican Caribbean and the Relationship of this species to N. solubile (foslie et howe)setchell et mason (Corallinales, rhodophyta)
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En: CARIBBEAN JOURNAL OF SCIENCE, vol. 40 núm.2 Aug. 2004: p 182-191. bibl. fotos. tablas.
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Revista: Caribbean journal of science, vol. 40, núm. 2; Aug. 2004
Resumen: We report Neogoniotithon fosliei from the Mexican Caribbean, after comparing its type from the Red Sea and lectotype from Puerto Rico with specimens of N. solubile from Mexico. We propose that these two taxa are conspecific, since they display a similar morphology on the following characters: (1) nongeniculate thallus with a flattened dorsal surface lacking protuberances, (2) ventral region (medulla) arranged in a coaxial manner and occupying 50-75% of the thallus thickness, (3) monomerous contruction,(4) cells of adjacent filaments connected by lateral fusions, (5) trichocytes similar in size and occuring singly and horizontal or vertical rows, (6) epithallium composed of a single layer of cells, and (7) similar in size epithallial, cortical and medullar cells. Neogoniolithon solubile is recognized as a junior synonum of N. fosliei and we refer our Caribbean material to the latter species that has nomenclatural priority.
Palabras Claves: Corallinales, Neogoniolithon fosliei, N. solubile, Mexican Caribbean, taxonomy
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The occurence of Neogoniolithon fosliei (heydrich) Setchell et mason in the Mexican Caribbean and the Relationship of this species to N. solubile (foslie et howe)setchell et mason (Corallinales, rhodophyta)

We report Neogoniotithon fosliei from the Mexican Caribbean, after comparing its type from the Red Sea and lectotype from Puerto Rico with specimens of N. solubile from Mexico. We propose that these two taxa are conspecific, since they display a similar morphology on the following characters: (1) nongeniculate thallus with a flattened dorsal surface lacking protuberances, (2) ventral region (medulla) arranged in a coaxial manner and occupying 50-75% of the thallus thickness, (3) monomerous contruction,(4) cells of adjacent filaments connected by lateral fusions, (5) trichocytes similar in size and occuring singly and horizontal or vertical rows, (6) epithallium composed of a single layer of cells, and (7) similar in size epithallial, cortical and medullar cells. Neogoniolithon solubile is recognized as a junior synonum of N. fosliei and we refer our Caribbean material to the latter species that has nomenclatural priority.
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