Journal
CRYPTOGAMIE ALGOLOGIE
Volume 40, Issue 6, Pages 63-72Publisher
ADAC-CRYPTOGAMIE
DOI: 10.5252/cryptogamie-algologie2019v40a6
Keywords
Gigartinales; Morphology; rbcL; red algae; new species
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Funding
- DGAPA through the Programa de Becas Postdoctorales en la UNAM (POSDOC)
- research project Caracterizacion molecular y relaciones filogeneticas de las especies litorales de la familia Solieriaceae (Gigartinales, Rhodophyta) en la Peninsula de Yucatan, Mexico
- [UAMI-CBS2019-2022: 17.18-281118]
- [UAMI-CA-117]
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The genus Meristotheca J. Agardh is the second largest in Solieriaceae with 13 species widely distributed whose thalli are mainly flattened. On the basis of molecular and morpho-anatomical evidence, M. spinella Nunez-Resendiz, Dreckmann & Senties, sp. nov. is the second species in the genus with cylindrical axes to be described from the southwestern Gulf of Mexico. rbcL sequences and genetic distance values indicate its separation from other species within Meristotheca and from other morphologically similar species occurring in its known distribution range as M. cylindrica Nunez-Resendiz, Dreckmann & Senties. The numerous short branchlets that cover the margins of main axes and branches, among other relevant anatomical and reproductive characters, is the main difference from M. cylindrica, its sister species.
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