A new species of isopod of the genus Curassanthura (Cymothoida, Anthuroidea, Leptanthuridae) from anchialine caves of the Yucatan Peninsula, Mexico

Álvarez, Fernando; Benítez, Sergio A; Iliffe, Thomas M.; Villalobos, José Luis

doi:10.1163/15685403-00003892

Cited by 5 publications

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“…The anchialine cave systems of the world have been intensely studied during the last three decades since their discovery and the improvement of diving techniques to explore them (Iliffe 2018, Iliffe and. The vast majority of studies so far conducted with anchialine fauna are of a taxonomic nature, often with descriptions of new species, or presenting new distributional records (Alvarez and Ojeda 2018, Iliffe and Alvarez 2018, Alvarez et al 2015, 2019. Although basic ecological questions are of great importance, few studies have been published regarding the population dynamics of key species, trophic interactions and seasonal variations in diversity and abundance in these environments (Pohlman et al 1997, Havird et al 2015, Brankovits et al 2017.…”

Section: Introductionmentioning

confidence: 99%

How is the anchialine fauna distributed within a cave? A study of the Ox Bel Ha System, Yucatan Peninsula, Mexico

Benítez¹,

Illife²,

Quiroz‐Martínez³

et al. 2019

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A study describing the diversity and distribution pattern of the stygobitic fauna in the Ox Bel Ha anchialine cave system adjacent to the Caribbean coast of the Yucatan Peninsula, Mexico is presented. A total of 15 species of crustaceans were collected in three surveys at four points situated along a 10.2 km transect perpendicular to the coast line. A freshwater mass dominated throughout the transect with a halocline that appeared progressively deeper, from 10 to 18 m, with increasing distance from the coast. All the recorded species, except for one, occurred throughout the transect with no defined pattern. Abundance and species richness did not vary significantly with distance from the coast, whereas diversity (H') peaked in the second sampling site at 3.17 km from the coast. As expected, most of the organisms occurred only in the freshwater layer, except for the remipede Xibalbanus tulumensis (Yager, 1987) that was found always at or below the halocline, and five other species that were found above and below the halocline. In the horizontal scale, species composition and occurrence mixed without a defined pattern, both, for sampling dates and sites. The results show that the analyzed fauna is distributed throughout the 10.2 km transect without showing any defined horizontal zonation pointing to a high connectivity among all sections. Due to the high connectivity within the caves in the area, it is expected that significant variation in species composition and distribution will be found at a larger regional scale.

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Section: Introductionmentioning

confidence: 99%

How is the anchialine fauna distributed within a cave? A study of the Ox Bel Ha System, Yucatan Peninsula, Mexico

Benítez¹,

Illife²,

Quiroz‐Martínez³

et al. 2019

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“…The present study confirms first records for T. cernua and T. unidens in the state of Yucatan. Together with the amphipod M. troglomorpha, which was discovered and described within the frame of herein presented expeditions (Angyal et al 2018) and the new cave isopod Curassanthura yucatanensis Álvarez, Benítez, Iliffe & Villalobos, 2019(Álvarez et al 2019, the list of stygobiotic crustaceans recorded for the state of Yucatan raised from 22 (in 2016) to 26. In addition, the cirolanid isopod C. yunca was only known from its type locality, but we now provide distribution data for this species in three other localities.…”

Section: Discussionmentioning

confidence: 91%

New distribution records of subterranean crustaceans from cenotes in Yucatan (Mexico)

Angyal

Chávez-Solís

Beltrán

et al. 2020

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New records of 14 stygobiont crustacean species pertaining to six Malacostraca orders from 32 cenotes are presented, with their associated caves of the state of Yucatan, Mexico, together with an individual account for each species. Species composition of most of the investigated cenotes is examined for the first time. A thermosbaenacean and two amphipod species were not formally recorded to the cenote ecosystems of the state of Yucatan prior to our research. Distribution data of a cirolanid isopod previously known only from its type locality is also provided. Barcodes of mitochondrial cytochrome c oxidase subunit I for the reported peracarid species previously lacking this information have been included in present study as tools for species identification and a baseline of further molecular genetic analyses.

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“…New discoveries of recent years indicate the need of further subterranean biological explorations to gain deeper knowledge on the species richness and distribution of these cryptic habitats of Yucatan (e.g. Angyal et al 2018;Álvarez et al 2019).…”

Section: Discussionmentioning

confidence: 99%

“…The four previously known species are from Caribbean and North Atlantic islands. C. yucatanensis is the first Curassanthura species to be described from a continental environment (Poore 2009;Álvarez et al 2019).…”

Section: Discussionmentioning

confidence: 99%

Uptaded checklist, historical overview and illustrated guide to the stygobiont Malacostraca (Arthropoda: Crustacea) species of Yucatan (Mexico)

Angyal¹,

Simões²,

Mascaró³

2020

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This study provides an updated checklist and an illustrated guide to the 17 currently known stygobiont Malacostraca species of the state of Yucatan (Yucatan Peninsula, Mexico). The compilation is based on the individuals collected during our cave-diving expeditions (2016–2019), and, has the purpose of expanding previous knowledge on the taxonomy of these subterranean crustaceans. The identification guide contains drawings of the main diagnostic characters of the species as well as a brief introduction of the relevant malacostracan orders. The information is further complemented with a historic account and timeline of the stygobiont Malacostraca species of the Yucatan Peninsula. This is the first study that provides a unified tool for the morphological identification of these highly endemic species.

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A new species of isopod of the genus Curassanthura (Cymothoida, Anthuroidea, Leptanthuridae) from anchialine caves of the Yucatan Peninsula, Mexico

Cited by 5 publications

References 0 publications

How is the anchialine fauna distributed within a cave? A study of the Ox Bel Ha System, Yucatan Peninsula, Mexico

How is the anchialine fauna distributed within a cave? A study of the Ox Bel Ha System, Yucatan Peninsula, Mexico

New distribution records of subterranean crustaceans from cenotes in Yucatan (Mexico)

Uptaded checklist, historical overview and illustrated guide to the stygobiont Malacostraca (Arthropoda: Crustacea) species of Yucatan (Mexico)

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