Marococandona, a new genus of Candonidae (Crustacea, Ostracoda) from Southern Morocco : morphological characteristics and ecological requirements

Marmonier, Pierre; Boulal, Mokhtar; Idbennacer, B.

doi:10.1051/limn/2005006

Cited by 8 publications

(6 citation statements)

References 19 publications

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“…Until a few years ago, information on non-marine ostracods of the Maghreb was largely based on the contributions by Gurney (1909), Gauthier (1928aGauthier ( , 1928bGauthier ( , 1928c, Klie (1943) and, to a lesser extent, on scattered data in the literature. Only recently, new studies have contributed towards increasing the knowledge on their distribution in this area and with the description of new species (among them, Danielopol et al, 1990;Marmonier et al, 2005;Schmit et al, 2013a). Zaibi et al (2013) reviewed the existing literature on the occurrence of non-marine ostracods in Tunisia and provided new data from a survey carried out in 15 sites from the central and southern part of the country.…”

Section: Introductionmentioning

confidence: 99%

The Recent non-marine ostracods of Tunisia: an updated checklist with remarks on their regional distribution patterns and ecological preferences

et al. 2020

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Different lines of investigation have recently contributed to increasing the available knowledge about the invertebrates inhabiting inland waters of north Africa, but a comprehensive synopsis on Tunisian Ostracoda is missing to date. An updated checklist of Recent non-marine ostracods from Tunisia and data on their distribution is thus offered here, representing the most extensive survey on this crustacean group ever carried out in inland waters throughout the country. One-hundred-five sites covering various climate zones, from Mediterranean to desert areas, were sampled between 2002 and 2012. Most of the considered water bodies were temporary or ephemeral habitats, but a few permanent sites were sampled as well. Overall, 18 genera and 32 taxa of putative species rank were collected in the frame of this survey, among which nine species and five genera were new to Tunisian fauna. As a result of this study and based on previous investigations, nine families (Candonidae, Cyprididae, Cytherideidae, Darwinulidae, Ilyocyprididae, Leptocytheridae, Limnocytheridae, Loxoconchidae, Paradoxostomatidae), 29 genera and at least 45 species of non-marine ostracods are currently known for Tunisia, which thus prove to host the most diverse ostracod fauna among north African countries. The number of species occurring in a single sample varied from 1 to 4. The Eucypris virens complex was the most widespread taxon (58 records), followed by Heterocypris barbara (30 records), Heterocypris incongruens (22 records), and Sarscypridopsis aculeata (16 records). For some ostracod species, clear distributional gradients associated with different climatic conditions were observed. The affinities with adjacent Maghrebian ostracod faunas are discussed. This study confirms the crucial role played by marginal aquatic habitats for the conservation of biodiversity, in particular in arid and semi-arid regions.

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Section: Introductionmentioning

confidence: 99%

The Recent non-marine ostracods of Tunisia: an updated checklist with remarks on their regional distribution patterns and ecological preferences

et al. 2020

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“…Among the 7 genera (Candonopsis, Cubacandona, Marococandona, Caribecandona, Pioneercandonopsis, Latinopsis, and Candobrasilopsis) of the tribe Candonopsini, only Caribecandona seems to bear 6-segmented A1 (III and IV segments fused) (Broodbakker 1983;Marmonier et al 2005). According to Karanovic (2012), Marococandona nicolae Marmonier, Boulal and Idbennacer, 2005 has 6-segmented A1, but this seems to be in error as the species was described as having 5 segmented A1 (see Marmonier et al 2005: figs 5A, 7A). Smith (2011) and Smith and Kamiya (2015) described Undulacandona Smith, 2011 with 2 species stating that A1 bears 6 segments where the first 2 segments were partially fused together.…”

Section: Discussionmentioning

confidence: 99%

“…In Rugosuscandona gen. nov., the uropod is strongly reduced into a single rod-like claw without spines. Although in other parts of the world, only several species in the tribe (e.g., Marococandona nicolae Marmonier et al 2005, Caribecandona trapezoidea Broodbakker 1983, C. ansa Broodbakker 1983, C. auricularia Broodbakker 1983, and Danielocandona lieshoutae Broodbakker, 1983 show the similar character (see Broodbakker, 1983;Marmonier et al 2005), this is only the second genus with such a rod-like or whip-like uropod that has been described in North America (Külköylüoğlu et al 2011). Moreover, the members of the tribe Candonopsini do not have posterior seta on the uropod.…”

Section: Discussionmentioning

confidence: 99%

<i>Rugosuscandona</i>, a New Genus of Candonidae (Crustacea: Ostracoda) from Groundwater Habitats in Texas, North America

Külköylüoğlu

Akdemi̇r²,

Yavuzatmaca

et al. 2017

Spec.Div.

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http://zoobank.org/CD308AA8-CCA0-4831-B7CB-3052E946588FRugosuscandona scharfi gen. nov. sp. nov. is described as a new genus of the family Candonidae from groundwaters of Texas, USA. The new genus differs from its congeners based on the presence of relatively long pore canals with sensory seta on the carapace surface, 6-segmented first antenna (A1), absence of bristles (t setae untransformed) and z setae on second antenna (A2), distinctly shaped male hemipenis and clasping organs, a simple claw-like uropod, and presence of 4+2 whorls on the Zenker's organ. Additionally, reduction in the number of setae and segments of the other soft body parts can be used to differentiate between the new genus Rugosuscandona gen. nov. and its congeners. Therefore, the new genus is currently monotypic. Taxonomic status of the new genus is discussed and compared with living genera of the family.

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“…Some of them have continued to employ the terms endopodite and/or exopodite when referring to the uniramous antennule. For ostracods see, inter alia, Lowry (1999 onwards), Marmonier et al (2005), Karanovic (2005a). For copepods, again where only single axis antennules are known (Huys & Boxshall, 1991), it has been postulated that the axis is formed by protopodal segments and an endopodal ramus (e.g., Ferrari & Dahms, 2007).…”

Section: Introductionmentioning

confidence: 99%

A critique of biramous interpretations of the crustacean antennule

Tabacaru¹,

Danielopol²,

Smith³

et al. 2010

Crustac

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For several groups of Crustacea (especially Remipedia, Malacostraca, and Ostracoda) it has been repeatedly suggested that the antennula (first antenna) is serially homologous with the postantennular limbs, particularly with regard to the existence of an endopodite and an exopodite. This opinion is critically reviewed and, based on arguments derived from comparative morphology, developmental biology, and phylogeny of various groups belonging to the Arthropoda, ultimately refuted. Available evidence indicates that crustacean antennules are primitively single axis limbs and the use of a terminology derived from a biramous limb, as used in some publications, is both unjustified and potentially misleading. RÉSUMÉPour plusieurs groupes de Crustacés (en particulier les Rémipèdes, les Malacostracés et les Ostracodes), il a été suggéré à plusieurs reprises que l'antennule (première antenne) est homologue sérielle des appendices post-antennulaires, en particulier par rapport à l'existence d'un endopodite et d'un exopodite. Cette opinion est analysée de façon critique à partir d'arguments provenant 6 )

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Marococandona, a new genus of Candonidae (Crustacea, Ostracoda) from Southern Morocco : morphological characteristics and ecological requirements

Cited by 8 publications

References 19 publications

The Recent non-marine ostracods of Tunisia: an updated checklist with remarks on their regional distribution patterns and ecological preferences

The Recent non-marine ostracods of Tunisia: an updated checklist with remarks on their regional distribution patterns and ecological preferences

<i>Rugosuscandona</i>, a New Genus of Candonidae (Crustacea: Ostracoda) from Groundwater Habitats in Texas, North America

A critique of biramous interpretations of the crustacean antennule

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