Taxonomical study on a sample of land snails from Nanuque (Minas Gerais, Brazil), with descriptions of three new species

Simone, Luiz Ricardo L.; Salvador, Rodrigo

doi:10.18476/sbna.v9.a2

Cited by 11 publications

(11 citation statements)

References 8 publications

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“…conicus (Bequaert, 1948) [ 21 ]. As remote outgroups, a bulimulid ( Leiostracus carnavalescus Simone & Salvador, 2016 [ 22 ]) and a simpulopsid ( Rhinus botocudus Simone & Salvador, 2016 [ 22 ]), and close outgroups a pair of African dorcasiids ( Dorcasia alexandri Gray, 1838 and Trigonephrus porphyrostoma (Melvill & Ponsonby, 1891) [ 23 ]) were chosen. All six species studied herein were also included.…”

Section: Methodsmentioning

confidence: 99%

Additions to the genus Anthinus occurring in Minas Gerais and Goiás regions, Brazil, with description of five new species, one of them in the new related genus Catracca (Gastropoda, Eupulmonata, Strophocheilidae)

Simone

2022

PLoS ONE

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Four new species of the strophocheilid genus Anthinus are described from Brazil, being A. synchondrus from region of Unaí, Minas Gerais; A. vailanti from the region of Brasilândia de Minas, Minas Gerais; A. morenus from Paracatu region, Minas Gerais; and A. savanicus from Formosa region, Goiás. Another similar snail from Itacarambi, Minas Gerais, is described as a new genus and species: Catracca uhlei. All species are described conchologically and anatomically, with distinctions explored in almost all structures. For comparative purposes, a similar anatomical investigation on the Anthinus type species, A. multicolor, from Rio de Janeiro, is also performed. A detailed comparative analysis and discussion is provided, including taxonomic and initial phylogenetic inferences. The preliminary phylogenetic analysis is based on anatomically known species in the literature and in the presently study. A bulimulid, a simpulopsid and two dorcasiids are outgroups. The preliminary cladogram already shows a monophyletic Strophocheilidae (14 synapomorphies), divided into two also monophyletic subfamilies: Megalobuliminae (14 synapomorphies) and Strophocheilinae (5 synapomorphies). The new Catracca resulted as the most basal strophocheilid branch. Mirinaba and Anthinus were also supported as monophyletic (3 and 6 synapomorphies respectively. Register ZooBank: urn:lsid:zoobank.org:pub:FC4DD323-EF6A-404B-9755-F124F9DBB6D4.

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Section: Methodsmentioning

confidence: 99%

Additions to the genus Anthinus occurring in Minas Gerais and Goiás regions, Brazil, with description of five new species, one of them in the new related genus Catracca (Gastropoda, Eupulmonata, Strophocheilidae)

Simone

2022

PLoS ONE

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“…The locality is a tiny fragment of Atlantic Rainforest close to the Mucuri River, surrounded by tomato fields and thus highly subject to anthropogenic impacts and degradation. See Simone & Salvador (2016) for more details.…”

Section: Methodsmentioning

confidence: 99%

“…With the main goal of filling a gap in knowledge of neritimorph phenotypic features, a more complete anatomical description of Helicina variabilis Wagner, 1827 is provided herein. Specimens of this species were collected during an expedition by the naturalist and conchologist José Coltro Jr. and his team to the region of Nanuque in northern Minas Gerais state, which recovered many land snails, most of them reported by Simone & Salvador (2016). This is another example of how much remains to be discovered in a region of Brazil that is historically the most explored and exploited, and in which the natural areas, mainly remnants of the Atlantic Rainforest, are highly threatened, lacking information that allows their preservation.…”

Section: Introductionmentioning

confidence: 99%

Phenotypic features of Helicina variabilis (Gastropoda: Neritimorpha) from Minas Gerais, Brazil

Simone

2018

Pap. Avulsos Zool.

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Helicina variabilis Wagner, 1827 (Neritimorpha, Helicinidae) is redescribed based on a sample collected in Nanuque, northern Minas Gerais, Brazil. The species description, previously based only on the shell, is expanded to the phenotypic features. The study revealed absorption of the internal shell whorls; a diaphragm muscle connected to the floor of the pallial cavity; a monoaulic pallial oviduct, with the female genital aperture inside the anal aperture, and the lack of a seminal receptacle and provaginal sac; and the pleural ganglia of the nerve ring connected with each other. The significance of these findings is discussed in the light of current taxonomic and phylogenetic knowledge.

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“…In their study describing Sanniostracus carnavalescus [ 42 ], the authors noted the morphoanatomical similarities between their new species and member of the family Bulimulidae. Nevertheless, other similarities with Leiostracus spp.…”

Section: Systematicsmentioning

confidence: 99%

“…Remarks: S . carnavalescus is highly polymorphic in shell colour patterns [ 42 ]. However, the holotype and paratype (red morph) show a reasonable genetic distance between them ( Fig 6 ), which might be indicative that they potentially represent two different sympatric taxa.…”

Section: Systematicsmentioning

confidence: 99%

Molecular phylogeny of the Orthalicoidea land snails: Further support and surprises

et al. 2023

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The superfamily Orthalicoidea comprises approximately 2,000 species of terrestrial gastropods, mostly concentrated in the Neotropics but also present in southern Africa and Oceania. We provide a multi-marker molecular phylogeny of this superfamily, reassessing its family- and genus-level classification. We exclude two families from the group, Odontostomidae and Vidaliellidae, transferring them to Rhytidoidea based on their phylogenetic relationships as recovered herein. Two new families are recognized herein as members of Orthalicoidea, Tomogeridae and Cyclodontinidae fam. nov. The family Megaspiridae and the subfamily Prestonellinae are paraphyletic but are retained herein for taxonomic stability. The subfamily Placostylinae is synonymized with Bothriembryontinae. The new genera Alterorhinus gen. nov. and Sanniostracus gen. nov. containing some Brazilian species are described here to better reflect the phylogeny. The fossil record and paleobiogeographic history of the group is explored under the new phylogenetic framework.

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Taxonomical study on a sample of land snails from Nanuque (Minas Gerais, Brazil), with descriptions of three new species

Cited by 11 publications

References 8 publications

Additions to the genus Anthinus occurring in Minas Gerais and Goiás regions, Brazil, with description of five new species, one of them in the new related genus Catracca (Gastropoda, Eupulmonata, Strophocheilidae)

Additions to the genus Anthinus occurring in Minas Gerais and Goiás regions, Brazil, with description of five new species, one of them in the new related genus Catracca (Gastropoda, Eupulmonata, Strophocheilidae)

Phenotypic features of Helicina variabilis (Gastropoda: Neritimorpha) from Minas Gerais, Brazil

Molecular phylogeny of the Orthalicoidea land snails: Further support and surprises

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