A new species of the genus Crenilabium (Mollusca, Heterobranchia, Acteonidae) from Brazil

Simone, Luiz Ricardo L.

doi:10.1590/s0031-10492006000700001

Cited by 22 publications

(48 citation statements)

References 1 publication

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“…Then the material was replaced by 70% ethanol. Afterwards, the material was identified with the aid of a stereomicroscope and identification bibliography suggested by Simone (2006) and Barbosa (1995).…”

Section: Field Methodologymentioning

confidence: 99%

“…This phylum is represented by the classes Gastropoda and Bivalvia in freshwater environments (Mansur et al, 1987). Brazil has 256 described species of freshwater gastropods and, according to Simone (2006) this number is underestimated compared with the diversity found in other countries. These animals are found in various water habitats such as rivers, weirs, ponds and lakes, living partially or totally buried in the substrate (Mansur et al, 1987) or associated with submerged aquatic macrophytes (Simone, 1999;Santana et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Effects of invasive species snails in continental aquatic bodies of Pernambucano semiarid

2018

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Aim: The aim of this study was to survey the species of molluscs and to evaluate the effect of exotic species on the native mollusks of three reservoirs in the Pajeú Basin Cachoeira II, Jazigo and Serrinha. Methods: Sampling was carried out with trawl net (5 mm mesh opening) and hand net (2 mm mesh opening). Results and conclusions: Were quantified 60,244 specimens, distributed among the species Melanoides tuberculata (49,398), Pomacea lineata (573), Biomphalaria straminea (376) and Physa marmorata (01). The invasive exotic species M. tuberculata was dominant in all reservoirs with a relative abundance greater than 85% and the other species were classified as occasional and rare, with emphasis in Physa marmorata that is present in the red list of species vulnerable to extinction. Regarding the frequency of occurrence, all species were classified as euconstant (occurrence greater than 65%), except P. lineata and P. marmorata, which were classified as ancillary (occurrence less than 40%). Among the species, M. tuberculata were the highest average density (1,636 ind.m -2 ) in Serrinha reservoir, showed a strong adaptation to the environmental conditions, due to its high dominance in all the reservoirs, being probably the main cause for the low diversity and density indices of native molluscs. Since P. marmorata presented low density and frequency, becoming an important point to be investigated as possible species impaired by the dominance of M. tuberculata.

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Section: Field Methodologymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of invasive species snails in continental aquatic bodies of Pernambucano semiarid

2018

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“…This species is native to tropical South America (Simone 2006). In Brazil, populations of L. unilamellata occur in Amazonas, Pará, Rondônia, Pernambuco, Bahia, Mato Grosso, Minas Gerais, Rio de Janeiro and São Paulo (Araújo 1982).…”

Section: Introductionmentioning

confidence: 99%

Ontogeny and morphological variability of shell in populations of Leptinaria unilamellata (d’Orbigny, 1835) (Mollusca, Pulmonata, Subulinidae)

Medeiros¹,

Caldeira²,

Mendonça³

et al. 2015

SpringerPlus

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BackgroundRecent studies concerning species of land snails have revealed that the shell morphometrics can provide evidence of the differentiation among populations. In many cases, the morphologic analysis combined with the investigation of molecular variability, can support changes in taxonomy of studied groups. In this sense, the study of shell morphometry during snail development can contribute to the understanding of the structural mechanisms that creates the diversity observed.DescriptionThe morphological and ontogenetic pattern differences were collected among snails from four different populations, kept under the same laboratorial conditions. It was possible to distinguish characteristic shell morphometrics for snails from each population. The snails from Barra Mansa and Floriano, locations with smaller precipitation indexes presented smaller shell aperture values. The results are discussed in terms of the role of the reproductive strategy of this species as a factor determining shell shape.ConclusionsDifferences in growth allometry indicated that the whole shell forming process is different among the populations, not only the final form of the adult’s shell. Some allometry relationships indicated that, during the snails’ development, the increase in shell width is not proportional to the increase of the width and height of the shell aperture. Thus, there is possibly an antagonism between the adoption of K-strategy and protection against desiccation. Since the spire indices of L. unilamellata morphotypes cannot be explained by physical functional aspects, the most likely explanation is the reproductive strategy of this species.

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“…It must be emphasized that the current systematic position under each taxon does not imply a revision, but generally follows the current understanding of recent authors (e.g. Miquel 1993, 1995; Richardson 1993, 1995; Simone 2006; Neubert et al 2009; Delsaerdt 2010, Thompson 2011). …”

Section: Handwritings and Labelsmentioning

confidence: 55%

Annotated type catalogue of the Orthalicoidea (Mollusca, Gastropoda) in the Museum für Naturkunde, Berlin

Breure¹

2013

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The type status is described of 96 taxa classified within the superfamily Orthalicoidea and present in the Mollusca collection of the Museum für Naturkunde der Humboldt-Universität zu Berlin. Lectotypes are designated for the following taxa: Orthalicus elegans Rolle, 1895; Bulimus maranhonensis Albers, 1854; Orthalicus nobilis Rolle, 1895; Orthalichus tricinctus Martens, 1893. Orthalicus sphinx tresmariae is introduced as new name for Zebra sphinx turrita Strebel, 1909, not Zebra quagga turrita Strebel, 1909. The following synonyms are established: Zebra crosseifischeri Strebel, 1909 = Orthalicus princeps fischeri Martens, 1893; Orthalicus isabellinus Martens, 1873 = Orthalicus bensoni (Reeve, 1849); Zebra zoniferus naesiotes Strebel, 1909 = Orthalicus undatus (Bruguière, 1789); Porphyrobaphe (Myiorthalicus) dennisoni pallida Strebel, 1909 = Hemibulimus dennisoni (Reeve, 1848); Zebra delphinus pumilio Strebel, 1909 = Orthalicus delphinus (Strebel, 1909); Orthalicus (Laeorthalicus) reginaeformis Strebel, 1909 = Corona perversa (Swainson, 1821); Bulimus (Eurytus) corticosus Sowerby III, 1895 = Plekocheilus (Eurytus) stuebeli Martens, 1885. The taxon Bulimus (Eudioptus) psidii Martens, 1877 is now placed within the family Sagdidae, tentatively in the genus Platysuccinea. Appendices are included with an index to all the types of Orthalicoidea extant (including those listed by Köhler 2007) and a partial list of letters present in the correspondence archives.

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A new species of the genus Crenilabium (Mollusca, Heterobranchia, Acteonidae) from Brazil

Abstract: ABSTRACT

Cited by 22 publications

References 1 publication

Effects of invasive species snails in continental aquatic bodies of Pernambucano semiarid

Effects of invasive species snails in continental aquatic bodies of Pernambucano semiarid

Ontogeny and morphological variability of shell in populations of Leptinaria unilamellata (d’Orbigny, 1835) (Mollusca, Pulmonata, Subulinidae)

Annotated type catalogue of the Orthalicoidea (Mollusca, Gastropoda) in the Museum für Naturkunde, Berlin

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