Description of Four New Species of Limestone-associated Torresitrachia Land Snails (Mollusca: Pulmonata: Camaenidae) from the Katherine District of the Northern Territory, with Comments on Their Conservation

Willan, Richard C.; Köhler, Frank; Kessner, Vince; Braby, Michael F.

doi:10.5962/p.287452

Cited by 7 publications

(3 citation statements)

References 17 publications

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“…Hence, the major change to the habitat at Site B over the past 30 years appears to have been a substantial increase in grass biomass in the ground layer, most notably .S', macrospermurn, and the concomitant decrease of a monsoon vine thicket shrub-layer. The estimated extent of occurrence of T. wallacei is less dian 5 km 2 (Willan et al 2009) and our field observations indicated that its entire habitat has been invaded and substantially altered by this grass.…”

Section: Land Snails As Bioindicatorsmentioning

confidence: 66%

“…This information can then be used to develop the scientific basis for conservation management and restoration of this ecological community. In addition, because most species of land snails obligatorily associated with limestone outcrops are scientifically undescribed, taxonomic studies are also needed to fully document the fauna (Willan et al 2009).…”

Section: Discussionmentioning

confidence: 99%

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Land snails associated with limestone outcrops in northern Australia - a potential bioindicator group

Braby¹,

Willan²,

Woinarski³

et al. 2011

Northern Territory Naturalist

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Limestone outcrops and their associated monsoon vine thickets (dry rainforest) comprise a distinctive but poorly-known ecological community in northern Australia.Currently, most outcrops are poorly protected and lack adequate conservation management, the fire-sensitive rainforest vegetation is threatened by increased levels of landscape burning, and many outcrops are in need of restoration. Land snails Naturalist 23, 2-17.

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Section: Land Snails As Bioindicatorsmentioning

confidence: 66%

Section: Discussionmentioning

confidence: 99%

Land snails associated with limestone outcrops in northern Australia - a potential bioindicator group

Braby¹,

Willan²,

Woinarski³

et al. 2011

Northern Territory Naturalist

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“…The dependence of snails on limestone is presumably related to the availability of calcium carbonate in the limestone habitats that is required for shell growth and reproduction (Graveland et al 1994;Barker 2001). Therefore, the presence of numerous karst microhabitats can support a high snail diversity (Clements et al 2006;Willan et al 2009;Sutcharit et al 2020b;Pholyotha et al 2021aPholyotha et al , 2021bPholyotha et al , 2022a.…”

Section: Introductionmentioning

confidence: 99%

Molecular phylogeny of the land snail family Euconulidae in Thailand and its position in the superfamily Trochomorphoidea (Stylommatophora: Limacoidei), with description of a new genus

Pholyotha,

Panha,

Sutcharit

et al. 2023

Invertebr. Syst.

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The Euconulidae is a globally distributed land snail family but there is no record of this family from Thailand. In this study, we describe a new genus, Siamoconus gen. nov., based on comparative studies of the shell characteristics, external morphology of animals, radula, genital and spermatophore structures, and molecular phylogeny. We performed phylogenetic analyses of two mitochondrial gene fragment (cytochrome c oxidase I, COI; and 16S rRNA) and one nuclear (28S rRNA) gene fragment to clarify the relationships with other euconulid genera and its position in the superfamily Trochomorphoidea. We also analysed shell morphometrics, male genitalia and mantle pigmentation of Siamoconus gen. nov., confirming the status of three new species with keeled shells (S. boreas sp. nov., S. coleus sp. nov. and S. geotrochoides sp. nov.) and one new species with a rounded shell (S. destitutus sp. nov.). These new species are restricted to limestone areas in northern and north-eastern Thailand. We also re-examined the status of other genera in the superfamily Trochomorphoidea based on shell features, body pigmentation, radula, genital anatomy, spermatophore morphology, and a phylogenetic analysis of all available trochomorphoidean DNA sequences. Our analysis suggests that the family Geotrochidae, previously synonymised with the Trochomorphidae, should be resurrected to represent the genus Geotrochus from Borneo, and this family is retrieved as the sister clade of the Dyakiidae. ZooBank: urn:lsid:zoobank.org:pub:C5205F4E-5DDE-42E6-A532-761CAFE099C3

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Australian land snails: a review of ecological research and conservation approaches

Parkyn

Newell

2013

Molluscan Research

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Description of Four New Species of Limestone-associated Torresitrachia Land Snails (Mollusca: Pulmonata: Camaenidae) from the Katherine District of the Northern Territory, with Comments on Their Conservation

Cited by 7 publications

References 17 publications

Land snails associated with limestone outcrops in northern Australia - a potential bioindicator group

Land snails associated with limestone outcrops in northern Australia - a potential bioindicator group

Molecular phylogeny of the land snail family Euconulidae in Thailand and its position in the superfamily Trochomorphoidea (Stylommatophora: Limacoidei), with description of a new genus

Australian land snails: a review of ecological research and conservation approaches

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