scholarly journals Three new species of the freshwater snail genus Tylomelania (Caenogastropoda: Pachychilidae) from the Malili lake system, Sulawesi, Indonesia

Zootaxa ◽  
2008 ◽  
Vol 1852 (1) ◽  
pp. 37 ◽  
Author(s):  
THOMAS VON RINTELEN ◽  
MATTHIAS GLAUBRECHT
Keyword(s):  
New Species ◽  
Taxonomic Revision ◽  
Habitat Destruction ◽  
Shell Morphology ◽  
Habitat Specialization ◽  
Morphological Data ◽  
Species Flock ◽  
Large Species ◽  
Lake System ◽  
Three New Species

The ancient Malili lake system on the Indonesian island Sulawesi hosts a large species flock of the viviparous freshwater gastropod Tylomelania. Molecular and morphological data have previously shown that this species flock resulted from three independent lake colonizations and subsequent adaptive radiations. In a recent taxonomic revision of these radiations 25 species have been recognized. Here we describe three new species from the system found during new sampling campaigns. Despite their highly distinct shell morphology, these species were previously overlooked because of their very restricted distribution range and, in one case, the very small size. Of these new species, two are endemic to a section of the Larona River, which drains the entire lake system, while the third species has only been found at one locality in central Lake Mahalona. The discovery of these species can contribute significantly to our understanding of evolution in the entire species flock, as two of the species form a basal branch of an entire clade and all show a high degree of habitat specialization. The local endemism of the Larona River species in particular makes them highly vulnerable to extinction caused by habitat destruction.

Taxonomic revision of the genus Eulimella (Gastropoda, Pyramidellidae) from Brazil, with description of three new species

Zootaxa ◽  
2011 ◽  
Vol 3063 (1) ◽  
pp. 22 ◽  
Author(s):  
ALEXANDRE DIAS PIMENTA ◽  
FRANKLIN NOEL DOS SANTOS ◽  
RICARDO SILVA ABSALÃO
Keyword(s):  
New Species ◽  
Taxonomic Status ◽  
Taxonomic Revision ◽  
Shell Morphology ◽  
Biological Information ◽  
Brazilian Coast ◽  
Similar Species ◽  
South American Species ◽  
Western Atlantic ◽  
Three New Species

A taxonomic revision of the pyramidellid genus Eulimella from Brazil was performed based on shell morphology. The holotype of Eulimella rudis Watson, 1886 is illustrated and compared to shells from the southeast Brazilian coast, this being the first confirmed record of this species after its original description. Eulimella smithii (Verrill, 1880), previously known from northern localities in the western Atlantic, is recorded from the southwestern Atlantic, along virtually the entire Brazilian coast; it is herein considered a distinct taxon from Eulimella unifasciata (Forbes, 1844), a very similar species from the eastern Atlantic, given the lack of data on development to consider an amphi-Atlantic distribution. Three new species are described: Eulimella torquata sp. nov., diagnosed by a constriction in the middle of each teleoconch whorl caused by a strong spiral furrow, producing a bilobed whorl profile; Eulimella cylindrata sp. nov., diagnosed by a large subcylindrical teleoconch; and Eulimella ejuncida sp. nov., characterized by its very slender shell, and small protoconch with only one whorl and with an “arc” shaped suture. The shells herein identified as Eulimella cf. calva from Brazil are conchologically identical to Eulimella calva Schander, 1994, from West Africa, but their taxonomic status should remain dubious because of lack of biological information to evaluate a possible amphi-Atlantic distribution pattern. All the species studied (except Eulimella ejuncida sp. nov.) have characteristic short microscopic axial threads organized in a spiral belt, varying in position and expression among species, but usually located in the middle of each teleoconch whorl or below the suture; this characteristic is also present in some species from the eastern Atlantic. Three South American species, originally or subsequently allocated in Eulimella, are herein considered as not belonging to this genus: Eulimella argentina Doello-Jurado, 1938; Eulimella bahiensis Castellanos, 1982; and Eulimella xenohyes (Melvill & Standen, 1912). The holotype of Eulimella lissa is illustrated with SEM micrographs.

Species limits and taxonomic revision of the bracteate-prostrate group of southern hemisphere forget-me-nots (Myosotis, Boraginaceae), including description of three new species endemic to New Zealand

2018 ◽  
Vol 31 (1) ◽  
pp. 48 ◽  
Author(s):  
Heidi M. Meudt ◽  
Jessica M. Prebble
Keyword(s):  
New Species ◽  
New Zealand ◽  
Southern Hemisphere ◽  
Taxonomic Revision ◽  
Species Group ◽  
Morphological Data ◽  
Future Research ◽  
Herbarium Specimens ◽  
Three New Species ◽  
Species Descriptions

A taxonomic revision of southern hemisphere bracteate-prostrate forget-me-nots (Myosotis L., Boraginaceae) is presented here. The group comprises mostly species endemic to New Zealand plus the South American Myosotis antarctica Hook.f. (also Campbell Island) and M. albiflora Hook.f. The statistical analyses of morphological data from herbarium specimens reported here support recognition of five main subgroups on the basis of habit. Excluding the M. pygmaea Colenso species group (M. antarctica, M. brevis de Lange & Barkla, M. drucei (L.B.Moore) de Lange & Barkla, M. glauca (G.Simpson & J.S.Thomson) de Lange & Barkla, and M. pygmaea), which is being treated elsewhere, 14 species are recognised in the following four remaining subgroups: (1) creeping-species group: M. matthewsii L.B.Moore, M. chaffeyorum Lehnebach, M. spatulata G.Forst., M. tenericaulis Petrie, and M. albiflora; (2) cushion-species group: M. uniflora Hook.f., M. pulvinaris Hook.f., and M. glabrescens L.B.Moore; (3) M. cheesemanii + M. colensoi species group: M. cheesemanii Petrie and M. colensoi J.F.Macbr.; and (4) M. lyallii species group: M. lyallii Hook.f. and new species M. retrorsa Meudt, Prebble & Hindmarsh-Walls. New species Myosotis umbrosa Meudt, Prebble & Thorsen and M. bryonoma Meudt, Prebble & Thorsen do not fit comfortably within these subgroups. Myosotis elderi L.B.Moore is treated as M. lyallii subsp. elderi (L.B.Moore) Meudt & Prebble. For each of the 14 species revised here, a key to species, descriptions, phenology, distributions, maps, illustrations, specimens examined and notes are provided. Some specimens examined do not fit within these species and require additional comparative studies, including with certain ebracteate-erect species, before taxonomic decisions can be made. Future research on these and other southern hemisphere Myosotis should incorporate the morphological data presented here, with additional genetic, cytological, pollen, and other data in an integrative systematic framework.

A revision of the Dwarf Geckos, genus Lygodactylus (Squamata: Gekkonidae), from Angola, with the description of three new species

Zootaxa ◽  
2020 ◽  
Vol 4853 (3) ◽  
pp. 301-352 ◽  
Author(s):  
MARIANA P. MARQUES ◽  
LUIS M. P. CERÍACO ◽  
MATTHEW D. BUEHLER ◽  
SUZANA A. BANDEIRA ◽  
JOYCE M. JANOTA ◽  
...  
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Taxonomic Revision ◽  
Molecular Data ◽  
Morphological Data ◽  
Mitochondrial Marker ◽  
Number Of Species ◽  
Voucher Specimens ◽  
Morphological And Molecular Data ◽  
Three New Species

At present the genus Lygodactylus is represented by three species in Angola confirmed by voucher specimens—L. angolensis, L. bradfieldi, and L. capensis—and two others believed to be present, but without specimens with precise localities, L. chobiensis and L. lawrencei. We present a detailed taxonomic revision of the group in Angola and describe three new species, Lygodactylus baptistai sp. nov. L. nyaneka sp. nov. and Lygodactylus tchokwe sp. nov. Phylogenetic analysis using the mitochondrial marker ND2, as well as morphological data support the recognition of the new species. In addition, data suggest that specimens historically assigned to L. capensis in Angola represent misidentifications of L. nyaneka sp. nov. and L. tchokwe sp. nov. We revisit the identity of Lygodactylus laurae, a junior synonym of L. angolensis. We also present the first confirmed record of L. lawrencei in the country, using both morphological and molecular data. The description of the new species and the revision of the taxonomic identity of the Angolan populations of the genus, raises the number of species occurring in the country to five. A key to the Angolan species is presented. 

Taxonomic revision of species of Haematoloechus Looss, 1899 (Digenea: Plagiorchioidea), with molecular phylogenetic analysis and the description of three new species from Mexico

Zootaxa ◽  
2018 ◽  
Vol 4526 (3) ◽  
pp. 251 ◽  
Author(s):  
VIRGINIA LEÓN-RÈGAGNON ◽  
JANET TOPAN
Keyword(s):  
New Species ◽  
Taxonomic Revision ◽  
Morphological Characters ◽  
Nomen Nudum ◽  
Phylogenetic Hypothesis ◽  
Molecular Phylogenetic ◽  
Phylogenetic Hypotheses ◽  
Three New Species ◽  
Host Parasite ◽  
Species Inquirendae

Lung flukes of the genus Haematoloechus Looss, 1899 are common parasites of anurans worldwide, but the taxonomy of the group has been confusing. In this taxonomic revision, 89 species of Haematoloechus (= Pneumonoeces Looss, 1902, Ostioloides Odening, 1960, Ostiolum Pratt, 1903, Skrjabinoeces Sudarikov, 1950, Neohaematoloechus Odening, 1960, Metahaematoloechus Yamaguti, 1971) are listed. Of these, 70 are considered valid, three are species inquirendae (H. legrandi Mañé–Garzón & Gil, 1959, H. latoricensis Kozák, 1968 & H. vitelloconfluentum (Rai, 1962) Saeed, Al–Barwari & Al-Harmni, 2007), one is a nomen nudum H. sudarikovi Belouss, 1962, 14 are junior synonyms and one belongs to Ostioloides. This publication also describes three new species, H. occidentalis n. sp., H. veracruzanus n. sp. and H. mexicanus n. sp., parasitizing species of Rana Linnaeus in Mexico and redescribes Haematoloechus caballeroi (Skrjabin & Antipin, 1962) Yamaguti, 1971. The phylogenetic hypotheses based on sequences of mitochondrial and ribosomal DNA of Haematoloechus spp. show that genera proposed on the basis of morphological characters are not supported. The host records for species of Haematoloechus, together with the phylogenetic hypothesis of the genus, suggest that this host-parasite association predates the ranid diversification in the Cretaceous. 

scholarly journals Revision of Diphaulacosoma Jacoby, an endemic flea beetle genus from Madagascar, with description of three new species (Coleoptera: Chrysomelidae, Galerucinae, Alticini)

2016 ◽  
Vol 48 (2) ◽  
pp. 143 ◽  
Author(s):  
Maurizio Biondi ◽  
Paola D'Alessandro
Keyword(s):  
New Species ◽  
Electron Micrographs ◽  
Flea Beetle ◽  
Taxonomic Revision ◽  
Scanning Electron Micrographs ◽  
Diagnostic Characters ◽  
New Material ◽  
Three New Species ◽  
Scanning Electron

A taxonomic revision of the flea beetle genus <em>Diphaulacosoma</em> Jacoby, endemic to Madagascar, is provided. This genus includes seven species of which three are new to science: <em>D. elegans</em> sp. n., <em>D. jenisi</em> sp. n., and <em>D. nigroscutis</em> sp. n. An updated catalogue including new material, new faunistic records, distributions, chorotypes, and ecological notes is supplied. Lectotypes for <em>Diphaulacosoma</em> <em>laevipenne</em> Jacoby, <em>D. bicolor</em> (Weise) and <em>D. scutellare</em> (Weise) are designated. Additionally, the revision comprises a key for the identification of all seven species considered, habitus photos, and microscope and scanning electron micrographs of diagnostic characters, including aedeagus and spermatheca.

scholarly journals Salticidae (Arachnida, Araneae) of Thailand: new species and records of Epeus Peckham & Peckham, 1886 and Ptocasius Simon, 1885

PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e9352
Author(s):  
Barbara Maria Patoleta ◽  
Joanna Gardzińska ◽  
Marek Żabka
Keyword(s):  
New Species ◽  
Natural History ◽  
Morphological Characters ◽  
Natural History Museum ◽  
Morphological Data ◽  
History Museum ◽  
Two New Species ◽  
New Material ◽  
Hungarian Natural History Museum ◽  
Three New Species

The study is based on new material from the collections of the Naturalis Biodiversity Centre in Leiden (RNHM) and the Hungarian Natural History Museum (HNHM) and addresses issues in two genera: Epeus Peckham & Peckham, 1886 and Ptocasius Simon, 1885 from Thailand. Both genera are of Asian/Indomalayan origin, the latter with a diversity hotspot in the subtropical valleys of the Himalayas. Based on morphological data, we propose three new species of Epeus (Epeus daiqini sp. nov. (♂♀), Epeus pallidus sp. nov. (♀), Epeus szirakii sp. nov. (♀)) and two new species of Ptacasius (Ptocasius metzneri sp. nov. (♂♀) and Ptocasius sakaerat sp. nov. (♀)). Additionally, we redescribed E. tener (Simon, 1877) and added photographs of morphological characters. The genus Ptocasius is redefined due to the inclusion of 37 species, previously included in Yaginumaella Prószyński, 1979. Relationships and distribution of both genera are discussed in reference to molecular, morphological and distributional data, published by other authors in recent years.

Morphological and phylogenetic study of the Western Atlantic Crepidula plana complex (Caenogastropoda, Calyptraeidae), with description of three new species from Brazil

Zootaxa ◽  
2006 ◽  
Vol 1112 (1) ◽  
pp. 1 ◽  
Author(s):  
LUIZ RICARDO L. SIMONE
Keyword(s):  
New Species ◽  
Morphological Data ◽  
Phylogenetic Study ◽  
Good Resolution ◽  
Western Atlantic ◽  
Informal Group ◽  
Phylogenetic Studies ◽  
History Of ◽  
Three New Species ◽  
Good Number

A detailed morphological study was performed in the following species of Crepidula: 1) C. margarita new species from Venezuela; 2) C. plana Say, 1822; 3) C. atrasolea Collin, 2000; 4) C. depressa Say, 1822, from Florida, USA; 5) C. pyguaia, new species from Santa Catarina coast, Brazil; 6) C. carioca, new species from Rio de Janeiro coast, Brazil. Additionally, five other species anatomically studied in Simone (2002) were also included: 7) C. argentina Simone, Pastorino & Penchaszadeh, 2000, from Argentina; 8) C. glauca Say, 1822, from Venezuela; 9) C. fornicata (Linné, 1758), from Mediterranean and Florida; 10) C. protea Orbigny, from S.E. Brazil; 11) C. aff. plana, here described as C. intratesta new species, from S.E. Brazil; 12) C. cachimilla Cledón Simone & Penchaszadeh, 2004, from Patagonia. The 46 characters (106 states) for these species were phylogenetically analyzed and a single cladogram was obtained (length: 93, CI: 65; RI: 64) as follows: (Crepidula cachimilla (C. argentina ((C. carioca C. pyguaia) ((C. fornicata (C. intratesta C. protea)) ((C. glauca C. margarita) (C. plana (C. atrasolea C. depressa))))))). Two outgroups were used: Bostrycapulus aculeatus (Gmelin, 1791), which most authors consider a Crepidula (operationally analyzed as part of the ingroup), and the remaining calyptraeoideans studied by the author. The monophyly of the ingroup is confirmed, supported by 25 morphological synapomorphies. Although the ingroup is fully resolved, no clades are formally named, because the phylogeny is still considered provisional. Most studied species belong to an informal group called “Crepidula plana-complex”, but it is not monophyletic, since C. fornicata, which does not belong to this complex, is part of the ingroup. This study demonstrates that detailed morphological data are useful in phylogenetic studies even at the level of closely related/sibling species, resulting in cladogram with good resolution and a good number of shared, analyzable characters. A biogeographic analysis is also performed considering the distribution of each species under the light of the obtained cladogram, a clear ascension from south to north is the main pattern of the evolutionary history of these species. Further comments on the systematics of Crepidula aplysioides Reeve and C. convexa Say is also performed.

Lost and Found: Taxonomic revision of the speckled skink (Oligosoma infrapunctatum; Reptilia; Scincidae) species complex from New Zealand reveals a potential cryptic extinction, resurrection of two species, and description of three new species

Zootaxa ◽  
2019 ◽  
Vol 4623 (3) ◽  
pp. 441-484
Author(s):  
SABINE MELZER ◽  
ROD A. HITCHMOUGH ◽  
TRENT BELL ◽  
DAVID G. CHAPPLE ◽  
GEOFF B. PATTERSON
Keyword(s):  
New Species ◽  
New Zealand ◽  
Native Species ◽  
Species Complex ◽  
Taxonomic Revision ◽  
Genetic Lineages ◽  
Lost And Found ◽  
Type Population ◽  
Single Genus ◽  
Three New Species

New Zealand has a diverse skink fauna, comprising 45 described native species, and at least 15 undescribed taxa, within the single genus Oligosoma Girard, 1857. One of the earliest described, and best known, species is the speckled skink, Oligosoma infrapunctatum (Boulenger 1887). Despite a relatively stable taxonomic history for nearly 114 years, recent molecular work has indicated that O. infrapunctatum represents a species complex, comprising numerous genetically divergent, range restricted taxa. We completed the first stage of a taxonomic revision of O. infrapunctatum, conducting a morphological re-evaluation of existing voucher material, and newly collected specimens, and generated a molecular phylogeny for the species complex. This allowed us to distinguish six species: O. infrapunctatum, two species resurrected from synonymy (O. newmani, O. robinsoni), and three new species (O. salmo sp. nov., O. albornense sp. nov. O. auroraensis sp. nov.). The name bearing type population of O. infrapunctatum has not been located again for at least 130 years: it remains to be rediscovered and may already be extinct. Two of the six species here are considered ‘Nationally Critical’ (O. albornense sp. nov., O. salmo sp. nov.) under the New Zealand Threat Classification System, the others are Nationally Vulnerable (O. auroraensis sp. nov.) and At Risk—Relict (O. newmani, O. robinsoni). Further taxonomic work will be required to determine the taxonomy of other speckled skink genetic lineages in the South Island, particularly O. aff. infrapunctatum “cobble”, O. “Hokitika”, O. “Southern North Island” and O. “Westport”. 

Taxonomic revision of Strandesia s.s. (Crustacea, Ostracoda) from four Brazilian floodplains, with the description of three new species

Zootaxa ◽  
2020 ◽  
Vol 4760 (1) ◽  
pp. 1-74
Author(s):  
VITOR GÓIS FERREIRA ◽  
JANET HIGUTI ◽  
KOEN MARTENS
Keyword(s):  
New Species ◽  
Aquatic Macrophyte ◽  
Soft Part ◽  
Taxonomic Revision ◽  
First Record ◽  
Neotropical Region ◽  
Alien Invasive Species ◽  
River Floodplains ◽  
Wide Range ◽  
Three New Species

The present paper is a contribution to the taxonomy of the genus Strandesia. Here, we describe three new species: S. thomazi nov. sp., S. galeati nov. sp. and S. nakatanii nov. sp. We also describe the male of Strandesia obtusata (Sars, 1901); this is the first record of sexual populations of a Brazilian Strandesia species. Nine other Strandesia species from the Amazon, Araguaia, Pantanal and Paraná river floodplains are redescribed. We also propose that Strandesia trichosa Roessler, 1990 is a synonym of Strandesia psittacea Sars, 1901. Most of the species analyzed here are endemic to the Neotropical region, with the exception of Strandesia bicuspis (Claus, 1892) G.W. Müller, which occurs also (as an alien invasive species) in the Palaearctic. This genus occurs in water bodies with a wide range of abiotic variables and in many different aquatic macrophyte species. The species analyzed here have a highly conservative soft part morphology, but an impressive variety of carapace shapes. 

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