Systematics and Biodiversity最新文献_第10页

New considerations of the systematics of the family Holophryidae (Protozoa, Ciliophora, Prostomatea) with a description of Holophrya paradiscolor sp. nov. and a redescription of Pelagothrix plancticola Holophryidae科系统学的新思考（原生动物、Ciliophora、Prostomatea）——附Holophrya paradiscolo sp.nov.的描述和Pelagothrix planticola的重新描述

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2022-01-27 DOI: 10.1080/14772000.2021.2012296

Limin Jiang, Congcong Wang, A. Warren, Honggang Ma, Xiaozhong Hu

{"title":"New considerations of the systematics of the family Holophryidae (Protozoa, Ciliophora, Prostomatea) with a description of Holophrya paradiscolor sp. nov. and a redescription of Pelagothrix plancticola","authors":"Limin Jiang, Congcong Wang, A. Warren, Honggang Ma, Xiaozhong Hu","doi":"10.1080/14772000.2021.2012296","DOIUrl":"https://doi.org/10.1080/14772000.2021.2012296","url":null,"abstract":"The diversity of the family Holophryidae is relatively poorly known due to a lack of studies using modern methods, the paucity of taxonomically informative characters for species circumscription, and the morphological similarity among holophryids. In the present study, two holophryid ciliates, namely Pelagothrix plancticola and Holophrya paradiscolor sp. nov., isolated from two freshwater ponds in Qingdao, China, are reported. The morphology of both species was described based on living observation and protargol staining, and their molecular phylogeny was analysed using SSU rRNA gene sequence data. Pelagothrix plancticola has never been redescribed since its establishment. Based on new data, an improved diagnosis of P. plancticola is supplied. Holophrya paradiscolor sp. nov. is distinguished by a combination of features including a single macronucleus, the absence of endosymbiotic green algae, and the presence of two types of extrusomes. Following the addition of two new sequences, the molecular phylogeny of the family Holophryidae was analysed. Finally, the information on the habitats and geographic distribution of holophryids was reviewed. http://zoobank.org/urn:lsid:zoobank.org:pub:3D2D3902-58BA-47D7-A5DE-FEA0A5163384","PeriodicalId":54437,"journal":{"name":"Systematics and Biodiversity","volume":"20 1","pages":"1 - 15"},"PeriodicalIF":1.9,"publicationDate":"2022-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41443862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Speciation process on Brazilian continental islands, with the description of a new insular lancehead of the genus Bothrops (Serpentes, Viperidae) 巴西大陆岛屿上的形态形成过程，并描述了一种新的Bothrops属岛屿矛头蛇（蛇科，毒蛇科）

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2022-01-21 DOI: 10.1080/14772000.2021.2017059

Fausto E. Barbo, W. Booker, M. Duarte, Betina Chaluppe, J. A. Portes-Junior, Francisco L. Franco, F. Grazziotin

{"title":"Speciation process on Brazilian continental islands, with the description of a new insular lancehead of the genus Bothrops (Serpentes, Viperidae)","authors":"Fausto E. Barbo, W. Booker, M. Duarte, Betina Chaluppe, J. A. Portes-Junior, Francisco L. Franco, F. Grazziotin","doi":"10.1080/14772000.2021.2017059","DOIUrl":"https://doi.org/10.1080/14772000.2021.2017059","url":null,"abstract":"Brazilian continental islands represent a natural laboratory to study speciation driven by recent phenotypic and genotypic divergence. The Bothrops jararaca species group is distributed in the Brazilian Atlantic Forest and on most of the Brazilian continental islands. The group is currently composed of the mainland common lancehead (B. jararaca) and four insular species (B. alcatraz, B. insularis, B. otavioi, and B. sazimai). Here, we evaluate mitochondrial DNA and morphological diversity of the B. jararaca species group and aim to provide additional evidence to understand insularization processes on the Brazilian coast. Our results, interpreted together with a comprehensive review of geomorphological data, provide a new conceptual framework for understanding the colonization process of the Brazilian continental islands. This framework suggests a history of multiple rounds of periodic isolation and reconnection between insular populations and their mainland relatives throughout the last 420,000 years. Furthermore, although some insular populations may have speciated prior to the last glacial maximum, other species likely diverged within the last 11,000 years. Additionally, the repeated evolution of size and dietary shift in the B. jararaca species group suggests a remarkable case of convergent adaptation. Our study provides evidence that the Bothrops from Ilha da Moela (Brazilian state of São Paulo) represents an undescribed species, presenting a distinct phenotype, and an exclusive history of isolation and adaptation. We describe this unique lancehead as a new species and we suggest it should be listed as critically endangered based on its endemicity to a small island that is severely impacted by constant and longstanding human presence. http://zoobank.org/urn:lsid:zoobank.org:pub:B1F65287-CEC4-4F9C-90D7-42314A497590","PeriodicalId":54437,"journal":{"name":"Systematics and Biodiversity","volume":" ","pages":"1 - 25"},"PeriodicalIF":1.9,"publicationDate":"2022-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45380830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Bringing Tegenaria boitanii stat. rev. back to life with a review of the Tegenaria percuriosa-complex (Araneae: Agelenidae), description of a new species and insight into their phylogenetic relationships and evolutionary history 通过对细绳蛛科细绳蛛复群(aranae: Agelenidae)的回顾，对一个新物种的描述以及对它们的系统发育关系和进化史的深入了解，使boitanii statv . revv .复活

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2022-01-11 DOI: 10.1080/14772000.2021.2012297

D. Dimitrov, Angelo Bolzern, M. Arnedo

{"title":"Bringing Tegenaria boitanii stat. rev. back to life with a review of the Tegenaria percuriosa-complex (Araneae: Agelenidae), description of a new species and insight into their phylogenetic relationships and evolutionary history","authors":"D. Dimitrov, Angelo Bolzern, M. Arnedo","doi":"10.1080/14772000.2021.2012297","DOIUrl":"https://doi.org/10.1080/14772000.2021.2012297","url":null,"abstract":"The funnel web spiders (Agelenidae) are a diverse and taxonomically challenging worldwide distributed family. The genus Tegenaria Latreille, 1804, includes more than 100 valid species, mostly circumscribed to Europe and western Asia, although some species may have been subsequently introduced to other regions by anthropogenic action. Here we revise and investigate phylogenetic relationships of a group of morphologically similar species from the south-western Black Sea region and Anatolia. We remove the species Tegenaria boitanii Brignoli, 1978 stat. rev. and Tegenaria bithyniae Brignoli, 1978 from synonymy of Tegenaria percuriosa Brignoli, 1972. Tegenaria boitanii stat. rev. is restored as a valid species, re-described and re-diagnosed, and T. bithyniae syn. nov. is placed as its junior synonym. We also provide an updated diagnosis for T. percuriosa, describe a new species, Tegenaria euxinica Dimitrov sp. nov. from the mesophilic beech forests (Fagus orientalis) in Bulgaria, and review the members of T. percuriosa complex. We provide new photographs for selected species, and a map of the updated distribution ranges of all the species in the complex. The phylogenetic position and internal structure of T. percuriosa species-complex is investigated by combining available morphological and molecular (target sequencing) data with new data from the species of interest. Finally, we propose to test in future studies the hypothesis that major climatic changes during the Miocene drove diversification of the group and imprinted its biogeography. http://zoobank.org/urn:lsid:zoobank.org:pub:08A77B59-ACFE-4C16-BBCB-BC45BE981360","PeriodicalId":54437,"journal":{"name":"Systematics and Biodiversity","volume":"20 1","pages":"1 - 18"},"PeriodicalIF":1.9,"publicationDate":"2022-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42739994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Freshwater diversity at a biogeographic edge zone: the high-mountain pea-clams of Ethiopia 生物地理边缘地带的淡水多样性:埃塞俄比亚的高山豌豆蛤

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2022-01-11 DOI: 10.1080/14772000.2021.2005706

C. Clewing, Thies Geertz, Hanane Rassam, Tamirat Hailegebriel Woldekiros, C. Albrecht

{"title":"Freshwater diversity at a biogeographic edge zone: the high-mountain pea-clams of Ethiopia","authors":"C. Clewing, Thies Geertz, Hanane Rassam, Tamirat Hailegebriel Woldekiros, C. Albrecht","doi":"10.1080/14772000.2021.2005706","DOIUrl":"https://doi.org/10.1080/14772000.2021.2005706","url":null,"abstract":"Mountain ranges are known for their particular level of biodiversity typically including a striking amount of endemism. This has been comparatively well studied for certain mountain ranges worldwide such as the Alps in Europe, the Himalayas in Asia, the Rocky Mountains in North America and the Andes in South America. Apparently, this is not the case for the mountains on the African continent and especially their freshwater fauna. One of Africa’s largest high-elevated regions is the Ethiopian Highlands. The study of freshwater molluscs might potentially allow to provide valuable insights into the interplay of environmental variation and evolutionary change. Here, we present the first genetically based study of Afromontane sphaeriid bivalves in a worldwide phylogenetic framework which allowed us to assess and describe the recent diversity and endemism as well as the fauna’s biogeographic background. Additionally, a new Ethiopian species of Sphaeriidae, Pisidium boessnecki Albrecht & Clewing sp. nov., could be discovered and is formally described here. Our study revealed a total of six sphaeriid species for the restricted study region in the Ethiopian Highlands of which the first two are most likely endemic: Pisidium boessnecki sp. nov., P. ethiopicum, P. cf. kenianum, P. cf. pirothi, P. cf. viridarium, and Pisidium sp. V. Based on the multigene phylogeny generated, we conclude that the observed diversity might have been caused by multiple independent colonization events from Africa. The zoogeographic affinities of all Ethiopian sphaeriids are related to the Afrotropics. The importance of these findings is discussed. http://zoobank.org/urn:lsid:zoobank.org:act:99C2C3A3-533B-4180-BBDD-E4E5A4D28F09","PeriodicalId":54437,"journal":{"name":"Systematics and Biodiversity","volume":" ","pages":"1 - 15"},"PeriodicalIF":1.9,"publicationDate":"2022-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44916593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Combined multigene and morphological analysis reveals lineage-specific diversification of the neotropical freshwater crabs of the genus Fredius Pretzmann, 1967 (Brachyura, Pseudothelphusidae) 结合多基因和形态分析揭示了Fredius Pretzmann属新热带淡水蟹的谱系特异性多样化(腕足目，假丝蟹科)

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2022-01-11 DOI: 10.1080/14772000.2021.2008042

F. L. Mantelatto, E. Souza-Carvalho, S.R. Araujo, C. Magalhães

引用次数: 3

Integration of morphological and molecular data reveals further unknown diversity of the Proterodiplostomidae in crocodilians. 形态学和分子数据的整合进一步揭示了鳄鱼中 Proterodiplostomidae 的未知多样性。

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2022-01-01 Epub Date: 2022-05-05 DOI: 10.1080/14772000.2022.2051212

Tyler J Achatz, Taylor P Chermak, Kerstin Junker, Vasyl V Tkach

{"title":"Integration of morphological and molecular data reveals further unknown diversity of the Proterodiplostomidae in crocodilians.","authors":"Tyler J Achatz, Taylor P Chermak, Kerstin Junker, Vasyl V Tkach","doi":"10.1080/14772000.2022.2051212","DOIUrl":"10.1080/14772000.2022.2051212","url":null,"abstract":"The Proterodiplostomidae Dubois, 1936 is a family of digeneans within the superfamily Diplostomoidea Poirier, 1886. Members of the family are distributed mostly in the tropics and subtropics, primarily in crocodilians, although some species are known from other reptiles. Despite their broad geographical distribution, the knowledge of proterodiplostomid diversity remains limited, mostly because a number of potential host species and regions of the world have not been sufficiently explored for these parasites. In this study, we use morphological and molecular data to describe four new genera (Afroproterodiplostomum gen. nov., Dungalabatrema gen. nov., Australiadiplostomum gen. nov. and Nattererodiplostomum gen. nov.) and five new species (Afroproterodiplostomum ingwenyae sp. nov., Australiadiplostomum blairi sp. nov., Dungalabatrema kostadinovae sp. nov., Dungalabatrema snyderi sp. nov. and Pseudoneodiplostomum angustus sp. nov.) of proterodiplostomids from crocodilians in Australia, South Africa and South America. Nattererodiplostomum gen. nov. has been established upon re-evaluation of the status of Proterodiplostomum medusae (Dubois, 1936) from caimans in Brazil using combined morphological and molecular evidence. Only a few previous studies provided DNA sequence data of proterodiplostomids. We generated partial 28S rDNA and cytochrome c subunit (cox1) mtDNA for three previously undescribed proterodiplostomids collected from Crocodylus spp. in Australia and South Africa. The newly generated 28S sequences were used to examine phylogenetic affinities of these taxa. All three newly sequenced proterodiplostomid species appeared in the phylogenetic tree in a strongly supported monophyletic clade comprising exclusively parasites of Crocodylus.","PeriodicalId":54437,"journal":{"name":"Systematics and Biodiversity","volume":"20 1","pages":"1-18"},"PeriodicalIF":1.9,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10035586/pdf/nihms-1840305.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9765214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Museum specimens reveal a rare new characid fish genus, helping to refine the interrelationships of the Probolodini (Characidae: Stethaprioninae) 博物馆标本揭示了一种罕见的新特征鱼属，有助于完善Probolodini(特征科:Stethaprioninae)的相互关系。

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2021-11-17 DOI: 10.1080/14772000.2021.1986167

Guilherme Frainer, F. R. Carvalho, V. A. Bertaco, L. Malabarba

引用次数: 0

Genetic diversity in the Diplosoma listerianum complex (Ascidiacea: Didemnidae) from the Western Atlantic 来自西大西洋的李斯特复合体(海鞘科:海鞘科)的遗传多样性

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2021-11-08 DOI: 10.1080/14772000.2021.1988003

R. Rocha, Joyce Ana Teixeira, R. C. D. Barros

{"title":"Genetic diversity in the Diplosoma listerianum complex (Ascidiacea: Didemnidae) from the Western Atlantic","authors":"R. Rocha, Joyce Ana Teixeira, R. C. D. Barros","doi":"10.1080/14772000.2021.1988003","DOIUrl":"https://doi.org/10.1080/14772000.2021.1988003","url":null,"abstract":"(Received 19 January 2021; revised 27 September 2021; accepted 27 September 2021) Diplosoma listerianum has been re-described with more than 40 currently invalid names, but recent data suggests that some of those names may be valid. At least four distinct clades were recently revealed by molecular analysis using mitochondrial DNA (mtDNA). Yet, very few samples were analyzed from the western Atlantic, of which none were from the extensive Brazilian coast. Here, we analyze genetic diversity in D. listerianum in light of morphological data. We sequenced 55 samples from Brazil, Panama, Mexico, and the United States and analyzed them together with published data, to test whether local populations are part of widespread, known, clades or are native species hidden within this complex. Phylogenetic analysis found eight clades, three of which were different from the ones recovered before. Former clade A was split into two larger clades: clade A1 occurs in the western Atlantic, on the Pacific side of Panama and in South Africa; clade A2 occurs worldwide, with representatives found on every continent. Species delimitation analyses (ABGD, bPTP and GMYC) found 16 MOTUs, which suggests that those large clades are very diverse and may comprise more than one species. Diversity was greatest in Panama (6 clades) and Mexico (3 clades). Larval morphological characters were examined and described here. However, for only a few of the sequenced samples could fully grown larvae be obtained and phenotypic variation was large. Thus, larval morphology could not be used to diagnose molecular clades. Diplosoma listerianum remains a species complex, with evidence of ongoing speciation, and high genetic diversity, especially in the tropical western Atlantic. Fast-growing colonies, rapid life cycles, and amenability to cultivation in the laboratory indicate that this species can be a model for studies in speciation.","PeriodicalId":54437,"journal":{"name":"Systematics and Biodiversity","volume":"19 1","pages":"1149 - 1163"},"PeriodicalIF":1.9,"publicationDate":"2021-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44513388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Three new species of spiny mice, genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Brazilian Amazonia 巴西亚马逊地区的三种新的多刺鼠，Neacomys Thomas属，1900年（啮齿目：蟋蟀科）

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2021-10-28 DOI: 10.1080/14772000.2021.1980449

T. Semedo, M. N. D. Da Silva, A. P. Carmignotto, R. Rossi

引用次数: 4

Redescription of Biacetabulum giganteum Hunter, 1929 (Cestoda: Caryophyllidea), description of two new, closely related species from suckers (Catostomidae) in North America, and a critical review of host specificity of species of Biacetabulum Hunter, 1927 《大蟾蜍猎人的重新描述》，1929年（Cestoda：石竹总科），北美吸盘虫（Catostomidae）中两个新的亲缘关系密切的物种的描述，以及对大蟾蜍猎人物种宿主特异性的批判性评论，1927年

IF 1.9 3区环境科学与生态学

Systematics and Biodiversity Pub Date : 2021-10-14 DOI: 10.1080/14772000.2021.1970649

Dalibor Uhrovič, M. Oros, F. Reyda, O. Kudlai, T. Scholz

引用次数: 2