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Taxonomy
Scopus
ISSN 2673-6500 · MDPI AG · 264 articles in the index
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Taxonomy, Taxa Richness, and Distribution of the Tribes Desmodieae, Millettieae, Psoraleeae, Robinieae, Sesbanieae, Sophoreae, and Trifolieae (Fabaceae) in Northeastern Mexico
Background: Although there is a compendium of species diversity for the Flora of North America, including the Fabaceae, many legume species were excluded. Therefore, this study fills this information gap and updates the systematics and nomenclature of this group in accordance with the new changes…
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Description of Two Novel Coccoid Cyanobacterial Species, Aliterella oplontina and Aliterella pliniana, from the Archeological Site of Oplontis (Naples, Italy)
The cyanobacterial genus Aliterella (Chroococcidiopsidales) comprises coccoid taxa with a broad geographic and ecological distribution, occurring in habitats ranging from polar environments to arid deserts and tropical regions. In this study, we describe two novel species isolated from phototrophic…
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Taxonomy in the 21st Century: Celebrating a New Chapter—First Impact Factor Received
The field of taxonomy is undergoing a profound renaissance, driven by the integration of classic morphological descriptions with modern genomic, bioinformatic, and ecological tools [...]
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Taxonomy Takes Time: Shortcuts to Synonymy
Taxonomy is the foundation of biology, providing the currency (species) for biological studies and the handle (epithet) to refer to them. The task at hand is urgent: a race against extinction as most species remain undescribed and expertise declines. In response, various ‘rapid taxonomy’ approaches…
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A Riverine Species Flock? A Remarkably High Diversity of Endemic Fossorial Catfishes, Genus Cambeva (Siluriformes: Trichomycteridae), in a Small Mountain Drainage of Southern Brazil
A field inventory in the Rio Chapecó drainage, southern Brazil, about 11,120 km2, revealed an unexpected diversity of endemic small fossorial catfishes, genus Cambeva, comprising 2 species recently described and 11 undescribed. They were found in different habitats, including sediment types and…
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Fourteen New Species of the genieri Species Group, Subgenus Deltochilum (Deltohyboma) Lane, 1946 (Coleoptera: Scarabaeidae: Scarabaeinae)
The genieri species group of the Neotropical genus Deltochilum Eschscholtz, 1822 (subgenus D. Deltohyboma Lane, 1946) is studied. Based on the morphological analysis of 729 specimens, fourteen new species are described: D. cryptoporum sp. nov., D. oxapampa sp. nov., D. acraspedum sp. nov., D. ai…
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Correction: Klimov et al. Phylogeny and Systematics of Astigmata with Description of Lycoglyphidae fam. nov. and a Comprehensive Identification Key to Acaroidea. Taxonomy 2026, 6, 18
Error in Figure Legends [...]
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Resolving the Orthoflavivirus encephalitidis Paraphyly by Species Splitting
Our communication summarizes the recent changes in the paraphyletic species Orthoflavivirus encephalitidis. The paraphyly arises due to louping-ill virus (LIV), which is genetically closer to the European subtype of tick-borne encephalitis virus (TBEV). To maintain a concept of monophyly, we have…
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First Mexican Records of Seven Soil Penicillium and Talaromyces Species with Insights into Their Biotechnological Potential
Penicillium and Talaromyces are among the most diverse genera of filamentous fungi and play important ecological roles in soil ecosystems. Despite their ecological and biotechnological relevance, the diversity of these genera remains insufficiently documented in many tropical regions of Mexico…
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Re-Evaluation of Compsemys and North American Compsemydids (Testudinata)
Compsemys is an enigmatic turtle first described over 160 years ago. Its taxonomic position has been uncertain, as many of the species placed in the genus have since been removed from it. For the last 30+ years, Compsemys victa has been the only recognized North American fossil species. New fossil…
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Hidden in the Shadows: Grunagryllus, a New Genus of Paragryllina (Orthoptera: Phalangopsidae) Reveals the First Occurrence of the Subtribe in the Brazilian Semiarid
Paragryllina currently comprises more than 30 species of predominantly dendrophilous crickets, all previously recorded exclusively from tropical rainforests environments. Over the past three decades, the taxonomy of this subtribe has undergone successive reevaluations, highlighting the need for…
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Phylogenetic Relationships of Troglonectes (Cypriniformes, Nemacheilidae), with Description of Two New Species
Troglonectes is an endemic cavefish genus of Nemacheilidae, mainly distributed in Guangxi and Guizhou, China. In April 2025, ten specimens of Troglonectes were collected from a subterranean stream of a Liujiang River tributary in Jinchengjiang District, Hechi City, Guangxi. Based on morphological…
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A Survey of Keys Associated with the Description of New Animal Genera
Identification keys are important aspects of taxonomic research, but their quality varies substantially. I surveyed all the keys associated with the description of new non-insect animal genera that were available to me (through online and library resources or emailed pdfs received upon request from…
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Integrative Taxonomic Evidence Supports a New Genus of Schizopygopsinae and a Redefinition of the Genus Gymnodiptychus (Cypriniformes, Cyprinidae)
Gymnodiptychus Herzenstein, 1892, a genus of the subfamily Schizopygopsinae, currently comprises three valid species: Gymnodiptychus dybowskii, Gymnodiptychus pachycheilus, and Gymnodiptychus integrigymnatus. Previous molecular phylogenetic studies have suggested that the genus is not monophyletic…
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Cytogenetics Study of Habenaria janellehayneana Choltco, B.Moloney & Yong, H. rhodocheila Hance and Nervilia khaoyaica Suddee, Watthana & S.W.Gale, Rare Species of Family Orchidaceae from Thailand
This study presents a cytogenetic and comparative analysis of three rare terrestrial orchid species from Thailand: Habenaria janellehayneana, H. rhodocheila, and Nervilia khaoyaica. Somatic chromosome numbers, karyotype structures, and chromosomal morphology were investigated using conventional…
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Reformulation of the Foundations of Taxonomy Using Evolutionary Mechanics
Macroevolutionary analysis evaluating structural monophyly as descent with modification allows recasting of taxa in terms of physics as evolutionary mechanics. There are four natural ranks, as generalized taxa: the species, genus, lineage, and metalineage, each with distinctive evolutionary…
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Nymphal Development, Morphology and Life History of the Madeiran Endemic Planthoppers Cyphopterum retusum and C. fauveli (Hemiptera: Flatidae): Taxonomic and Conservation Implications
The Macaronesian archipelagos harbor a highly endemic fauna of the flatid genus Cyphopterum Melichar, 1905, characterized by pronounced insular diversification. Despite approximately 80% of its species being unique to the region, the morphology and biology of their immature stages remain virtually…
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Two New Species of Lonchaeidae (Diptera: Schizophora) from Guadeloupe
Two new species of Lonchaeidae in the genus Lonchaea, namely Lonchaea desirade sp. nov. and Lonchaea minutissima sp. nov., are described from the island of Guadeloupe in the Lesser Antilles, an island group in the southern Caribbean Sea. The genitalia of the new species are figured, and comparison…
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Lecithoceridae (Lepidoptera: Gelechioidea) from the Nimba Mountains, Bordering Liberia and Guinea, Part II: The Subfamily Lecithocerinae
Two new species of the subfamily Lecithocerinae (Gelechioidea, Lecithoceridae); Notioseus liberianus Park & Karisch, sp. nov. and Lecithocera maruana Park & Karisch, sp. nov., are described from the Nimba Mountains, bordering Guinea and Liberia. At the same time, Dragmatucha flavoaurea Park &…
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When Genetics Meets Ecology: Genomics and Taxonomy of Vitis Species and Cultivars
Knowledge of the biology of the genus Vitis has undergone a profound transformation, evolving from the morphological descriptions of classical ampelography to the high-resolution analyses enabled by modern phylogenomics. This review explores the “Paradox of the Vine”—the remarkable phenotypic…