Results 31 to 40 of about 15,558,174 (350)

Molecular characterization and genetic relationships of seven piranha species of the genera Serrasalmus and Pygocentrus (Characiformes: Serrasalmidae) from Paraná-Paraguay, São Francisco and Tocantins River basins in Brazil [PDF]

open access: yesBrazilian Journal of Biology, 2019
Genetic and phylogenetic relationships among seven piranha species of the genera Serrasalmus and Pygocentrus from the Paraná-Paraguay, São Francisco and Tocantins River basins were evaluated in the present study by partial sequences of two mitochondrial ...
T. S. Bignotto   +6 more
doaj   +2 more sources

Species in Disguise: A New Species of Hornshark from Northern Australia (Heterodontiformes: Heterodontidae)

open access: yesDiversity, 2023
A new species of hornshark is described from northwestern Australia based on six whole specimens and a single egg case. Heterodontus marshallae n. sp. was previously considered to be conspecific with H. zebra from the Western Pacific.
William T. White   +4 more
doaj   +1 more source

The Colletotrichum gigasporum species complex [PDF]

open access: yesPersoonia - Molecular Phylogeny and Evolution of Fungi, 2014
In a preliminary analysis, 21 Colletotrichum strains with large conidia preserved in the CBS culture collection clustered with a recently described species, C. gigasporum, forming a clade distinct from other currently known Colletotrichum species complexes.
Liu, F.   +3 more
openaire   +4 more sources

A new species of Ditha (Pseudoscorpiones, Chthoniidae, Tridenchthoniinae) from the Western Ghats of India, with an identification key for the genus [PDF]

open access: yesZoosystematics and Evolution
A new species of the pseudoscorpion genus Ditha Chamberlin, 1929, is described from Kerala State, India. A detailed morphological description, diagnostic features, and illustrations of Ditha (Paraditha) shivanparaensis Jeong, Harms & Johnson, sp.
Kyung-Hoon Jeong   +2 more
doaj   +3 more sources

The saprotrophic Pleurotus ostreatus species complex: late Eocene origin in East Asia, multiple dispersal, and complex speciation

open access: yesIMA Fungus, 2020
The Pleurotus ostreatus species complex is saprotrophic and of significant economic and ecological importance. However, species delimitation has long been problematic because of phenotypic plasticity and morphological stasis.
Jing Li   +4 more
semanticscholar   +1 more source

A Taxonomic and Ecological Study of the Asilidae of Michigan [PDF]

open access: yes, 2017
Seventy-two species of Asilidae have been recorded from Michigan. An additional seven which may occur are included. Keys to subfamilies, genera and species are given. Two subfamilies and twenty-five genera are represented.
Baker, Norman T, Fischer, Roland L
core   +3 more sources

Fauna and ecological characteristics of ground beetles (Coleoptera, Carabidae) of the Nature Sanctuaries «Prichernomorskiy» and «Tuapsinskiy» (Russia)

open access: yesNature Conservation Research: Заповедная наука, 2020
The paper presents a study on the ground beetle fauna (Coleoptera) in the middle highlands of the Northwestern Caucasus within the limits of the natural sanctuaries «Tuapsinskiy» and «Prichernomorskiy», located in the Krasnodarsky Krai (Russia).
Alexander S. Bondarenko   +3 more
doaj   +1 more source

Rare coral under the genomic microscope: timing and relationships among Hawaiian Montipora [PDF]

open access: yes, 2019
Background Evolutionary patterns of scleractinian (stony) corals are difficult to infer given the existence of few diagnostic characters and pervasive phenotypic plasticity.
Belderok, Roy   +5 more
core   +1 more source

Titan cell formation is unique to Cryptococcus species complex

open access: yesVirulence, 2020
Members of the Cryptococcus species complex stand out by unique virulence factors that allowed evolutionary transition to pathogenesis. Among the factors contributing to cryptococcosis is a morphological transformation into giant (Titan) cells.
M. Dyląg   +2 more
semanticscholar   +1 more source

Cytotaxonomic study of the Chilean endemic complex Alstroemeria magnifica Herb. (Alstroemeriaceae)

open access: yesGenetics and Molecular Biology, 2018
Alstroemeria L. (Alstroemeriaceae) represents one of the most diverse genera of vascular plants in Chile. It contains approximately 54 taxa, 40 of which are endemic.
Carlos M. Baeza   +6 more
doaj   +1 more source

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