Abstract Endemic (range restricted or precinctive) plant species are frequently observed to exhibit polyploidy (chromosome set duplication), which can drive shifts in ecology for angiosperms, but whether endemism is generally associated with throughout the flowering plants has not been determined. We tested hypothesis that more frequent and pronounced (higher evident ploidy levels) recently evo...

Coenagrion castellani Roberts, 1948 was described from Italy as a distinct species almost 75 years ago but has generally not been recognised or treated subspecies of C. mercuriale (Charpentier, 1840). Populations south the Alps were recently shown to be completely isolated genetically those in North Africa and elsewhere Europe. As markings male appendages also allow for easy separation field, i...

Abstract The study on Silurian-Devonian conodonts from the Precordillera has shown a significant increase in last 5 years. In new conodont collections, particular specimens of Ozarkodina were obtained middle and upper parts Los Espejos Formation Talacasto region. taxonomic allows us to propose species genus Ozarkodina, named huenickeni sp. nov., which shows three different morphotypes, ?, ? ?, ...

Islands are noted for the occurrence of aberrant, endemic, and dwarfed taxa (the "island effect"). Late Cretaceous vertebrate assemblages of Romania and elsewhere in Europe are classic examples of island faunas in the fossil record, and are characterized by dwarfed herbivorous dinosaurs and other endemic taxa that are noticeably primitive relative to their mainland contemporaries. Fossils of th...

Anthyllis hermanniae subsp. brutia, is an Italian endemic shrub occurring just in one locality by the Calabrian Ionian coast southern Italy. Objective of this study to provide data on population numbers, demography and ecology, as well identify main threats long term conservation target taxon. The survey has been carried out through field census work, sampling biometric dendrometric data, apply...

The Pholcidae subfamily Smeringopinae has been revised extensively over the last decade, and most of its currently eight genera can now be placed with some confidence in phylogeny family. A notable exception endemic Seychellois genus Cenemus Saaristo, 2001. Morphologically, is mainly characterized by plesiomorphies, which resulted weakly supported unstable positions previous cladistic analyses....

We describe a new endemic densely spined Mammillaria from San Luis Potosí, Mexico. The species, named M. morentiniana, is distinctive by the presence of globose to shortly cylindric stem with several glabrous, reddish central spines, radial spines that protrude plant like white needle-bristles, and small flowers pale yellow, lanceolate tepals. compare it similar sympatric species ser. Stylothel...