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Based on numerical analyses of macromorphological characters, scanning electron microscopy observation of leaves and lemma micromorphology, as well as field observations, Stipa pennata subsp. ceynowae was described here as a new taxon from Poland. It differs from the most similar S. pennata subsp. pennata and S. borysthenica mainly by its longer ligules of vegetative shoots. The affinities of t...

In the present study we propose a new Catasetum taxon belonging to group of species with symmetrical and converging antennae. It was found in vegetation “terra firme” “campinarana” central Brazilian Amazon. A detailed description is given as well photograph plate comments relating distribution, habitat, phenology conservation status. compared C. rivularium barbatum which are sympatric somewhat ...

New molecular phylogenetic data and new specimens provide the basis for a revision of the family Poraniidae. We present molecular phylogenetic data for five out of 11 genera in the Poraniidae including a newly discovered taxon from the North Pacific. Bathyporania ascendens nov. gen., nov. sp., is described from Davidson Seamount (35º43'N, 122º43'W). Another newly discovered poraniid taxon, Clav...

The material of Rotundomys (Rodentia, Cricetinae) from the Late Miocene fossiliferous complex of Cerro de los Batallones (Madrid, Spain) is described and compared with all species currently placed in the genera Rotundomys and Cricetulodon. Both the morphology and size variation encompassed in the collection of specimens from Batallones suggest they belong to a single taxon different from the ot...