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A new species of Dipsas (Squamata: Colubridae) from Guyana
(Universidad de Costa Rica, 2004)
A new species of Parakari (Ephemeroptera: Baetidae) from Guiana Highlands
(Magnolia Press, 2015-10)
The genus Parakari was described from Guiana Highlands in southeastern Venezuela by Nieto & Derka in 2011 for two species inhabiting streams draining isolated, flat-topped table mountains called tepuis. A description of a ...
Pityphyllum mercedes-abarcae (Maxillariinae) a new species from Ecuador
(Lankester Botanical Garden, University of Costa Rica, 2021)
A new species of Dipsas (Squamata: Colubridae) from GuyanaA new species of Dipsas (Squamata: Colubridae) from Guyana
(Universidad de Costa Rica, 2004)
Two new genera, ten new species and new records of Amazonian Stygnidae Simon, 1879 (Opiliones: Laniatores)
(MAGNOLIA PRESSAUCKLAND, 2012)
As a result of recent expeditions to two mountains in the Amazon basin, Tapirapeco and Pico da Neblina, two new genera of Stygnidae, Imeri g. nov. (type species Imeri lomanhungae sp. nov.) and Jime g. nov. (type species ...
Bryophyte Results From A Botanical Expedition To Serra Do Aracá, State Amazonas, Brazil: Diversity, Distribution, And Endemism
(American Bryological and Lichenological Society Inc., 2017)
Parakari a New Genus of the Family Baetidae (Insecta: Ephemeroptera) from Guyana Highlands
(Magnolia Press, 2011-08)
Baetidae is one of the most diverse families of Ephemeroptera. In South America this family now encompasses 27 genera and more than 130 species. The Guyana region is known for its extraordinary diversity and high level of ...
Pleurothallis ariana-dayanae, a new species in subsection Macrophyllae-Fasciculatae (Pleurothallidinae) from the Cordillera del Cóndor, Ecuador
(Lankester Botanical Garden, University of Costa Rica, 2022)