A new species of Oreophrynella (Anura: Bufonidae) from the Pantepui region of Guyana, with notes on O. macconnelli Boulenger, 1900

Abstract

Oreophrynella seegobini sp. nov. is described from 2088 m elevation on Maringma tepui in the Pakaraima Mountains of Guyana, at the Guyana-Brazil border. The new species is mainly distinguished from known congeners by small size, indistinct frontoparietal crests, prominent postorbital crests, prominent suborbital crests, well-developed webbing on hand and foot, dorsal skin minutely spiculate with scattered medium to large elevated tubercles, ventral skin anteriorly rugose with few flat granules, posteriorly tuberculate, blackish brown dorsal colour, and dark brownish orange ventral colour. Data on four specimens of O. macconnelli collected on the southeast slope of the tepui are provided.

Exceptional diversity of Pristimantis Landfrogs (Anura: Terraranae) on the Wokomung Massif, Guyana, with descriptions of three new species

“…A poorly explored biodiversity hotspot, the Pakaraima Mountains of west-central Guyana (Fig. 1a) has already yielded more than 25 species of frogs new to science in the first two decades of the 21 st century (Noonan & Harvey 2000, Smith & Noonan 2000, MacCulloch & Lathrop 2002, 2005, Noonan & Bonett 2003, Señaris et al 2005, Kok 2006, 2009, Kok et al 2006, 2010, 2011, 2018a, Lathrop & MacCulloch 2007, Means & Savage 2007, MacCulloch et al 2008) including an entirely new family of frogs (Heinicke et al 2009). Aligned in a southeast to northwest direction along the borders of Guyana, Brazil, and Venezuela, the Pakaraima Mountains are a line of flat-topped table mountains called tepuis.…”