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Article Reference A new karst-dwelling, colorful pitviper (Viperidae: Trimeresurus) from northern Peninsular Thailand
We describe a colorful and distinctively patterned, karst-dwelling pitviper, Trimeresurus kuiburi sp. nov., from the isolated, coastal massif of Khao Sam Roi Yot in Kui Buri District, Prachuap Khiri Khan Province, in northern Peninsular Thailand. The new species, member of the ‘Cryptelytrops group’ sensu Malhotra & Thorpe (2004) and morphologically and genetically allied to Trimeresurus kanburiensis and T. venustus, differs from all pitviper taxa by a combination of red/purple bands on a green dorsum; a white concave suborbital stripe in males (straight and less visible in females); white, spaced vertebral dots in males (absent in females); pale green belly lacking dark dots or stripe on the lateral sides of the ventrals; partially fused first supralabial and nasal scale; 19 dorsal scale rows at midbody; 164–171 ventrals; 63–65 subcaudals in males, 51–53 in females; maximal known SVL of 451 mm; and long, papillose hemipenes.
Located in Library / RBINS Staff Publications 2021
Article Reference A new kentriodontine dolphin from the Middle Miocene of Portugal
Located in Library / RBINS Staff Publications
Inproceedings Reference A new palaeobatrachidé frog from the Early Paleocene of Belgium
Palaeobatrachids are an extinct group of aquatic frogs. They occurred from the Late Cretaceous to the Pleistocene, only in Europe with the exception of one questionable species recorded in the late Maastrichtian Lance Formation of Wyoming and a second possible occurrence in the early Paleocene of Montana.Here, we describe about ninety isolated palaeobatrachid bones well-preserved in three-dimensions (maxillae, surangulars, vertebrae, urostyles, ilia and humeri) from the early Paleocene locality of Hainin (Belgium), which is the reference-level MP1-5 of the mammalian biochronological scale for the European Paleogene. These remains are clearly attributable to a single species of palaeobatrachid that presents the following typical characters: a surangular with a coronoid process bearing muscle scars on dorsal surface; a bicondylar sacro-urostylar articulation; an urostyle with a low neural crest and lacking transversal processes; a humerus with the humeral condyle in the alignment of the bone, epicondyles similar in size; an ilium presenting a large acetabular area, a short and posteriorly oriented pars ascendens, an elongate tuber superius, an horizontal depression on the inner surface of the iliac shaft and lacking the dorsal crest and the pars descendens; and procoelous vertebrae with typical crescent-like cotyle and condyle. The four known palaeobatrachid genera have all been recently synonymized with Palaeobatrachus for which at least seven species are now recognized. The taxon from Hainin differs from most Palaeobatrachus species in the absence of cubital fossa on the humerus, the presence of diapophyses on the first vertebra, and the maxilla that presents a higher number of tooth positions. It is thus referred to a new Palaeobatrachus species or a new genus depending of the definition of the genus Palaeobatrachus. Prior to this study, fragmentary remains of palaeobatrachids had been identified in the Campanian of France and Spain and in the Late Paleocene of France. The early Paleocene species from Hainin is therefore the earliest formally described species from Europe. This abstract is a contribution to the project BR/121/A3/PALEURAFRICA funded by the Belgian Science Policy Office.
Located in Library / RBINS Staff Publications
Article Reference A new porpoise (Cetacea, Odontoceti, Phocoenidae) from the Pliocene of the North Sea.
Located in Library / RBINS Staff Publications
Article Reference A new province record for Allomyrina dichotoma Linnaeus, 1771 in China Nouvelle province chinoise pour Allomyrina dichotoma Linnaeus, 1771 (Coleoptera, Scarabaeidae, Dynastinae)
Located in Library / RBINS Staff Publications
Article Reference A new record of Gunnellichnus moghraensis from the Middle Miocene of Belgium, with some remarks on the origin of this seemingly uncommon ichnospecies
Located in Library / RBINS Staff Publications 2022
Article Reference A new sandstone-dwelling leaf-toed gecko (Gekkonidae: Dixonius mekongensis) from the Thai-Lao border
We describe Dixonius mekongensis sp. nov. from sandstone formations in Khong Chiam District, Ubon Ratchathani Province, in extreme eastern Thailand along the Laotian border. The new species differs from all currently recognized Dixonius by the following combination of morphological characters and pattern: maximal known snout-vent length of 51.2 mm; 16 longitudinal rows of dorsal tubercles; 32 to 34 paravertebral scales; 22 to 24 longitudinal rows of ventral scales across the abdomen; seven precloacal pores in males, no pores in females; a marked canthal stripe; and a spotted to uniform dorsal pattern. This description brings the number of Dixonius species to 13, with six species endemic to Thailand.
Located in Library / RBINS Staff Publications 2021
Article Reference A new scincomorph lizard from the Paleocene of Belgium and the origin of the Scincoidea in Europe
Located in Library / RBINS Staff Publications
Article Reference A new species and new country records for the genus Leptobium Casey in the Palaearctic Region (Coleoptera: Staphylinidae: Paederinae)
Located in Library / RBINS collections by external author(s)
Article Reference A new species and records of Diolenius Thorell, 1870 (Araneae: Salticidae) from New Guinea
Located in Library / RBINS collections by external author(s)