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Article Reference The sea cucumber Holothuria lineata Ludwig, 1875 (Holothuroidea, Aspidochirotida, Holothuriidae) re-described from the newly found type
A re-description of the little-known holothurian species Holothuria (Lessonothuria) lineata Ludwig, 1875 is given. It is based on the single recovered type specimen and an individual recently collected on Glorioso Islands, near Madagascar. A key to separate three closely related and commonly confused species, i.e., Holothuria (Lessonothuria) pardalis Selenka, 1867, Holothuria (Lessenothuria) verrucosa Selenka, 1867 and Holothuria (Lessonothuria) insignis Ludwig, 1875, is presented.
Located in Library / RBINS Staff Publications 2019
Inproceedings Reference The small-mammal assemblage from Caverne Marie-Jeanne (Hastière-Lavaux, Belgium): environmental and climatic approach of the marine isotope stage 3 in North-Western Europe
Small mammal faunas from the Pleistocene of Belgium are not well-known. Some have been studied from the second half of the Late Pleistocene and the Early Holocene. However, only a few sites from the first half of the Late Pleistocene (Marine Isotope Stage 3, MIS 3, ca. 60-30 ka) have yielded small mammal assemblages. Among them is the Marie-Jeanne Cave that is situated in the southeast of Belgium, in the Ardennes region. It is formed in the Early Carboniferous limestone deposits above the Meuse River, near the town of Hastière-Lavaux. The excavated deposits evidenced ten different layers but only the layers 6 to 2 yieldeda large collection of faunal remains. Recent dating of the stratigraphic sequence of the Marie-Jeanne Cave shows that these layers have a chronological range pertaining to MIS 3 (about 50-40 ka BP). During the first field campaign in 1943, about 40 m3 of sedimentswereextracted recovering a large collection of disarticulated bone fragments and several plant, mollusc and archaeological remains housed at the RBINS. A first study of this material underlined the presence of 29 taxa of insectivores, bats and rodents. The recent revision of the material revealed 9897 identified specimens, corresponding to a minimum of 4980 individuals. This permitted us to add to the previous list two vole species, the steppe lemming Lagurus lagurus and the European pine vole Microtus (Terricola) subterraneus. We also undertook new paleoenvironmental and paleoclimatic reconstructions based on alternative methods from those previously used for the MIS 3 sequence of the Marie-Jeanne Cave. Our results indicate that MIS 3 is characterized by dynamic alternations of forest expansion with semiarid area expansion in accordance with the warming and cooling, respectively, of the sea-surface temperatures. It was in this context of rapid fluctuations that the terrestrial sequence of the Marie-Jeanne Cave in north-western Europe was formed. The fossiliferous layers underwent cold and dry environmental and climatic conditions. This is indicated by lower temperatures and slightly higher precipitation than today, together with an environment dominated by open woodland formations and open dry meadows. Our results are consistent with the available chronological, large-mammal, herpetofaunal, and mollusc datasets for this lower part of the sequence. They are also consistent with regional loess studies in Belgium and with previous work performed on small mammals from MIS 3 in Belgium and elsewhere in Europe. Grant Information: Generalitat de Catalunya projects, Synthesis Grants, PhD grant of the Erasmus Mundus Programme - International Doctorate in Quaternary and Prehistory.
Located in Library / RBINS Staff Publications 2017
Manual Reference The Southern Ocean observing system: Initial science and implementation strategy
Located in Library / RBINS Staff Publications
Article Reference The spatial and temporal distribution of ostracods in Lake Zwai (Ethiopia)
Located in Library / RBINS Staff Publications
Article Reference The spectral reflectance and transparency of river plume waters
Located in Library / RBINS Staff Publications
Article Reference The spider Theridion Melanostictum (Araneae, Theridiidae), a recent introduction to Galapagos
Located in Library / RBINS Staff Publications
Article Reference The spingtail catchers of the genus Neurigona (Insecta, Diptera, Dolichopodidae) in the primary forest of Bukit Timah Nature Reserve, Singapore
Located in Library / No RBINS Staff publications
Article Reference The sponges Hymeniacidon perlevis and Halichondria panicea are reservoirs of antibiotic-producing bacteria against multi-drug resistant Staphylococcus aureus
Located in Library / RBINS Staff Publications 2021
Article Reference The Spy VI child: a newly discovered Neandertal infant.
Spy cave (Jemeppe-sur-Sambre, Belgium) is reputed for the two adult Neandertal individuals discovered in situ in 1886. Recent reassessment of the Spy collections has allowed direct radiocarbon dating of these individuals. The sorting of all of the faunal collections has also led to the discovery of the remains of a Neandertal child, Spy VI. This individual is represented by two mandibular corpus fragments. The left fragment is the most complete and both sides preserve the mental foramen. Four deciduous teeth are associated with these mandibular remains: three incisors and one canine. The lower left canine (Spy 645a) conjoins with the corresponding alveolar socket in the left part of the mandible. Following extant standards, the developmental stage of the preserved teeth indicate an age at death of about one and a half years. In addition to performing a classical morphometric comparative study of the mandible and teeth,we have evaluated the dental tissue proportions using high-resolution microtomographic techniques. Our results show that Spy VI generally falls withinthe Neandertal range of variation. However, this specimen also exhibits particular traits, notably in the dental internal structural organization, whichreveals that variation in the immature Neandertal variation is larger than what was variation currently represented by the available fossil record. These observations demonstrate the need for investigating the frequency and expressionof immature Neandertal traits in fossil anterior teeth, as well as their temporal and geographic variation. Direct radiocarbon dating of the Spy VI specimen has been conducted in two different laboratories. The results of Spy VI confirm the age previously determined for the two adults, making the Spy Neandertal remains the youngest ever directly dated in northwest Europe.
Located in Library / RBINS Staff Publications
Article Reference The status of the northeastern Atlantic and Mediterranean small mussel drills of the Ocinebrina aciculata complex (Mollusca: Gastropoda: Muricidae) with the description of a new species
The northeastern Atlantic and Mediterranean small mussel drills of the Ocinebrina aciculata complex are here revised and consist of at least 3 species. The type species, Ocinebrina aciculata (Lamarck, 1822), characterized by a slender shell with rounded whorls and primary and secondary spiral cords of approximately similar size, lives throughout the northeastern Atlantic and Mediterranean Sea at depths usually ranging between 0 and 105 m. Its synonymy is here stabilized by a neotype selection for Murex corallinus Scacchi, 1836. Ocinebrina corallinoides Pallary, 1912 (=Ocinebrina buzzurroi Cecalupo and Mariani, 2008, new synonymy), characterized by a strongly elongate and weakly convex shell and primary and secondary spiral cords of approximately similar size, is endemic to the Gulf of Gabès and is here considered a distinct species, pending genetic studies. Ocinebrina reinai n. sp. is here described from the central Mediterranean Sea (where it is sympatric with O. aciculata) on the basis of morphological diagnostic features of shell (rarest presence of labral tooth, commoner presence of infrasutural apertural denticle, dark spots on the ribs and spiral sculpture with differently sized primary and secondary cords and smaller threads) and radula, confirmed by genetic data. Divergence in COI sequences with sympatric samples of O. aciculata (>7%), confirm their status as a distinct species. A comparative table reporting diagnostic features of the congeneric species of the complex and those with which the new species was previously misidentified is offered.
Located in Library / RBINS Staff Publications