@article {140,
	title = {Global diversity of nematodes (Nematoda) in freshwater},
	journal = {HydrobiologiaHydrobiologia},
	volume = {595},
	year = {2008},
	note = {Abebe, Eyualem Decraemer, Wilfrida De Ley, Paul},
	month = {Jan},
	pages = {67-78},
	abstract = {Despite free-living nematodes being present in all types of limnetic habitats including unfavorable conditions that exclude many other meiobenthic invertebrates, they received less attention than marine and terrestrial forms. Two-fifths of the nematode families, one-fifth of the nearly 1800 genera and only 7\% of the about 27,000 nominal species are recorded from freshwater habitats. The Dorylaimia are the most successful in freshwater habitats with nearly two-thirds of all known freshwater nematodes belonging to this subclass. Members of the subclass Enoplia are principally marine though include some exclusively freshwater taxa with extreme endemism. The subclass Chromadoria includes half of the freshwater nematode families and members of the Monhysterida and Plectida are among the most widely reported freshwater nematodes. Studies on freshwater nematodes show extreme regional bias; those from the southern hemisphere are extremely underrepresented, especially compared to European freshwater bodies. The majority of records are from a single biogeographic region. Discussion on nematode endemism is largely premature since apart from Lake Baikal, the nematofauna of ancient lakes as centers of speciation is limited and recent discoveries show high nematode abundance and diversity in cryptic freshwater bodies, underground calcrete formations and stromatolite pools potentially with a high number of new taxa.},
	isbn = {0018-8158},
	author = {Abebe, E. and Decraemer, W. and De Ley, P.}
}
@article {101,
	title = {Marine nematode taxonomy in the age of DNA: the present and future of molecular tools to assess their biodiversity},
	journal = {NematologyNematology},
	volume = {12},
	year = {2010},
	note = {Rodrigues da Silva, Neyvan Renato da Silva, Maria Cristina Genevois, Veronica Fonseca Esteves, Andre Morgado De Ley, Paul Decraemer, Wilfrida Rieger, Tania Tassinari dos Santos Correia, Maria TerezaPart 5},
	pages = {661-672},
	abstract = {Molecular taxonomy is one of the most promising yet challenging fields of biology. Molecular markers such as nuclear and mitochondrial genes are being used in a variety of studies surveying marine nematode taxa. Sequences from more than 600 species have been deposited to date in online databases. These barcode sequences are assigned to 150 nominal species from 104 genera. There are 41 species assigned to Enoplea and 109 species to Chromadorea. Morphology-based surveys are greatly limited by processing speed, while barcoding approaches for nematodes are hampered by difficulties in matching sequence data with morphology-based taxonomy. DNA barcoding is a promising approach because some genes contain variable regions that are useful to discriminate species boundaries, discover cryptic species, quantify biodiversity and analyse phylogeny. We advocate a combination of several approaches in studies of molecular taxonomy, DNA barcoding and conventional taxonomy as a necessary step to enhance the knowledge of biodiversity of marine nematodes.},
	isbn = {1388-5545},
	author = {da Silva, N. R. R. and da Silva, M. C. and Genevois, V. F. and Esteves, A. M. and De Ley, P. and Decraemer, W. and Rieger, T. T. and Correia, M. T. D.}
}
@article {70,
	title = {An integrative approach to characterize cryptic species in the <i>Thoracostoma trachygaster</i> Hope, 1967 complex (Nematoda: Leptosomatidae)},
	journal = {Zoological Journal of the Linnean SocietyZoological Journal of the Linnean Society},
	volume = {164},
	number = {1},
	year = {2012},
	note = {De Oliveira, Daniel Apolonio Silva Decraemer, Wilfrida Holovachov, Oleksander Burr, Jay De Ley, Irma Tandingan De Ley, Paul Moens, Tom Derycke, Sofie},
	month = {Jan},
	pages = {18-35},
	abstract = {Nematode diversity may seriously be underestimated when taking into account cryptic speciation. Thoracostoma trachygaster is commonly found in kelp holdfasts along the California coastline and was recently shown to consist of at least two distinct molecular clades (I and II). Here, we provide detailed morphological analysis of both clades, based on measurements taken from video vouchers of respectively eight and 16 individuals from the previous study, as well as 80 newly collected specimens from four Californian beaches. The latter were vouchered, measured, and then subjected to molecular analyses of the mitochondrial cytochrome oxidase c subunit I (COI) gene, and the ribosomal D2D3 and internal transcribed spacer (ITS) regions. This integrative approach shows that the three molecular clades are phylogenetically and morphologically distinct species, but a combination of morphological characters is needed to distinguish them. Two new species, Thoracostoma fatimae sp. nov. and Thoracostoma igniferum sp. nov., are identified and described. The spicule length of T. fatimae sp. nov. is significantly shorter than that of T. trachygaster. Thoracostoma igniferum sp. nov. can be distinguished by the irregular posterior edge of the cephalic capsule and the two internal subdorsal tropis-like projections in the wall of the cephalic capsule, which are lacking in T. fatimae sp. nov. and T. trachygaster.},
	isbn = {0024-4082},
	author = {De Oliveira, D. A. S. and Decraemer, W. and Holovachov, O. and Burr, J. and De Ley, I. T. and De Ley, P. and Moens, T. and Derycke, S.}
}
