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Sur la presence d’Aselles hypoges aux Pays—Bas: Proasellus cavaticus et Proasellus hermallensis (Crustacea, Isopoda, Asellota) Naturalis
Henry, Jean-Paul.
Les Asellides signalés à ce jour aux Pays-Bas appartenaient aux deux espèces épigées communes en Europe, Asellus aquaticus et Proasellus meridianus. Aucun Aselle souterrain n’y était connu. A la suite de recherches de la faune interstitielle par l’intermédiaire de puits alimentés par les nappes phréatiques, M. le Prof. Dr. J.H. Stock et ses collaborateurs mirent en évidence dans plusieurs localités de la province du Limbourg deux espèces d’Aselles anophtalmes et dépigmentés: Proasellus cavaticus et Proasellus hermallensis. La première de ces deux formes hypogées vit dans les eaux karstiques en Belgique, mais semble capable d’envahir également, ici, les eaux phréatiques; la seconde colonise essentiellement les nappes alluviales du bassin de la Meuse.
Tipo: Article / Letter to the editor
Ano: 1974 URL: http://www.repository.naturalis.nl/record/505515
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Isopodes aselloïdes stygobies d’Espagne, III – Le genre Proasellus: B – espèces anophtalmes Naturalis
Henry, Jean-Paul; Magniez, Guy.
Stygobitic Isopoda Aselloidea from Spain, III – The genus Proasellus: B – Anophtalmous species. Study of anophtalmous and unpigmented Proasellus samples, collected in subterranean waters of Spain, mainly by J. Notenboom & I. Meijers (1983, 1984, 1985, 1986), N. Gourbault, F. Lescher-Moutoué & R. Rouch (1976, 1977, 1978) and P. van den Hurk & R. Leys (1985). Description of new species of the ‘beticus-meridianus’ group: P. malagensis n. sp. (Malaga), P. granadensis n. sp. (Granada), P. meijersae n. sp. (Albacete), P. soriensis (Soria), P. oviedensis (Oviedo), and of the ‘ortizi’ group: P. grafi (Santander), P. stocki (Santander), P. alavensis (Alava), P. navarrensis (Navarra), P. vizcayensis (Vizcaya), and P. guipuzcoensis (Guipuzcoa). The first...
Tipo: Article / Letter to the editor Palavras-chave: Asellidae; Proasellus; Biogeography; Origin of stygobionts; Spanish groundwaters.
Ano: 2003 URL: http://www.repository.naturalis.nl/record/504973
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Nouvelles données sur le genre Bragasellus (Crustacea: Isopoda: Asellidae) Naturalis
Afonso, Odette; Henry, Jean-Paul; Magniez, Guy.
From now on, the genus Bragasellus Henry & Magniez, 1968 includes 2 oculated and 17 stygobiotic species. As a natural and monophyletic taxonomic unit, we consider it a good genus. Its original area corresponds to the north-west quarter of the Iberian Peninsula. Secondarily, this area has extended eastward, using mainly the alluvial channels of hydrographic systems (Ríos Douro + Ebro and tributaries), finally reaching the underground waters of several Mediterranean rivers. This active expansion is exclusively due to the migration of two stygobiotic sibling species: B. lagari Henry & Magniez, 1973 towards the high basin of the Río Tajo, then downstream to the basins of the Ríos Jucar and Turia (Prov. Valencia); and B. lagarioides n. sp., downstream...
Tipo: Article / Letter to the editor Palavras-chave: Bragasellus; Stygobionts; Active expansion; Recent alluvial deposits; Taxonomy; New species; Zoogeography; Iberian Peninsula.
Ano: 1996 URL: http://www.repository.naturalis.nl/record/504446
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Nouvelles données sur les Asellidae épigés d’Extrême-Orient (Crustacea, Isopoda, Asellota) Naturalis
Henry, Jean-Paul; Magniez, Guy.
Numerous samples of oculate Asellus from eastern Siberia and the Japanese Islands, one from southern China, and one from Alaska, have been studied. The epigean fresh waters of this large Asiatic region generally harbour populations identified as Asellus (Asellus) hilgendorfii Bovallius, 1886, or some of its geographical forms previously considered as species, subspecies, or not yet named. The “hilgendorfii” complex seems to possess the dimension of a superspecies. A new pigmented-oculate species, Asellus (Asellus) levanidovorum is sympatric with A. (A.) hilgendorfii in the lake Bolon region (lower part of the Amur River basin) and is present also in the Sakhalin and Kunashir Islands. Its copulatory organ (endopodite of male 2nd pleopod) shows a large...
Tipo: Article / Letter to the editor Palavras-chave: Asellus (Asellus) levanidovorum n. sp.; Gen. Asellus n. def.; Sakhalin and Kunashir Islands; SEM; Structure of copulatory pleopods; Subgen. Asellus; Subgen. Arctasellus nov.
Ano: 1995 URL: http://www.repository.naturalis.nl/record/503949
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Isopodes Aselloïdes stygobies d’Espagne récoltés par J. Notenboom et I. Meijers, III — Le genre Proasellus: A — Espèces oculées ou microphtalmes Naturalis
Henry, Jean-Paul; Magniez, Guy.
Samples collected in underground waters of Spain by Ine Meijers and Jos Notenboom demonstrated the presence of some oculated asellids previously known: Proasellus coiffaiti, P. coxalis, and P. meridianus, and also four new stygophilous species, more or less depigmented, with different stages of regression of the ocular system: P. beticus n. sp., P. ortizi n. sp., P. aragonensis n. sp., and P. ebrensis n. sp. These forms represent relict populations of ancient epigean species. The anophthalmous species of the Aquitanian Basin, Pyrenees, and Iberian Peninsula are more closely related to P. beticus and P. ortizi than to the Recent epigean species P. coxalis and P. meridianus.
Tipo: Article / Letter to the editor Palavras-chave: Asellidae; Proasellus; Microphthalmous species; Origin of stygobionts; Spain.
Ano: 1992 URL: http://www.repository.naturalis.nl/record/504451
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Asellus (Asellus) monticola en Iran (Crustacea, Isopoda, Asellota, Asellidae) Naturalis
Henry, Jean-Paul; Magniez, Guy.
Asellus (Asellus) monticola monticola Birstein, 1932 has been found in a spring in the extreme NW of Iran. Amplifications of the original description of this valid species, which is clearly distinct from A. aquaticus, are given. Contrary to A. aquaticus, A. monticola appears to be strongly endemic and stenotopic; its settlement may have taken place prior to the expansion of A. aquaticus across Europe. Some reflections on the taxonomy and biogeography of the Asellidae of the Transcaucasian region are included.
Tipo: Article / Letter to the editor Palavras-chave: Aras-Koura Basin; Asellidae; Asellus monticola; Biogeography; Endemism.
Ano: 1996 URL: http://www.repository.naturalis.nl/record/505423
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Présence de synasellus (Crustacea, Isopoda, Asellidae, Stygobies) dans la Province de Huelva (Espagne) Naturalis
Henry, Jean-Paul; Magniez, Guy.
Descriptions are given of two new phreatobitic species of the genus Synasellus Braga, 1944, from Huelva Province, Andalusia, Spain. A check-list is presented of the 32 known species of the genus with their type-localities. A primary homonymy is corrected: Synasellus bragai Henry & Magniez, 1987 = Synasellus bragaianus nom. nov. Notes are made on the ecology, biogeography and evolution of the Asellidae of the Iberian peninsula.
Tipo: Article / Letter to the editor Palavras-chave: Asellidae; Synasellus; Biogeography; Ground waters; Phreatobionts; Spain.
Ano: 1995 URL: http://www.repository.naturalis.nl/record/504951
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Isopoda Asellota de Turquie récoltés en 1987. Netherlands biospeleological explorations in Turkey, 5 Naturalis
Henry, Jean-Paul; Magniez, Guy; Notenboom, Jos.
Asellus aquaticus is present in 19 of about 100 Turkish groundwater stations prospected during biospeleological explorations. All specimens of these stygophilic populations remain oculate, even though their integumental pigmentation is more or less reduced. Proasellus lykaonicus Argano & Pesce, 1978 has been found again in a second cave, nearby the type locality. A large and endemic, stygobiont species, Proasellus pisidicus n. sp., from phreatic groundwater, Vilâyet Burdur, and the minute Proasellus pamphylicus n. sp. from interstitial waters of the eastern part of Vilâyet Antalya are described. The stygobiont proasellids of Asia Minor, P. lykaonicus and P. pisidicus n. sp. belong to the same phylogenetic strain of Proasellus as those of Transcaucasia,...
Tipo: Article / Letter to the editor Palavras-chave: Isopoda; Asellus; Proasellus n. sp.; Jaera; Microparasellus sp.; Groundwaters; Taxonomy; Turkey.
Ano: 1996 URL: http://www.repository.naturalis.nl/record/503939
Registros recuperados: 8
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