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Registros recuperados: 38
Primeira ... 12 ... Última
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A catalogue of the type-specimens of Recent fishes in the Institute of Taxonomic Zoology (Zoölogisch Museum), University of Amsterdam, The Netherlands Naturalis
Nijssen, H.; Tuijl, L. van; Isbrücker, I.J.H..
This catalogue resulted from our attempts (since 1963) to accommodate and modernize the labelling of type-material of Recent fishes in the collections of the Zoölogisch Museum Amsterdam (ZMA), now named Institute of Taxonomie Zoology, University of Amsterdam. We traced 6625 type-specimens of 714 nominal species or subspecies, 228 of which are primary type-specimens (holotype, lectotype, or neotype); moreover, the collection contains one or more syntypes of 222 nominal (sub-) species. A few syntypes are presently indicated as future lectotype in the collection, awaiting publication by various specialists. Such specimens are not distinguished in this catalogue. It is possible that lectotype designations for some species have been validly published, which...
Tipo: Article / Letter to the editor
Ano: 1982 URL: http://www.repository.naturalis.nl/record/506026
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A redescription of the South American Catfish Loricariichthys maculatus (Bloch, 1794), with designation of the lectotype and restriction of its type locality (Pisces, Siluriformes, Loricariidae) Naturalis
Isbrücker, I.J.H..
The type species of the genus Loricariichthys Bleeker, 1862, Loricariichthys maculatus (Bloch, 1794), is redescribed from two syntypes, one of which is designated the lectotype. The same specimen is also designated the neotype for Plecostomus cataphracta Gronovius (ed. Gray), 1854 (non Loricaria cataphracta Linnaeus, 1758, sensu stricto). The type locality of both nominal species is restricted after a comparison to specimens recently collected from a locality in Surinam.
Tipo: Article / Letter to the editor
Ano: 1971 URL: http://www.repository.naturalis.nl/record/503968
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A review of the genus Corydoras Lacépède, 1803 (Pisces, Siluriformes, Callichthyidae) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
A review of 99 species and subspecies of the genus Corydoras is given. The primary type-material is recorded together with additional type-specimens deposited in 22 different museum collections. Two neotypes and 22 lectotypes are designated. The species are arranged in five groups: 31 species in the punctatus-group, 11 in the barbatus-group, 25 in the aeneus-group, 8 in the elegans-group, and 19 in the acutusgroup. Measurements and counts of almost all primary typespecimens are tabulated. Ill-known illustrations of type-material are included.
Tipo: Article / Letter to the editor
Ano: 1980 URL: http://www.repository.naturalis.nl/record/504333
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Aspidoras virgulatus n. sp., a plated catfish from Espírito Santo, Brazil (Pisces, Siluriformes, Callichthyidae) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
Aspidoras virgulatus, a new species of Neotropical callichthyid catfish, is described and illustrated. It originates from tributaries of Rio Doce, State of Espírito Santo, Brazil.
Tipo: Article / Letter to the editor
Ano: 1980 URL: http://www.repository.naturalis.nl/record/505516
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Brochis britskii, a new species of plated catfish from the upper Rio Paraguai System, Brazil (Pisces, Siluriformes, Callichthyidae) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
Brochis britskii n.sp. is described and illustrated, and compared with B. multiradiatus (Orcés- Villagomez, 1960). The type material originates from the upper Rio Paraguai system, Est. Mato Grosso, Brazil. A key to the species of Brochis Cope, 1871, is provided.
Tipo: Article / Letter to the editor
Ano: 1983 URL: http://www.repository.naturalis.nl/record/505444
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Chronological enumeration of nominal species and subspecies of Corydoras (Pisces, Siluriformes, Callichthyidae) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
A complete list of species and subspecies accepted as members of the genus Corydoras Lacépède, 1803, is given. They are arranged in chronological order. Invalid specific names are followed by their senior synonym. Nomina nuda are listed separately. A bibliography covering all publications containing original descriptions or proposals of new names is included.
Tipo: Article / Letter to the editor
Ano: 1979 URL: http://www.repository.naturalis.nl/record/505370
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Classification and catalogue of the mailed Loricariidae (Pisces, Siluriformes) Naturalis
Isbrücker, I.J.H..
This publication presents a catalogue of the taxa of the neotropical family Loricariidae, the mailed catfishes, including about 600 described species and 70 genera. An attempt is made to assign each species to its proper genus and to arrange the genera into an approximate phylogenetic order. Numerous new combina tions have become necessary. A new tribe, consisting of two new subtribes, and three new genera are herein established. Notes on type-material, recorded in the literature subsequent to an original description, are added. Literature references aim to include all publications containing original descriptions and proposals of new names.
Tipo: Article / Letter to the editor
Ano: 1980 URL: http://www.repository.naturalis.nl/record/506366
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Corydoras ornatus, a new species of callichthyid catfish from the Rio Tapajós Drainage, Brazil (Pisces, Siluriformes, Callichthyidae) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
A new species of the neotropical callichthyid catfish genus Corydoras Lacépède, 1803, C. ornatus, is described and figured. It is compared with Corydoras pulcher Isbrücker & Nijssen, 1973, a closely related species.
Tipo: Article / Letter to the editor
Ano: 1976 URL: http://www.repository.naturalis.nl/record/505452
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Dentectus barbarmatus, a new genus and species of mailed catfish from the Orinoco Basin of Venezuela (Pisces, Siluriformes, Loricariidae) Naturalis
Martin Salazar, F.J.; Isbrücker, I.J.H.; Nijssen, H..
Dentectus barbarmatus, a new genus and species of mailed catfish of the subfamily Loricariinae, tribe Loricariini, is described from tributaries of the northern margin of the Orinoco River in Venezuela. Morphometric and meristic data of several specimens are presented and illustrations are given. The relationships of the new genus with other genera of the tribe are discussed. It is assigned to the subtribe Planiloricariina, together with Pseudohemiodon Bleeker, 1862, Rhadinoloricaria Isbrücker & Nijssen, 1974, Crossoloricaria Isbrücker, 1979, and Planiloricaria Isbrücker, 1971.
Tipo: Article / Letter to the editor
Ano: 1982 URL: http://www.repository.naturalis.nl/record/504740
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Description of Poecilia (Acanthophacelus) wingei n. sp. from the Paría Peninsula, Venezuela, including notes on Acanthophacelus Eigenmann, 1907 and other subgenera of Poecilia Bloch and Schneider, 1801 (Teleostei, Cyprinodontiformes, Poeciliidae) Naturalis
Poeser, F.N.; Kempkes, M.; Isbrücker, I.J.H..
The taxonomy of the common guppy, Poecilia reticulata Peters, 1859, is reviewed and the closely related Campoma guppy, P. wingei n. sp., is described. Formerly, the common guppy was not judged to be closely related to any other species of Poecilia, but the new species is the second species to be allocated in the subgenus Acanthophacelus Eigenmann, 1907. The recognition of P. wingei results from observed character displacement, i.e., on the interaction between two closely related species in a shared environment. In addition to differences in coloration, behaviour also indicates specific differences. The area in which P. wingei occurs, the Campoma region at the base of the Paría Peninsula in Venezuela, hints to an origin of the subgenus Acanthophacelus prior...
Tipo: Article / Letter to the editor Palavras-chave: Guppies; Poecilia reticulata; P. wingei; Melanophore patterns; Character displacement; Paría Peninsula; Despeciation; 42.81.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/214343
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Gymnotus carapo and G. anguillaris (syn.: G. coropinae), two often confused species of gymnotid fishes (Pisces, Cypriniformes) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
The species Gymnolus anguillaris Hoedeman, 1962 has been collected all over Surinam. The authors suggest the possibility that G. anguillaris is widely distributed in South America, because it is hitherto confused with the closely related G. carapo Linnaeus, 1758. Besides it is proved that G. coropinae Hoedeman, 1962 has to be regarded as a synonym of G. anguillaris.
Tipo: Article / Letter to the editor
Ano: 1968 URL: http://www.repository.naturalis.nl/record/504834
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Hypostomus nematopterus, a new species of mailed catfish from the Oyapock River system, French Guiana (Pisces, Siluriformes, Loricariidae) Naturalis
Isbrücker, I.J.H.; Nijssen, H..
Hypostomus nematopterus n.sp. is described (and illustrated) from the Oyapock river system, French Guiana. The relationship of this species with Hypostomus gymnorhynchus (Norman, 1926) is discussed.
Tipo: Article / Letter to the editor
Ano: 1984 URL: http://www.repository.naturalis.nl/record/505556
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Lasiancistrus scolymus, a new species of mailed catfish from Rio Aripuanã, Est. Mato Grosso do Sul, Brazil (Pisces, Siluriformes, Loricariidae) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
Lasiancistrus scolymus n. sp. is described and illustrated, based upon the holotype from Rio Aripuanã, Rio Madeira system, Est. Mato Grosso do Sul, Brazil. It is compared with Lasiancistrus heteracanthus (Günther, 1869), type-species of the genus Lasiancistrus Regan, 1904.
Tipo: Article / Letter to the editor
Ano: 1985 URL: http://www.repository.naturalis.nl/record/504465
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Lepidarchus adonis signifer, a new subspecies of characoid fish from Liberia (Pisces, Cypriniformes, Characidae) Naturalis
Isbrücker, I.J.H..
Description of a new subspecies of Lepidarchus adonis, L. a. signifer, from Liberia, differing mainly in its colour pattern from the nominal subspecies from Ghana.
Tipo: Article / Letter to the editor
Ano: 1970 URL: http://www.repository.naturalis.nl/record/505051
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New data on Metaloricaria paucidens from French Guiana and Surinam (Pisces, Siluriformes, Loricariidae) Naturalis
Isbrücker, I.J.H.; Nijssen, H..
A large number of previously unrecorded specimens of mailed catfishes of the genus Metaloricaria Isbrücker, 1975 (Loricariinae, tribe Harttiini, subtribe Metaloricariina) is compared with the known specimens from French Guiana and Surinam. This results in the recognition of two subspecies, viz., M. paucidens paucidens Isbrücker, 1975, from the rivers Oyapock and Maroni (French Guiana, Surinam), and M. p. nijsseni (Boeseman, 1976) from the rivers Suriname, Saramacca, Nickerie and Corantijn (Surinam). These subspecies were originally described as two different species, even within two different genera: Metaloricaria paucidens Isbrücker, 1975, and Harttia nijsseni Boeseman, 1976. Morphometric and meristic data, together with illustrations are given of the two...
Tipo: Article / Letter to the editor
Ano: 1982 URL: http://www.repository.naturalis.nl/record/504255
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New records of the mailed catfish Planiloricaria cryptodon from the upper Amazon in Peru, Brazil and Bolivia, with a key to the genera of the Planiloricariina Naturalis
Isbrücker, I.J.H.; Nijssen, H..
The mailed catfish Planiloricaria cryptodon (Isbrücker, 1971) was hitherto only known from the holotype from Río Ucayali, Peru. New material from Rio Purus (Est. Acre, Brazil) and from Río Mamoré (Prov. Beni, Bolivia) is described and compared with the holotype. One of the new specimens is illustrated. A key to the genera of the subtribe Planiloricariina (tribe Loricariini of the subfamily Loricariinae) is added.
Tipo: Article / Letter to the editor
Ano: 1986 URL: http://www.repository.naturalis.nl/record/504674
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Notes on the Guiane species of Corydoras Lacépède, 1803, with descriptions of seven new species and designation of a neotype for Corydoras punctatus (Bloch, 1794) — (Pisces, Cypriniformes, Callichthyidae) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
The present paper deals with the species Corydoras punctatus (Bloch, I794), for which a neotype is designated; C. melanistius Regan, 1912, C. spilurus Norman, 1926, and C. griseus deweyeri Meinken, 1957, for which lectotypes are designated; С. aeneus (Gill, 1858), C. potaroensis Myers, 1927, C. bondi Gosline, 1940, С. osteocarus Böhlke, 1951, C. bicolor nov. spec., C. boesemani nov. spec., C. dubius nov. spec., C. oxyrhynchus nov. spec., C. nanus nov. spec., C. sanchesi nov. spec., and C. wotroi nov. spec.
Tipo: Article / Letter to the editor Palavras-chave: 42.81.
Ano: 1967 URL: http://www.repository.naturalis.nl/record/319319
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On Hemiodontichthys acipenserinus and Reganella depressa, two remarkable Mailed Catfishes from South America (Pisces, Siluriformes, Loricariidae) Naturalis
Isbrücker, I.J.H.; Nijssen, H..
Hemiodontichthys acipenserinus (Kner, 1854) is redescribed and figured after examination of 132 specimens from the Rio Amazonas, Essequibo River, and Rio Paraguai systems, including five syntypes, from which the lectotype is selected. Reganella depressa (Kner, 1854) is redescribed and figured after examination of 7 specimens from the Rio Amazonas system, including two syntypes, from which the lectotype is selected. Relationships of the monotypic genera Hemiodontichthys Bleeker, 1862, and Reganella Eigenmann, 1905 with other genera are briefly discussed.
Tipo: Article / Letter to the editor
Ano: 1974 URL: http://www.repository.naturalis.nl/record/505200
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On Hypopygus lepturus, a little known dwarf gymnotid fish from South America (Pisces, Cypriniformes, Gymnotoidei) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
Hypopygus lepturus Hoedeman, 1062, was hitherto known from the holotype and one paratype only, both imported aquarium specimens. In this paper the type locality of the species is restricted. Additional distributional data from Surinam are given, together with records on the occurrence of H. lepturus in Guyana, Venezuela, Colombia, Brazil, and on the very likely occurrence in Peru. Comparative notes on Steatogenys elegans (Steindachner, 1880) sensu Boulenger, 1898, are added because of the similar appearance of both species. The synonymy of Tateichthys duidae La Monte, 1929, with Steatogenys elegans is established.
Tipo: Article / Letter to the editor Palavras-chave: 42.81.
Ano: 1972 URL: http://www.repository.naturalis.nl/record/317964
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On the identity of Corydoras nattereri Steindachner, 1877 with the description of a new species, Corydoras prionotos (Pisces, Siluriformes, Callichthyidae) Naturalis
Nijssen, H.; Isbrücker, I.J.H..
A redescription and figures of Corydoras nattereri Steindachner, 1877, are given together with a description and figures of a new species, Corydoras prionotos, sympatric with Corydoras nattereri, with comparable dimensions and a similar colour pattern. A total of 1066 specimens were examined, including primary type-material of Corydoras juquiaae Von Ihering, 1907, and of Corydoras nattereri triseriatus Von Ihering, 1911, which are both placed in synonymy of C. nattereri, the holotype of which is lost. A neotype for Corydoras nattereri is designated. Corydoras prionotos differs from C. nattereri mainly in having the medial border of the pectoral-fin spine strongly serrate.
Tipo: Article / Letter to the editor
Ano: 1980 URL: http://www.repository.naturalis.nl/record/505183
Registros recuperados: 38
Primeira ... 12 ... Última
 

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