Reference health
First Cytogenetic Description of <i>Microsternarchus bilineatus</i> (Gymnotiformes: Hypopomidae) from Negro River (Brazilian Amazon)
33/33 checkable references clean · checked 2026-07-22
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
8 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 33 checked references that resolve
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<i>Procerusternarchus pixuna</i>, a new genus and species of electric knifefish (Gymnotiformes: Hypopomidae, Microsternarchini) from the Negro River, South America
resolves10.1635/053.164.0113
A new species of electric knifefish from the rio Negro, Amazon basin (Gymnotiformes: Hypopomidae, Microsternarchini)
resolves10.1007/0-387-28275-0_13
Diversity and Phylogeny of Neotropical Electric Fishes (Gymnotiformes)
resolves10.1111/zsc.12035
<i>Akawaio penak</i>, a new genus and species of <scp>N</scp>eotropical electric fish (<scp>G</scp>ymnotiformes, <scp>H</scp>ypopomidae) endemic to the upper <scp>M</scp>azaruni <scp>R</scp>iver in the <scp>G</scp>uiana <scp>S</scp>hield
resolves10.1007/s004120050428
Sex chromosome evolution in fish: the formation of the neo-Y chromosome in Eigenmannia (Gymnotiformes)
resolves10.3897/compcytogen.v6i1.1752
First record of supernumerary (B) chromosomes in electric fish (Gymnotiformes) and the karyotype structure of three species of the same order from the upper Paraná River basin
resolves10.3897/compcytogen.v7i4.4366
Karyotypic similarities between two species of Rhamphichthys (Rhamphichthyidae, Gymnotiformes) from the Amazon basin
resolves10.1007/s11160-010-9196-0
Chromosomal characterization of two species of genus Steatogenys (Gymnotiformes: Rhamphichthyoidea: Steatogenini) from the Amazon basin: sex chromosomes and correlations with Gymnotiformes phylogeny
resolves10.1590/S1415-4757382220140189
X1X1X2X2/X1X2Y sex chromosome systems in the Neotropical Gymnotiformes electric fish of the genus Brachyhypopomus
resolves10.1007/s10641-005-2144-5
An X1X1X2X2/X1X2Y multiple sex chromosome system in a new speciesof the genus Gymnotus (Pisces, Gymnotiformes)
resolves10.1590/S1415-47572014005000018
Chromosomal diversity in three species of electric fish (Apteronotidae, Gymnotiformes) from the Amazon Basin
resolves10.1111/j.1095-8649.1990.tb05889.x
Improved methods for working with fish chromosomes with a review of metaphase chromosome banding
resolves10.1007/BF01953855
Controlled silver-staining of nucleolus organizer regions with a protective colloidal developer: a 1-step method
resolves10.1016/0014-4827(72)90558-7
A simple technique for demonstrating centromeric heterochromatin
resolves10.1111/j.1095-8649.2010.02550.x
Variability of 18S rDNA locus among <i>Symphysodon</i> fishes: chromosomal rearrangements
resolves10.1023/A:1009216030316
Chromosomal Localization of 5S rDNA Genes in Leporinus Fish (Anostomidae, Characiformes)
resolves10.1093/nar/19.17.4780
Improved telomere detection using a telomere repeat probe (TTAGGG)<sub>n</sub>generated by PCR
resolves10.1073/pnas.83.9.2934
Cytogenetic analysis using quantitative, high-sensitivity, fluorescence hybridization.
resolves10.1016/j.ympev.2015.11.007
Model-based total evidence phylogeny of Neotropical electric knifefishes (Teleostei, Gymnotiformes)
resolves10.1590/1982-0224-20140160
Karyotypic and morphological divergence between two cryptic species of Eigenmannia in the Amazon basin with a new occurrence of XX/XY sex chromosomes (Gymnotiformes: Sternopygidae)
resolves10.1371/journal.pone.0055608
Are NORs Always Located on Homeologous Chromosomes? A FISH Investigation with rDNA and Whole Chromosome Probes in Gymnotus Fishes (Gymnotiformes)
resolves10.1080/00087114.1998.10797414
High intraspecific karyological conservation in four species of<i>Gymnotus</i>(Pisces: Gymnotiformes) from Southeastern Brazilian basins
resolves10.1080/00087114.2001.10589210
A molecular phylogenetic analysis in <i>Gymnotus</i> species (Pisces: Gymnotiformes) with inferences on chromosome evolution
resolves10.1111/j.1095-8649.2007.01365.x
Cytogenetic analysis of three sympatric <i>Gymnotus</i> (Gymnotiformes, Gymnotidae) species verifies invasive species in the Upper Paraná River basin, Brazil
resolves10.1016/j.micron.2012.11.008
Comparative chromosomal mapping in Triportheus fish species. Analysis of synteny between ribosomal genes
resolves10.1007/s10577-015-9490-8
Transposable elements and early evolution of sex chromosomes in fish
resolves10.1080/00087114.1993.10797253
Distribution of sex chromosome mechanisms in neotropical fish and description of a ZZ/ZW system in<i>Parodon hilarii</i>(Parodontidae)
resolves10.1038/hdy.2010.18
Initial steps in XY chromosome differentiation in Hoplias malabaricus and the origin of an X1X2Y sex chromosome system in this fish group
resolves10.1023/A:1017546601065
Accentuated polymorphism of heterochromatin and nucleolar organizer regions in Astyanax scabripinnis (Pisces, Characidae): tools for understanding karyotypic evolution
The 8 references without a DOI — listed, not checked
no DOI — not checkedFernández-Yépez A. Contribución al conocimiento de los peces Gymnotiformes. Evencias, 1968; 20:1–7.
no DOI — not checkedSullivan JP. A Phylogenetic Study of the Neotropical Hypopomid eletric fishes (Gymnotiformes: Rhamphichthyoidea). Ph.D. Dissertation Duke University Durham 336 pp 1997.
no DOI — not checkedNogueira A. Diversidade do repertório eletrocomunicativo de Microsternarchus cf. bilineatus Fernández–Yépez 1968 (Pisces: Gymnotiformes) durante a maturação sexual em cativeiro. Master Dissertation. Amazonas Federal University and National Institute of Amazon Research 2006.
no DOI — not checkedMaia CR, , Alves-Gomes JA: Utilização do Código de Barras de DNA na estimativa da diversidade de peixes elétricos do gênero Microsternarchus (Ostariophysi: Gymnotiformes) na bacia do Rio Negro. In: Desvendando as fronteiras do conhecimento na região amazônica do Alto Rio Negro. Souza LAG, and Castellón EG (eds), pp. 185–201, 1st edition, Instituto Nacional de Pesquisas da Amazônia, Manaus-AM, Brazil, 2012.
no DOI — not checkedAlves-Gomes JA, , Ortí G, , Haygood M, , Heiligenberg W, , Meyer A. Phylogenetic analysis of the south american electric fishes (Order Gymnotiformes) and the evolution of their electrogenic system: a synthesis based on morphology, electrophysiology, and mitochondrial sequence data. Mol Biol Evol, 1995; 12:298–318.
no DOI — not checkedMaia CR. Diferenciação genética e relações filogenéticas entre as linhagens de Microsternarchus (Gymnotiformes: Hypopomidae) na bacia do Rio Negro em função de marcadores moleculares mitocondriais e nucleares. Master Dissertation. Amazonas Federal University and National Institute of Amazon Research 2011.
no DOI — not checkedAlmeida-Toledo LF. Contribuição à Citogenética dos Gymnotoidae (Pisces Ostariophysis). Doctoral Thesis Instituto de Biociências Universidade de São Paulo São Paulo 128 pp 1978.
no DOI — not checkedMartins C, , Wasko AP: Organization and evolution of 5S ribosomal DNA in fish genome. In: Focus on Genome Research. Williams CR (eds), pp. 289–318, Nova Science Publishers, Houppauge, NY, 2004.
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