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Trichomycterus : ウィキペディア英語版 | Trichomycterus
''Trichomycterus'' is the largest genus of pencil catfish, with over 160 species currently described. This genus is native to Central and South America. ==Taxonomy== This genus is defined by the lack of specializations found in other trichomycterids and is certainly polyphyletic.〔〔 Although known to contain many species, ''Trichomycterus'' is poorly known with many of the known species based on brief descriptions.〔 Many species have been described recently and many more are waiting to be described.〔 Some authors have tentatively defined putative monophyletic assemblages within the genus ''Trichomycterus'' based on the possession of unique morphological features.〔 The ''T. brasiliensis'' species-complex includes ''T. brasiliensis'', ''T. iheringi'', ''T. maracaya'', ''T. mimonha'', ''T. potschi'', ''T. vermiculatus'', ''T. pirabitira'' and several undescribed species apparently endemic to the main river basins draining the Brazilian Shield.〔 However, an assemblage of species from south and southeastern Brazil is also supported that includes ''T. guaraquessaba'', ''T. iheringi'', ''T. nigricans'', ''T. davisi'', ''T. stawiarski'', ''T. castroi'', ''T. triguttatum'', ''T. immaculatus'', ''T. itatiayae'', ''T. mirissumba'', ''T. zonatus'', ''T. naipi'', ''T. taboba'', ''T. papilliferus'', ''T. mboycy'', and ''T. plumbeus''.〔 ''T. aguarague'', ''T. alterus'', ''T. boylei'', ''T. ramosus'', and ''T. belensis'' also form a diagnosable species assemblage.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Trichomycterus」の詳細全文を読む
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