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Chaetobranchus flavescens . de Chaetobranchus flavescens Steindachner org page Beitrge der Kenntniss der Chromiden des Amazonenstromes Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften MathematischNaturwissenschaftliche Classe Abth Pls Franz Steindachner other versions PDold Chaetobranchus flavescens