The reports of testate amoebae species in Colombia are limited to a few studies in lentic and peat bog systems; however, the diversity in lotic systems has been poorly investigated. Zooplankton sampling was performed in lotic environments of the Piedemonte Llanero in Colombia. Ten individuals of the species Arcella gandalfi were identified to document the first record of A. gandalfi from the Piedemonte Llanero in Colombia, expanding its distribution from Brazil to Colombia. This finding corroborates the status of A. gandalfi as a flagship species from the South America continent.

中文翻译：

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来自哥伦比亚的Arcella gandalfi（Amoebozoa：Arcellinida）的新记录

在哥伦比亚，关于睾丸变形虫物种的报道仅限于一些在透镜状和泥炭沼泽系统中的研究。然而，人们对抽水系统的多样性没有进行充分的研究。浮游动物采样是在哥伦比亚Piedemonte Llanero的抽水环境中进行的。确定了十个Arcella gandalfi物种的个体，以记录来自哥伦比亚Piedemonte Llanero的A. gandalfi的第一个记录，并将其分布从巴西扩展到哥伦比亚。这一发现证实了甘达菲作为南美大陆的旗舰物种的地位。