ABSTRACT A well-supported genus-level classification of any group of organisms underpins downstream understanding of its evolutionary biology and enhances the role of phylogenetic diversity in guiding its conservation and management. The lorikeets (Psittaciformes: Loriini) are parrots for which genus-level systematics (phylogenetic relationships and classification) has long been unstable and unsatisfactory. Instability has manifested through frequently changing compositions of some genera (e.g. Trichoglossus and Psitteuteles). Other genera (e.g. Charmosyna, Vini) have become so large that their phenotypic heterogeneity alone at least questions whether they are monophyletic assemblages that genera should comprise. Recent molecular phylogenetic and phenotypic studies have improved the framework with which to rationalise genus-level systematics in lorikeets but some trenchant uncertainty has remained. Here we utilise published genomic data and tetrahedral analysis of plumage colour to develop a full review of the genus-level classification of lorikeets. Using existing phylogenetic relationships and a newly estimated time-calibrated tree for lorikeets, we show where paraphyletic assemblages have misled the classification of genera. We assign six species to three new genera and six other species to four previously described generic names that have been in synonymy in recent literature. Our taxonomic revision brings a new perspective informing and guiding the conservation and management of the lorikeets and their evolutionary biology.

中文翻译：

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澳洲鹦鹉的改进系统反映了它们的进化历史并确定了保护优先事项

摘要 任何生物群的良好支持的属级分类支持下游对其进化生物学的理解，并增强系统发育多样性在指导其保护和管理中的作用。澳洲鹦鹉（Psittaciformes：Loriini）是鹦鹉，其属级系统学（系统发育关系和分类）长期以来一直不稳定且不能令人满意。不稳定表现在某些属（例如 Trichoglossus 和 Psitteuteles）的成分频繁变化。其他属（例如 Charmosyna、Vini）已经变得如此之大，以至于仅凭它们的表型异质性就至少会质疑它们是否是该属应包含的单系组合。最近的分子系统发育和表型研究改进了使澳洲鹦鹉属水平系统学合理化的框架，但仍然存在一些尖锐的不确定性。在这里，我们利用已发表的基因组数据和羽毛颜色的四面体分析来全面审查澳洲鹦鹉的属级分类。使用现有的系统发育关系和新估计的澳洲鹦鹉时间校准树，我们展示了并系群组合误导了属的分类的地方。我们将六个物种分配给三个新属，将六个其他物种分配给四个先前描述的在最近文献中同义的通用名称。我们的分类学修订带来了一个新的视角，为澳洲鹦鹉及其进化生物学的保护和管理提供信息和指导。