On the Unnecessary and Misleading Taxon “Cetartiodactyla”

动物 亚种 生物 系统发育树 进化生物学 克莱德
作者
Donald R. Prothero,Daryl P. Domning,R. Ewan Fordyce,Scott E. Foss,Christine M. Janis,Spencer G. Lucas,Katherine Marriott,Grégoire Metais,Darren Naish,Kevin Padian,Gertrud E. Rößner,Nikos Solounias,Michelle Spaulding,Richard M. Stucky,Jessica M. Theodor,Mark D. Uhen
出处
期刊:Journal of Mammalian Evolution [Springer Nature]
卷期号:29 (1): 93-97 被引量:9
标识
DOI:10.1007/s10914-021-09572-7
摘要

The name “Cetartiodactyla” was proposed in 1997 to reflect the molecular data that suggested that Cetacea is closely related to Artiodactyla. Since then, that taxon has spread in popularity, even outside the scientific literature. However, the implications of the name are confusing, because Cetacea and Artiodactyla are not sister-taxa. Instead, the evidence clearly shows that cetaceans are a group embedded within Artiodactyla, not a sister-taxon of equal rank. It has long been accepted practice that systematists do not modify the names of higher groups when new subgroups are added to them. For example, Owen’s original concept of Artiodactyla did not change its name when more and more disparate taxa were added to it. Dinosauria did not become “Avedinosauria” when it became clear that birds are a subgroup of dinosaurs, nor did Reptilia become “Avereptilia”. In the interests of taxonomic priority and stability, and especially because the name is inherently misleading, we recommend that the name “Cetartiodactyla” be abandoned. If one wishes to make a reference to the fact that whales are now considered to be a subgroup of artiodactyls, they could be referred to informally as “whales and other artiodactyls” or “whales and terrestrial artiodactyls” without using a formal taxonomic name that is confusing and misleading.
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