Department of Neuroscience, University of Arizona, Tucson, AZ 85721, USA.
Yunnan Key Laboratory for Palaeobiology, Institute of Palaeontology, Yunnan University, Kunming, China.
Science. 2023 Jun 30;380(6652):eadg6051. doi: 10.1126/science.adg6051.
Budd . challenge the identity of neural traces reported for the Cambrian lobopodian Their argumentation is unsupported, as are objections with reference to living Onychophora that misinterpret established genomic, genetic, developmental, and neuroanatomical evidence. Instead, phylogenetic data corroborate the finding that the ancestral panarthropod head and brain is unsegmented, as in .
Budd 质疑为寒武纪有爪动物报告的神经痕迹的身份。他们的论点是没有根据的,而关于现存有爪动物的反对意见则误解了已确立的基因组、遗传学、发育和神经解剖学证据。相反,系统发育数据证实了这样一个发现,即祖代节肢动物的头部和大脑是不分节的,就像在 中一样。