期刊
ACTA PALAEONTOLOGICA POLONICA
卷 63, 期 1, 页码 105-110出版社
INST PALEOBIOLOGII PAN
DOI: 10.4202/app.00443.2017
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As part of a comprehensive examination of all radiodontans from Cambrian localities in the USA, Pates et al. (2017a, b) and Pates and Daley (2017) revised the taxonomic affinities of several described specimens. This included the reinterpretation of two putative lobopodians, one from the Wheeler Formation (Utah, USA) and one from the Valdemiedes Formation (Spain), as frontal appendages of the radiodontan genera Stanleycaris and Caryosyntrips respectively. In their comment, Gamez Vintaned and Zhuravlev (2018) disagree with these conclusions and raise three topics for discussion: (i) anatomical features they suggest support a lobopodian affinity for Mureropodia; (ii) the identity of Caryosyntrips as a radiodontan, and the assignment of certain specimens to this genus; and (iii) the nomenclatural status of Stanleycaris hirpex as an invalid taxon. For (i), we dispute that the anatomical features put forward by Gamez Vintaned and Zhuravlev (2018) are biological and conclude that a lobopodian affinity for Mureropodia is untenable. In response to (ii), we provide further evidence supporting a radiodontan affinity for Caryosyntrips, and those specimens ascribed to this genus. Finally, we concur with (iii) Stanleycaris as an invalid taxon according to the International Code on Zoological Nomenclature (ICZN), and have rectified the situation by providing a valid systematic description.
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