A new 'great-appendage' arthropod from the Lower Cambrian of China and homology of chelicerate chelicerae and raptorial antero-ventral appendages
作者： JUNYUAN CHEN , DIETER WALOSZEK , ANDREAS MAAS
DOI: 10.1080/00241160410004764
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摘要: The uniramous 'great appendages' of several arthropods from the Early to Middle Cambrian are a characteristic pair of pre‐oral limbs, which served for prey capture. It has been assumed that the morphological differences between the 'great‐appendage'arthropods indicate that raptorial antero‐ventral and anteriorly pointing appendages evolved more than once in arthropod phylogeny. One set of Cambrian 'great‐appendage'arthropods has, however, very similar short antero‐ventral appendages with a peduncle of two segments …
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