Was the ancestral panarthropod mouth ventral or terminal?

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It has recently been suggested that the panarthropod mouth was ancestrally terminal, based on the assumption that the ancestral tardigrade had a terminal mouth and on the observations of a terminal mouth in adults of some stem-group fossils. This is shown to be unlikely, and it is concluded that the ancestral panarthropod had a ventral mouth.
TidsskriftActa Zoologica
Sider (fra-til)152-154
Antal sider3
StatusUdgivet - 2019

ID: 209830273