Data from: A vicissicaudatan arthropod from the Silurian Herefordshire Lagerstätte, UK

A new arthropod, Carimersa neptuni gen. et sp. nov., is described
from the Silurian (Wenlock Series) Herefordshire Konservat-Lagerstätte,
UK. The head bears pedunculate eyes and five pairs of appendages.
Triflagellate antennae are followed by two pairs of uniramous limbs each
with an endopod bearing a pronounced gnathobasic basipod. The posterior
two pairs of head limbs and all trunk limbs bear an endopod, exopod and
filamentous exite. The trunk consists of ten appendage-bearing segments
followed by an apodous abdomen of four segments. The arthropod resolves as
sister taxon to Kodymirus and Eozetetes + Aglaspidida. It is the first
representative of Vicissicaudata reported from the Herefordshire
Lagerstätte and the first Silurian example with well preserved appendages.
The preservation of a cluster of radiolarians apparently captured by the
trunk appendages is the first direct association of predator and prey
discovered in the Herefordshire fauna and suggests that Carimersa was a
nektobenthic form that used its gnathobasic basipods in microdurophagy.