Assertion: pterygotid eurypterid | /r/HasProperty | discrete plate
Facets:
Source sentences:
text: Following further examination of the fossil in 1986, Paul Selden could determine that Necrogammarus actually represented the fossil remains of a pterygotid eurypterid, the specimen representing the infracapitulum (a discrete plate formed by the fusion of the palpal coxae and the labrum) and its attached palp (the second pair of appendages).