Abstract
Soft bodied worms, Mazon Creek Fauna, four phyla, Priapulida (priapulites n. gen.), Chaetognatha (Paucijaculum), Nematoda (Nemavermes) and Nemertina (Archisymplectes)
Frederick R. Schram; Pseudocoelomates and a nemertine from the Illinois Pennsylvanian. Journal of Paleontology 1973;; 47 (5): 985–989. doi:
Download citation file:
Soft bodied worms, Mazon Creek Fauna, four phyla, Priapulida (priapulites n. gen.), Chaetognatha (Paucijaculum), Nematoda (Nemavermes) and Nemertina (Archisymplectes)