Palaeoscolex is the type genus of the Palaeoscolecid worms, and served as a wastebasket taxon. until its taxonomy was revised and many of its taxa assigned to Wronascolex.García-Bellido D.C., Paterson J.R., Edgecombe G.D. 2013. Cambrian palaeoscolecids (Cycloneuralia) from Gondwana and reappraisal of species assigned to ~Palaeoscolex~. Gondwana Res. 24:780–795.
The type and only unequivocal species is P. piscatorum, known from mid-trunk segments.Whittard W.F. 1953. ~Palaeoscolex piscatorum~ gen. et sp. nov., a worm from the Tremadocian of Shropshire. Q. J. Geol. Soc. 109:125–135.Conway Morris S. 1997. The cuticular structure of the 495-Myr-old type species of the fossil worm ~Palaeoscolex~, ~P. piscatorum~ (?Priapulida). Zool. J. Linn. Soc. 119:69–82.
References