1. Shells;Allen,1990
2. The Trilobite trackways in the Table Mountain Group (Ordovician) of South Africa;Anderson;Palaeont. Afr.,1975
3. Growth and variation in Eurypterus remipes Dekay;Andrews;Bull. Geol. Inst. Univ. Upsala,1974
4. Carboniferous eurypterids of Nebraska;Barbour;Am. J. Sci.,1914
5. Invertebrate Zoology;Barnes,1980