Arthopoda 2 : Chelicerata with sections on Pycnogonida and Palaeoisopus - Stormer, Leif; Petrunkevitch, Alexander Ivanovitch 1875-1964; Hedgpeth, Joel Walker 1911-2006; Moore, Raymond Cecil n. 1892; Joint Committee on Invertebrate Paleontology (Lawrence : The Geological Society of America. Inc., 1955)
Keywords: FOSILES; ARTROPODOS; INVERTEBRADOS FOSILES