Pchelintsev [= Pčelincev], V. F. (1960). Semeystvo Prospondylidae fam. nov. [Family Prospondylidae fam. nov.]. In: Eberzin, A. G. (Ed.) Osnovy Paleontologii. Spravochnik dlya paleontologov i geologov SSSR. Mollyuski — Pantsirnyye, Dvustvorchatyye, Lopatonogiye [Basic Paleontology. Reference Book for the Paleontology and Geology of the USSR. Mollusks — Chitons, bivalves, scaphopods]. Isdastelstvo Akademii Nauk SSSR, Moskva, pp. 86-87.
In: Eberzin, A. G. (Ed.) Osnovy Paleontologii. Spravochnik dlya paleontologov i geologov SSSR. Mollyuski — Pantsirnyye, Dvustvorchatyye, Lopatonogiye [Basic Paleontology. Reference Book for the Paleontology and Geology of the USSR. Mollusks — Chitons, bivalves, scaphopods]. Isdastelstvo Akademii Nauk SSSR, Moskva, pp. 86-87