	Authors	Year	Title
	Bogoslovskaya, Mikhailova & Shevyrev	1990	Sistema ammonoidei. [In Russian: System of the ammonoids]. In: Menner,V.V. [ed.]: Sistematika i filogeniia Bespozvonochnykh. Kriterii vydeleniia vysshikh taksonov. 69-98, 31 fig. Moskva (Nauka).