	Authors	Year	Title
	Bogoslovskaya	1978	Sistematika i filogeniya semeiystv Marathonitidae i Vidrioceratidae (Ammonoidea). Paleontologicheskiy Zhurnal, 1978 (1): 53-68, fig.1-7, pl.5; Moskva.
	Ruzhencev	1978	Assel'skie ammonoidei na Pamire. Paleontologicheskiy Zhurnal, 1978 (1): 36-52, fig.1-13, pl.3,4; Moskva.