	Authors	Year	Title
	Klets	1993	Ammonoidei iz verkhnego karbona Severo-vostochnoi Azii. [In Russian. Ammonoidea from the Upper Carboniferous of NEE Asia]. Paleontologicheskii Zhurnal, 1993 (2): 30-35, 2 text-fig., pl.3, Moskva.