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.
Bogoslovskaya 1990 Osnovye puti razvitiya i klassifikatsiya pozdnepaleozoyskikh ammonoidey Marathonitaceae i Cyclolobaceae.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 243: 70-86, fig.1-3; Moskva.
Leonova 1981 Rannepermskie ammonoidei roda Cardiella na Pamire.
Paleontologicheskiy Zhurnal, 1981 (2): 36-47, fig.1-7, pl.2; Moskva.
Leonova & Dmitriev 1989 Rannepermskie ammonoidei Yugo-Vostochnogo Pamira.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 235: 1-198, fig.1-79, pl.1-16; Moskva.
Pavlov 1967 Permskie ammonoidei yugo-vostochnogo Pamira.
Zapiski Leningradskogo ordena Lenina i Trudy Kras. Znam. gorn. Inst. im. G.V.Plekhanova, 53 (2): 69-78, fig.1-7, pl.1-7; Leningrad.