Plotnikov, M. A. (1949). K poznaniyu fauny tatarskogo yarusa rr. Sukhony i Maloy Severnoy Dviny [To the knowledge of the fauna from the Tatarian Stage of the Sukhona and Malaya Severnaya Dvina rivers]. Yezhegodnik Vsesoyuznogo Paleontologicheskogo Obshchestva. 13: 91-96, pl. 10.
436875
Plotnikov, M. A.
1949
K poznaniyu fauny tatarskogo yarusa rr. Sukhony i Maloy Severnoy Dviny [To the knowledge of the fauna from the Tatarian Stage of the Sukhona and Malaya Severnaya Dvina rivers]