|
Shevyrev |
1965 |
Nadortyad Ammonoidea. In: Ruzhentsev,V.E. & Sarycheva,T.G. (Eds.): Razvitie i smena morskikh organizmov na Rubezhe Paleozoia i Mezozoia.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 108: 166-182, fig.9-19, pl.17-24; Moskva.
|