|
Glenister & Furnish |
1988 |
Terminal Progenesis in Late Paleozoic Ammonoid Families.
In: Wiedmann, J. & Kullmann, J. (Eds.), Cephalopods - Present and Past: 51-66, fig.1-3; Stuttgart.
|
|
|
Ruzhencev |
1976 |
Pozdnepermskie ammonoiei na dal'nem Vostoke.
Paleontologicheskiy Zhurnal, 1976 (3): 36-50, fig.1-5, tab.1, pl.2; Moskva.
|