Authors Year Title
Clifton 1942 Invertebrate faunas from the Blaine and the Dog Creek Formations of the Permian Leonard Series.
Journal of Paleontology, 16 (6): 685-699, pl.101-104; Tulsa,Oklahoma.
Glenister, Furnish & Zhou 1990 Ammonoid cephalopods from the Lower Permian of Thailand.
Journal of Paleontology, 64 (3): 479-480; Tulsa, Okla.
Lee 1981 Permian ammonoid fauna of Venezuela.
Proceedings of the Geological Society of China, 24: 75-86, fig.1-4, pl.1; T'ai-pei, Taiwan.
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.
Zhou & Liengjarern 1998 Permian Ammonoid Perrinites Fauna Associated with Fusulinids Misellina in Thailand.
Permophiles, 31: 36-37.