- 244-245 Thompson,
Thomas L.,
Paleozoic Succession in Missouri: Part 2
Ordocician System,
Report of
Investigation No. 70, 1991,
Missouri Department of Natural...
- siphuncle, and
sutures characterized by a deep
ventral lobe.
Upper Lower Ordocician, widespread. Diastoloceras.
Lngicones with a
slight exogastric curvature...
- pygidia. Tairong, Zhang. "NEW
MATERIALS OF
TAKLAMAKANIINAE FROM THE
MIDDLE ORDOCICIAN OF XINJIANG."
Xinjiang Geology 4 (1988): 004. [1]
ZHANG WENTANG (CHANG...
- latter's. Tairong, Zhang. "NEW
MATERIALS OF
TAKLAMAKANIINAE FROM THE
MIDDLE ORDOCICIAN OF XINJIANG."
Xinjiang Geology 4 (1988): 004. [1] Zhou, Z.; Webby, B.D...
