대상 데이터

• 1995. All materials examined are collected from the Chongho reservoir, Puan-gun, Chollabuk-do, Korea. *were examined by radiography only.
• The circumorbital bones consist of a roughly rectangular lacrimal and one or two (mainly one) infraorbital bones. The lacrimal bears a well developed articular facet at its dorsal tip and articulates with the lateral ethmoid dorsally.
• The cranium is comprised of eleven paired and five unpaired elements. The former includes the nasal, lateral ethmoid, frontal, epioccipital, pterosphenoid, sphenotic, pterotic, basisphenoid, prootic, intercalar and exoccipital bones, and the latter the vomer, median ethmoid, parasphenoid,supraoccipital and basioccipital bones.