山东莱阳盆地中华弓鳍鱼的发现及其在地层上的意义

DISCOVERY OF FOSSIL SINAMIA SPECIES IN THE LAIYANG BASIN IN SHANDONG AND ITS STRATIGRAPHICAL SIGNIFICANCE

摘要:

Abstract:

A fossil specimen of Sinamia sp. which is in association with fossil Lycoptera sinensis was, for the first time, discovered in the yellow-green sandy shales of the upper part of the Laiyang formation in the Laiyang Basin, Shandong Prov. during the regional geological surveying in this area in 1984. This discovery is of significance of increasing the fish fossil species in the Laiyang Basin and of extending the geographical distribution of Sinamia. It provides a new criterion for the stratigraphic correlatio...