土桥罗平生物群化石层剖面

Luoping Biota Fossil Beds Section in Tuqiao

罗平生物群化石层（LPB）位于中三叠统关岭组第二段（T2gl²）中下部，土桥罗平生物群化石层岩性为灰黑色泥晶灰岩，层序基本连续，岩相完整，露头好，是系统观察罗平生物群岩石、岩相、环境变化的良好地点。罗平生物群主要出现在下薄层、上薄层。该段地层还有丰富的牙形石。

The fossil beds of the Luoping Biota (LPB) are distributed in the second part of the Middle Triassic Guanling Formation, which has numerous rocks, complete sequences, and rock facies with good outcroppings. The Luoping Biota fossils were mainly from the upper and lower thin beds, and there were rich conodont fossils in the member.

图1　土桥罗平生物群化石层剖面

Fig.1 Luoping Biota Fossil Beds Section in Tuqiao