nautiloid

nautiloid

1. From 2003 to 2004, we collected a large amount of Nautiloid and Graptolite fossils in upper metamorphic formations of Mayigangri area and determined the age to be middle and Late Ordovician-Silurian.

2004年我们在玛依岗日一带变质岩系上部采获大量鹦鹉螺类和笔石类化石,经研究确定时代属中、晚奥陶世-志留纪.

2. "These surprising results made us wonder if nautiloid fossilsmight also have some secrets to reveal.

他们有明显的头部，眼睛很大，视力很好。

3. nautiloid fossils

鹦鹉螺化石

4. Nautiloid (fossil)

鹦鹉螺类（化石）

5. Nautiloid（new genus）；

鹦鹉螺类（新属）；