Khác biệt giữa bản sửa đổi của “Bọ ba thùy”

n
n (clean up)
==Liên kết ngoài==
* {{chú thích|url=http://www.trilobites.info/|title=A Guide to the Orders of Trilobite|first=Sam|last=Gon III}}. (A site with information covering trilobites from all angles. Includes many line drawings and photographs.)
* {{Britannica|605346|Trilobite (fossil subphylum)}}
*[http://www.fossilmuseum.net/Tree_of_Life/PhylumArthropoda/ClassTrilobita.htm The Virtual Fossil Museum - Class Trilobita] - Including extensive photographs organized by taxonomy and locality.
*[http://www.westernta.com/ Western Trilobite Association]
*[http://www.paleosoc.org/ The Paleontological Society]
*{{Cite EB1911|wstitle=Trilobites}}
Trilobita
 
{{Link GA|ca}}