505-434 million years old
5 files, last one added on Nov 16, 2004
434-408 million years old
31 files, last one added on Nov 16, 2004
354-286 million years old
16 files, last one added on Nov 16, 2004
213-144 million years old
67 files, last one added on Nov 16, 2004
29 files, last one added on Nov 16, 2004
144-66.4 million years old
27 files, last one added on Nov 16, 2004
1 files, last one added on Aug 03, 2004
