[Arthropoda] Siebold, 1848 - arthropods
see Phylum Arthropoda Siebold, 1848
Count: -
Arachnomorpha Heider, 1913
Count: †2f;25g
†Trilobitomorpha Størmer, 1944
see Superclass Trilobitomorpha Størmer, 1944
Count: †2f;15g
1 †Trilobita Walch, 1771 - trilobites
see Class Trilobita Walch, 1771
Count: †2g
2 †Petalopleura Hou & Bergström, 1997
see Subclass Petalopleura Hou & Bergström, 1997
Count: †3g
3 †Naraoiidae Walcott, 1912
Count: †5g
4 †Helmetiida Novozhilov, 1969
see Order Helmetiida Novozhilov, 1969
Count: †1f;5g