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Checklist for Class Trilobita Walch, 1771 (Trilobites)
and region Polk County (Texas, USA)


Class
 
Trilobita ♰
Walch, 1771
Trilobites
5
5
0
Families
Genera
Species
 
Taxom
 


List of families for Polk County (Texas)
5 Families width 0 Species
Cheiruridae Salter, 18640SpeciesTaxom
Coosellidae Palmer, 19540SpeciesTaxom
Metagnostidae Jaekel, 19090SpeciesTaxom
Asaphiscidae Raymond, 19240SpeciesTaxom
Phacopidae Hawle & Corda, 18470SpeciesTaxom


Genera for Polk County (Texas)
5 Genera with 0 Species
Cheirurus Beyrich, 1845
0SpeciesTaxom
Coosia Walcott, 1911
0SpeciesTaxom
Geragnostus Howell, 1935
0SpeciesTaxom
Maryvillia Walcott, 1916
0SpeciesTaxom
Phacops Emmrich, 1839
0SpeciesTaxom

Subnodes of Trilobita with occurrences in Polk County (Texas)
OrderAgnostida ♰
Salter, 1864
1
1
0
Family
Genus
Species

Taxom

OrderPhacopida ♰
Salter, 1864
2
2
0
Families
Genera
Species

Taxom

OrderPtychopariida ♰
Swinnerton, 1915
2
2
0
Families
Genera
Species

Taxom



Links, sources and further information
Trilobita at ps-19.org
Trilobita at trilobites.info
Trilobita at westerntrilobites.com
Trilobita at gbif.org
Trilobita at irmng.org