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Checklist for Family
Diceratocephalidae
Lu, 1954
and region
USA
(North America)
Class
Trilobita
♰
Walch, 1771
Trilobites
163
1368
3036
Families
Genera
Species
Taxom
Order
Ptychopariida
♰
Swinnerton, 1915
37
321
847
Families
Genera
Species
Taxom
Suborder
Ptychopariina
♰
Richter, 1932
33
282
757
Families
Genera
Species
Taxom
Superfamily
Ptychoparioidea
♰
Matthew, 1887
27
255
733
Families
Genera
Species
Taxom
Family
Diceratocephalidae
♰
Lu, 1954
2
4
Genera
Species
Taxom
Genera for USA
2 Genera with
4 Species
Paraphoreotropis
SHAW, 1968
1
Species
Taxom
Tholifrons
Palmer, 1968
3
Species
Taxom
Species list for USA
4 Species
Paraphoreotropis vermontensis
♰
SHAW, 1968
Tholifrons adevna
♰
Palmer, 1968
Tholifrons advena
♰
Palmer, 1968
Tholifrons minutus
♰
Palmer, 1968
Links, sources and further information
Diceratocephalidae at
irmng.org