Species list, Checklist of Superfamily Leiostegioidea ♰ for Orr Formation (Utah, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

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Checklist for Superfamily Leiostegioidea Bradley, 1925
and region Orr Formation (Utah, USA)

Class	Trilobita ♰ Walch, 1771 Trilobites	20 39 13	Families Genera Species	Taxom
Order	Corynexochida ♰ Kobayashi, 1935	2 5 1	Families Genera Species	Taxom
Suborder	Leiostegiina ♰ Bradley, 1925	1 2 1	Family Genera Species	Taxom
Superfamily	Leiostegioidea ♰ Bradley, 1925	1 2 1	Family Genera Species	Taxom

List of families for Orr Formation
1 Family width 1 Species

Cheilocephalidae Shaw, 1956

1

Species

Genera for Orr Formation
2 Genera with 1 Species

Cheilocephalus BERKEY, 1898		0	Species	Taxom
Pseudokingstonia Palmer, 1965		1	Species	Taxom

Species list for Orr Formation
1 Species

Pseudokingstonia exotica ♰ Palmer, 1965

Subnodes of Leiostegioidea with occurrences in Orr Formation

Family

Cheilocephalidae ♰
Shaw, 1956

2
1

Genera
Species