Species list, Checklist of Infraorder Orthosterni for Cretaceous (Mesozoic)

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

Taxonomy & Distribution
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Lower CretaceousUpper Cretaceous

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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraorder Orthosterni Pocock, 1911
and region Cretaceous (Mesozoic)

Class	Arachnida Lamarck, 1801 Arachnids	71 120 135	Families Genera Species	Taxom
Subclass	Dromopoda Shultz, 1990	17 19 22	Families Genera Species	Taxom
Order	Scorpiones C. L. Koch, 1837 Scorpion, Scorpions	8 10 13	Families Genera Species	Taxom
Suborder	Neoscorpionina Thorell & Lindström, 1885	5 7 7	Families Genera Species	Taxom
Infraorder	Orthosterni Pocock, 1911	5 7 7	Families Genera Species	Taxom

List of families for Cretaceous
5 Families width 7 Species

Chactidae Reginald Inn..., 1893	Fatclaw scorpions	1	Species	Taxom
Archaeobuthidae Lourenço, 2001		1	Species	Taxom
Palaeoburmesebuthidae Lourenço, 2015		2	Species	Taxom
Palaeoeuscorpiidae Lourenço, 2003		2	Species	Taxom
Hemiscorpiidae Pocock, 1893	Longtail rock scorpions	1	Species	Taxom

Genera for Cretaceous
7 Genera with 7 Species

Araripescorpius Campos, 1986	1	Species	Taxom
Archaeobuthus Lourenço, 2001	1	Species	Taxom
Betaburmesebuthus Lourenço & B..., 2016	1	Species	Taxom
Burmesescorpiops Lourenço, 2016	1	Species	Taxom
Palaeoburmesebuthus Lourenço, 2002	1	Species	Taxom
Palaeoeuscorpius Lourenço, 2003	1	Species	Taxom
Protoischnurus Carvalho & L..., 2001	1	Species	Taxom

Species list for Cretaceous
7 Species

Araripescorpius ligabuei ♰ Campos, 1986
Archaeobuthus estephani ♰ W. R. Lourenço, 2001
Betaburmesebuthus bellus Lourenço, 2016
Burmesescorpiops groehni Lourenço, 2016
Palaeoburmesebuthus grimaldii ♰ W. R. Lourenço, 2002
Palaeoeuscorpius gallicus ♰ W. R. Lourenço, 2003
Protoischnurus axelrodorum ♰ M. G. P. de ..., 2001

Subnodes of Orthosterni with occurrences in Cretaceous

Superfamily	Buthoidea Koch, 1837	2 3 3	Families Genera Species	Taxom
Superfamily	Chactoidea Pocock, 1893	2 3 3	Families Genera Species	Taxom
Superfamily	Scorpionoidea Leach, 1815	1 1 1	Family Genus Species	Taxom