Species list, Checklist of Superfamily Dikelokephaloidea ♰ for Ordovician (Paleozoic)

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 Ordovician

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Checklist for Superfamily Dikelokephaloidea Miller, 1889
and region Ordovician (Paleozoic)

Class	Trilobita ♰ Walch, 1771 Trilobites	90 824 1708	Families Genera Species	Taxom
Order	Asaphida ♰ Salter, 1864	20 273 486	Families Genera Species	Taxom
Suborder	Asaphina ♰ Fortey & Chatterton, 1988	18 263 477	Families Genera Species	Taxom
Superfamily	Dikelokephaloidea ♰ Miller, 1889	3 6 2	Families Genera Species	Taxom

List of families for Ordovician
3 Families width 2 Species

Saukiidae ULRICH & RESSER, 1930		1	Species	Taxom
Ptychaspididae Raymond, 1924		0	Species	Taxom
Eurekiidae Hupé, 1953		1	Species	Taxom

Genera for Ordovician
6 Genera with 2 Species

Calvinella Walcott, 1914		0	Species	Taxom
Changia Sun, 1924		0	Species	Taxom
Eurekia Walcott, 1967		1	Species	Taxom
Saukia Walcott, 1968		1	Species	Taxom
Saukiella ULRICH & RESSER, 1933		0	Species	Taxom
Tostonia Walcott, 1924		0	Species	Taxom

Species list for Ordovician
2 Species

Eurekia apopsis ♰ Winston & Ni..., 1967
Saukia globosa ♰ ROBISON, 1968

Subnodes of Dikelokephaloidea with occurrences in Ordovician

Family	Eurekiidae ♰ Hupé, 1953	2 1	Genera Species	Taxom
Family	Ptychaspididae ♰ Raymond, 1924	1 0	Genus Species	Taxom
Family	Saukiidae ♰ ULRICH & RESSER, 1930	3 1	Genera Species	Taxom