Species list, Checklist of Family Catillicephalidae ♰ for Lower Ordovician (Ordovician)

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 Family Catillicephalidae Raymond, 1938
and region Lower Ordovician (Ordovician)

Class	Trilobita ♰ Walch, 1771 Trilobites	69 364 514	Families Genera Species	Taxom
Order	Asaphida ♰ Salter, 1864	17 134 175	Families Genera Species	Taxom
Family	Catillicephalidae ♰ Raymond, 1938	6 6	Genera Species	Taxom

Genera for Lower Ordovician
6 Genera with 6 Species

Buttsia Wilson, 1980		2	Species	Taxom
Calculites FORTEY, 1983		1	Species	Taxom
Onchonotus Raymond, 1924		0	Species	Taxom
Pemphigaspis Hall, 1977		1	Species	Taxom
Triarthropsis Ulrich, 1930		1	Species	Taxom
Yukonaspis Kobayashi, 1936		1	Species	Taxom

Species list for Lower Ordovician
6 Species

Buttsia australis ♰ Benedetto, 1977
Buttsia inexpectata ♰ FORTEY, 1980
Calculites stevensi ♰ FORTEY, 1983
Pemphigaspis perforata ♰ Benedetto, 1977
Triarthropsis nitida ♰ Ulrich, 1930
Yukonaspis kindlei ♰ Kobayashi, 1936

Links, sources and further information

Catillicephalidae at gbif.org
Catillicephalidae at irmng.org