Cheirurina

Cheirurina; Temporal range: Furongian–Givetian PreꞒ Ꞓ O S D C P T J K Pg N
	Ceraurus pleurexanthemus (Cheiruridae)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Phacopida
Suborder:	Cheirurina
Families
	Cheiruridae; Encrinuridae; Staurocephalidae; Pilekiidae; Pliomeridae;

Cheirurina is a suborder of the trilobite order Phacopida. Known representatives range from the uppermost Cambrian (upper Furongian) to the end of the Middle Devonian (Givetian).^[2]^[3] Cheirurina is made up of a morphologically diverse group of related families.

References

^ Sam Gon III. "Order Phacopida". Retrieved November 13, 2010.
^ Sam Gon III. "Order Phacopida". Retrieved November 13, 2010.
^ J.M. Adrian (2014). "20. A synopsis of Ordovician trilobite distribution and diversity". Early Palaeozoic Biogeography and Palaeogeography. Memoirs of the Geological Society of London. Vol. 38. Geological Society of London. p. 490. ISBN 1862393737. {{cite book}}: Unknown parameter |editors= ignored (|editor= suggested) (help)

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[1] Sam Gon III. "Order Phacopida". Retrieved November 13, 2010.

[2] Sam Gon III. "Order Phacopida". Retrieved November 13, 2010.

[HarperServais-3] J.M. Adrian (2014). "20. A synopsis of Ordovician trilobite distribution and diversity". Early Palaeozoic Biogeography and Palaeogeography. Memoirs of the Geological Society of London. Vol. 38. Geological Society of London. p. 490. ISBN 1862393737. {{cite book}}: Unknown parameter |editors= ignored (|editor= suggested) (help)

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