Pterygometopidae

Pterygometopidae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Phacopida
Suborder:	Phacopina
Superfamily:	Phacopoidea
Family:	Pterygometopidae Reed, 1905

Pterygometopidae is a family of trilobites, containing the following genera:^[1]

• Achatella
• Bolbochasmops
• Calliops
• Calyptaulax
• Carinopyge
• Ceratevenkaspis
• Chasmops
• Denella
• Elasmaspis
• Eomonorachus
• Estoniops
• Evenkaspis
• Ingriops
• Isalaux
• Isalauxina
• Keilapyge
• Liocnemis
• Monorakos
• Oculichasmops
• Oelandiops
• Parevenkaspis
• Podowrinella
• Pterygometopus
• Rollmops
• Ruegenometopus
• Sceptaspis
• Schmidtops
• Scopelochasmops
• Toxochasmops
• Tricopelta
• Truncatometopus
• Upplandiops
• Uralops
• Valdariops
• Vironiaspis
• Volkops
• Yanhaoia

References

1. ^ S. M. Gon III. "Order Phacopida". http://www.trilobites.info/ordphacopida.htm. Retrieved November 16, 2010.