Ptychaspididae Explained

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

• Alborsella
• Changia
• Eoptychaspis
• Eowuhuia
• Euptychaspis
• Idiomesus
• Kathleenella
• Keithia
• Keithiella
• Macronoda
• Plectrella
• Proricephalus
• Ptychaspis
• Saukioides
• Sunwaptia
• Wilcoxaspis

Notes and References

1. Web site: Order Asaphida . S. M. Gon III . November 21, 2010.