class Placodermi

ریشه

Derived from the Greek words 'plakoeis' meaning 'flat' and 'derma' meaning 'skin'.

مثال

• The Class Placodermi includes the earliest known vertebrates with jaws.
• Fossils of the Class Placodermi have been found worldwide.
• The Class Placodermi became extinct at the end of the Devonian period.

ترکیب‌های رایج

Members of Class Placodermi Species in Class Placodermi Fossils of Class Placodermi