Engelsk navneord: heterostracan | |||
1. | heterostracan (om dyr) extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian | ||
Mindre specifikke termer | agnathan, jawless fish, jawless vertebrate | ||
Tilhører disse overordnede termer | Heterostraci, suborder Heterostraci | ||