New research reveals a 515-million-year-old mouth with rings of sharp teeth belonged to an ancient arthropod, giving clues to the ancestral origins of this feature.
Arthropod ancestor had the mouth of a penis worm
Comments are closed.
New research reveals a 515-million-year-old mouth with rings of sharp teeth belonged to an ancient arthropod, giving clues to the ancestral origins of this feature.
Comments are closed.
Conor McKeever 