A new 160-million-year-old arboreal pterosaur species, dubbed ‘Monkeydactyl’, has the oldest true opposed thumb – a novel structure previously not known in pterosaurs.
Source: New Jurassic flying reptile reveals the oldest opposed thumb
A new 160-million-year-old arboreal pterosaur species, dubbed ‘Monkeydactyl’, has the oldest true opposed thumb – a novel structure previously not known in pterosaurs.
Source: New Jurassic flying reptile reveals the oldest opposed thumb