Dispersituberoolithus
... that paleontologists cannot determine whether Dispersituberoolithus, a type of fossil egg, was laid by a bird or a non-avian dinosaur?
... that paleontologists cannot determine whether <i id="mwApA"><b id="mwApE"><a href="./Dispersituberoolithus" id="mwApI" rel="mw:WikiLink" title="Dispersituberoolithus">Dispersituberoolithus</a></b></i>, a type of <a class="mw-redirect" href="./Fossil_egg" id="mwApM" rel="mw:WikiLink" title="Fossil egg">fossil egg</a>, was laid by a <a href="./Bird" id="mwApQ" rel="mw:WikiLink" title="Bird">bird</a> or a non-avian <a href="./Dinosaur" id="mwApU" rel="mw:WikiLink" title="Dinosaur">dinosaur</a>?