Trigonoolithus
... that the shell of Trigonoolithus, a type of dinosaur egg, is covered with triangular nodes?
... that the shell of <i id="mwAqI"><b id="mwAqM"><a href="./Trigonoolithus" id="mwAqQ" rel="mw:WikiLink" title="Trigonoolithus">Trigonoolithus</a></b></i>, a type of <a href="./Dinosaur_egg" id="mwAqU" rel="mw:WikiLink" title="Dinosaur egg">dinosaur egg</a>, is covered with triangular nodes?