During most of the 20th century, troodontid fossils were few and incomplete and they have therefore been allied, at various times, with many dinosaurian lineages.
For a long time, troodontid fossils were few and scrappy.
For a long time, troodontid fossils were few and scrappy.
Formulieren Sie diesen Satz der Einfachheit halber um: During most of the 20th century, troodontid fossils were few and incomplete and they have therefore been allied, at various times, with many dinosaurian lineages. Ausgabe: