Like many titanosaurians, Adamantisaurus is incompletely known, making its exact relationships difficult to establish.

The limbs and tail are incompletely known but probably resembled those of Dimetrodon as well.

Like most dinosaurs, the skeleton of Parasaurolophus is incompletely known.

Gibbons defines a problem as "a request for information about an incompletely known model.

His output is more belatedly and incompletely known than that of any other major composer.

The head of Falcarius is still very incompletely known.

S. pacificus probably also had a short snout, although its skull is incompletely known.

The biological roles of most proteins, as characterized by which other macromolecules they interact with, are known at best incompletely.

The results are less a shock-of-the-new revelation than a revelatory confirmation of realities until now incompletely known.

The movements of the Crescent Honeyeater within its range are incompletely known.