Meanings of look superficially in English

This is the nut that all persons who look superficially at us and at the community system, find hard to crack.

Immediately behind the huts we came upon a broad streak cochineal-red, except where tarnished by oxygen, where it looked superficially like ochre.

For instance, some studies indicate that Oreopithecus's hands looked superficially like hominin hands, perhaps a sign that it shared our ability to grip objects precisely.

The jaw looked superficially similar to the lower jaw of Thylacoleo, but Falconer thought it belonged to a small, herbivorous marsupial like the living rat-kangaroos.