Tiny Life: Photo Evidence of Early Animals

By Live Science Staff
published

Tacuarí trace fossils

Fossilized line traced through rock

(Image credit: Ernesto Pecoits and Natalie Aubet)

Photograph of the Tacuarí trace fossils, illustrating typical bilobate and sinuous trails.

Tacuarí trace fossils

Fossilized line traced through rock

(Image credit: Ernesto Pecoits and Natalie Aubet)

Photograph of the Tacuarí trace fossils, illustrating typical bilobate and sinuous trails.

Tacuarí trace fossils

Fossilized line traced through rock

(Image credit: Ernesto Pecoits and Natalie Aubet)

Photograph of the Tacuarí trace fossils, illustrating typical bilobate and sinuous trails.

Rhythmite details

Detail of the rhythmites, showing the repetitive fine sand and silt-clay layers.

(Image credit: Ernesto Pecoits and Natalie Aubet)

Detail of the rhythmites, showing the repetitive fine sand and silt-clay layers. Note also the presence of small dropstones (top left of the coin).

Rhythmites

Photograph of the outcrops.

(Image credit: Ernesto Pecoits and Natalie Aubet)

Photograph of the outcrops, showing the trace fossil-bearing rhythmites.

Rhythmites

Photograph of the outcrops.

(Image credit: Ernesto Pecoits and Natalie Aubet)

Photograph of the outcrops, showing the trace fossil-bearing rhythmites.

Tacuarí Formation

Tacuarí Formation

(Image credit: Ernesto Pecoits and Natalie Aubet)

General view of the study area, showing outcrops of the Tacuarí Formation (northeast Uruguay).

Tacuarí Formation

Tacuarí Formation

(Image credit: Ernesto Pecoits and Natalie Aubet)

General view of the study area, showing outcrops of the Tacuarí Formation (northeast Uruguay).

Live Science Staff
For the science geek in everyone, Live Science offers a fascinating window into the natural and technological world, delivering comprehensive and compelling news and analysis on everything from dinosaur discoveries, archaeological finds and amazing animals to health, innovation and wearable technology. We aim to empower and inspire our readers with the tools needed to understand the world and appreciate its everyday awe.