Tag Archive for 'Trace fossil'

Close up of Quaestio simpsonorum footprint. Image credit: Evans et al., doi: 10.1111/ede.12491.

New Species of Complex Ediacaran Animal Discovered in Australia

Oct 17, 2024 by Enrico de Lazaro

Quaestio simpsonorum is part of the Ediacara Biota, which preserves the oldest evidence for complex, macroscopic animals. Close up of Quaestio simpsonorum...

Reconstruction of the first animals on land, an ancient tidal flat at Blackberry Hill (500 million years ago), Wisconsin. Stranded jellyfish (1 m wide), the euthycarcinoid Mosineia (bottom left, 15 cm long), phyllocarid crustacean Arenosicaris (bottom right, green) and large slug‐like mollusc (70 cm long). Some euthycarcinoids occupy a tidal pool before it dries up. Image credit: Todd Gass.

The First Animals on Land Evolved in Warm Tidal Nursery Pools 500 Million Years Ago

Jul 26, 2024 by Simon Braddy

The evolution of the first animals on land, 500 million years ago, has been revealed. The ancestors of millipedes, called euthycarcinoids, evolved in warm...

Minterichnus shieldi, a new 500-million-year-old fossil resting trace of a phyllocarid crustacean from Texas, 55 mm long.

They Came From The Sea: New 500-Million-Year-Old Crustacean Trace Fossil Records Ancient Behavior

Oct 24, 2023 by Simon Braddy

Minterichnus shieldi, a new type of trace fossil (resting trace) of a phyllocarid crustacean from Texas shows animals trapped in a tidal pool, just before...

Morphology of the fish-feeding trace fossils: (A) slab containing fish-feeding trails (QUER1A, B, and H) and pits (QUER1C, D, E, and G); (B) false-color height map of the feeding trail QUER1B and the feeding pit QUER1C; (C) false-color height map of the feeding pit QUER1G; (D) paleogeographical location of the studied fossil sites. Image credit: Baucon et al., doi: 10.1073/pnas.2306164120.

130-Million-Year-Old Trace Fossils Reveal Earliest Evidence of Deep-Sea Vertebrates

Sep 19, 2023 by News Staff

Paleontologists have found 130-million-year-old trace fossils from abyssal plain turbidites of the ancient Tethys Ocean. Combined with nannofossil dating,...

Apectoichnus lignummasticans. Image credit: Melnyk et al, doi: 10.1017/jpa.2020.63.

Paleontologists Find 110-Million-Year-Old Wood-Boring Trace Fossil

Sep 3, 2020 by News Staff

A team of paleontologists from the University of Alberta has found the fossilized tracks of a marine wood-boring organism that lived approximately 110...