Ontology highlight
ABSTRACT:
SUBMITTER: Qvarnstrom M
PROVIDER: S-EPMC5773519 | biostudies-literature | 2018 Jan
REPOSITORIES: biostudies-literature
Qvarnström Martin M Szrek Piotr P Ahlberg Per E PE Niedźwiedzki Grzegorz G
Scientific reports 20180118 1
Opinions differ on whether the evolution of tetrapods (limbed vertebrates) from lobe-finned fishes was directly linked to terrestrialization. The earliest known tetrapod fossils, from the Middle Devonian (approximately 390 million years old) of Zachełmie Quarry in Poland, are trackways made by limbs with digits; they document a direct environmental association and thus have the potential to help answer this question. However, the tetrapod identity of the tracks has recently been challenged, desp ...[more]