Results 81 to 90 of about 385 (172)

Tetradactyl theropod ichnotaxa and their trackmakers [PDF]

open access: yes
While most theropod dinosaurs would have left behind tridactyl (three-toed) footprints, there are rare occurrences of tetradactyl (four-toed) theropod footprints in the palaeoichnological record.
Dickson, Logan Teague
core  

First terror bird footprints reveal functionally didactyl posture. [PDF]

open access: yesSci Rep, 2023
Melchor RN   +5 more
europepmc   +1 more source

Enigmatic tracks of solitary sauropods roaming an extensive lacustrine megatracksite in Iberia. [PDF]

open access: yesSci Rep, 2021
Torcida Fernández-Baldor F   +4 more
europepmc   +1 more source

Concepts in ichnotaxonomy illustrated by small round holes in shells

open access: yesActa geológica hispánica, 1981
La clasificación de las pistas fósiles requiere un doble sistema de nomenclatura. El nombre de la pista fósil (ichnotaxon) está basado en la morfologia de la estructura, mientras que el taxon biológico  representa la posicion filogenética que se interpreta del organismo causante.
openaire   +2 more sources

The Chengjiang Biota inhabited a deltaic environment. [PDF]

open access: yesNat Commun, 2022
Saleh F   +9 more
europepmc   +1 more source

Animal-substrate interactions preserved in ancient lagoonal chalk. [PDF]

open access: yesSci Rep, 2022
Valencia FL   +3 more
europepmc   +1 more source

The swimming trace Undichna from the latest Devonian Hangenberg Sandstone equivalent of Morocco. [PDF]

open access: yesSwiss J Palaeontol, 2021
Klug C   +4 more
europepmc   +1 more source

Crayfish-like arthropod trackways from the fluvial Wapiti Formation (Upper Cretaceous), Alberta, Canada

open access: yes
This study documents and analyzes arthropod trackways from the Upper Cretaceous Wapiti Formation, located in west-central Alberta, Canada. In general, the ichnotaxonomy of arthropod trackways is problematic due to inconsistent use of diagnostic criteria ...
Gingras M. K.   +9 more
core   +1 more source

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