Andrey V Bayramov, Sergey A Yastrebov, Dmitry N Mednikov, Karina R Araslanova, Galina V Ermakova, Andrey G Zaraisky
The origin of paired appendages became one of the most important adaptations of vertebrates, allowing them to lead active lifestyles and explore a wide range of ecological niches. The basic form of paired appendages in evolution is the fins of fishes. The problem of paired appendages has attracted the attention of researchers for more than 150 years. During this time, a number of theories have been proposed, mainly based on morphological data, two of which, the Balfour-Thacher-Mivart lateral fold theory and Gegenbaur's gill arch theory, have not lost their relevance...
April 22, 2024: Evolution & Development