The operational approach to the problem of tetrapodization

Autor:	E. I. Vorobyeva
Rok vydání:	2008
Předmět:	Paleontology Sequence Taxon Evolutionary biology Ecosystem approach General problem Operational approach Tetrapod (structure) Fish Biology
Zdroj:	Paleontological Journal. 42:114-126
ISSN:	1555-6174 0031-0301
DOI:	10.1134/s0031030108020020
Popis:	The problem of tetrapodization is considered as a part of the general problem of the formation of large higher taxa on the basis of morphophysiological and morphogenetic organization of ancestors. It is shown that the formation of tetrapod-like characters in Paleozoic crossopterygians followed the patterns of preadaptation, parallel and mosaic development. The main task of the operational approach to the problem is the reconstruction of the sequence and rates of the formation of tetrapod-like characters in crossopterygians, the loss of fish characters at the tetrapod level, and the mechanisms of these processes.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5faf891d3e60f4bf804acd8ca2f6a343 https://doi.org/10.1134/s0031030108020020 Zobrazit plný text záznamu Full text from SpringerLink