NAGIOS: RODERIC FUNCIONANDO

Patterns of ecological diversification in thelodonts

Repositori DSpace/Manakin

IMPORTANT: Aquest repositori està en una versió antiga des del 3/12/2023. La nova instal.lació está en https://roderic.uv.es/

Patterns of ecological diversification in thelodonts

Mostra el registre parcial de l'element

dc.contributor.author Ferrón, Humberto G.
dc.contributor.author Martínez Pérez, Carlos
dc.contributor.author Botella Sevilla, Hector
dc.date.accessioned 2023-03-01T16:53:15Z
dc.date.available 2023-03-01T16:53:15Z
dc.date.issued 2018
dc.identifier.citation FERRÓN, H. G. MARTÍNEZ-PÉREZ, C. BOTELLA, H. 2018 Patterns of ecological diversification in thelodonts Palaeontology 61 2 303 315
dc.identifier.uri https://hdl.handle.net/10550/85568
dc.description.abstract Here we explore the spatial, temporal and phylogenetic patterns of ecological diversification for the entire clade of thelodonts, one of the earliest groups of vertebrates and longest lasting of the Palaeozoic agnathans in the fossil record. Parsimony and maximum-likelihood methods are used to reconstruct ancestral states of their geographical distributions, habitats and lifestyles. Our results support the concept that thelodonts originated during the Middle?-Late Ordovician probably in marine open waters of Laurasia, with a demersal lifestyle on hard substrates being the ancestral condition for the whole clade. Later, thelodonts underwent a complex ecological diversification and palaeobiogeographical history, comparable in many aspects to those of some major groups of living fishes. Different modes of life evolved repeatedly and a wide range of habitats were colonized by distinct groups, including deep waters and brackish marine and/or freshwater environments. Diadromous strategies presumably appeared on nine different occasions. The palaeobiogeographical history of thelodonts reveals significant differences in the dispersal potential of some major groups. Dispersal of thelodontiforms entailed displacements over long distances and the crossing of deep-water biogeographical barriers, whereas those of furcacaudiforms were always limited to areas interconnected by shallow platforms. We propose that the evolution of pelagic larval stages in thelodontiforms might explain this biogeographical pattern and could satisfactorily account for the greater evolutionary success of this group.
dc.language.iso eng
dc.relation.ispartof Palaeontology, 2018, vol. 61, num. 2, p. 303-315
dc.subject Paleontologia
dc.title Patterns of ecological diversification in thelodonts
dc.type journal article es_ES
dc.date.updated 2023-03-01T16:53:15Z
dc.identifier.doi 10.1111/pala.12347
dc.identifier.idgrec 124006
dc.rights.accessRights open access es_ES

Visualització       (1.527Mb)

Aquest element apareix en la col·lecció o col·leccions següent(s)

Mostra el registre parcial de l'element

Cerca a RODERIC

Cerca avançada

Visualitza

Estadístiques