Results 1 to 10 of about 17,244 (204)

Trophic Interactions of European Hake Merluccius merluccius (Linnaeus, 1758) in Benthic Communities off the Moroccan Mediterranean Coastline: Seasonal and Ontogenetic Shifts [PDF]

open access: yesScientifica, 2023
The European hake, Merluccius merluccius (Linnaeus, 1758), is one of the most important resources for Mediterranean fisheries. Due to its pivotal role in energy transfer from lower to higher trophic levels, this species is a crucial component of the ...
Douaa Slimani   +8 more
doaj   +2 more sources

Extraordinary diversity of the CD28/CTLA4 family across jawed vertebrates [PDF]

open access: yesFrontiers in Immunology
Members of the CD28 family are critical for the control of immune cell activation. While CD28 and CTLA4 were previously identified in teleost fish, most members of the CD28 family have been described only in tetrapods.
Sylvie M. A. Quiniou   +7 more
doaj   +2 more sources

Unappreciated Cenozoic ecomorphological diversification of stem gars revealed by a new large species [PDF]

open access: yesActa Palaeontologica Polonica, 2022
The evolutionary history of gars, an ancient group of ray-finned fishes, is excellently documented in the fossil record. These fishes are notable for how little the anatomy of extant species differs from that of their earliest known relatives from ...
CHASE DORAN BROWNSTEIN
doaj   +1 more source

A review of the history of studying the Permian bony fish of European Russia

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2022
This article reviews the history of research on bony fish from the Permian of European Russia, summarizing the key findings that enable a deeper understanding of their evolution.
A.S. Bakaev
doaj   +1 more source

Vertebrate fauna of the Roman period, migrations period and Medieval period in Vojvodina (Serbia) [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2014
Based on current published and unpublished research results, a total of 16 vertebrate species members of mammal (Mammalia), bird (Aves) and osteichthyes (Osteichthyes) classes have been registered at 11 archaeological sites from the Roman Period
Radmanović Darko P.   +3 more
doaj   +1 more source

Vertebrate fauna of the early and late iron ages in Vojvodina (Serbia) [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2013
Based on current published and unpublished research results, a total of 34 vertebrate species from 4 classes have been registered at 9 archaeological sites from the Early Iron Age in Vojvodina (Serbia). The most numerous one is the mammal class (
Radmanović Darko P.   +3 more
doaj   +1 more source

Lung evolution in vertebrates and the water-to-land transition

open access: yeseLife, 2022
A crucial evolutionary change in vertebrate history was the Palaeozoic (Devonian 419–359 million years ago) water-to-land transition, allowed by key morphological and physiological modifications including the acquisition of lungs. Nonetheless, the origin
Camila Cupello   +12 more
doaj   +1 more source

Tooth replacement in early sarcopterygians [PDF]

open access: yesRoyal Society Open Science, 2019
Teeth were an important innovation in vertebrate evolution but basic aspects of early dental evolution remain poorly understood. Teeth differ from other odontode organs, like scales, in their organized, sequential pattern of replacement.
Mark Doeland   +3 more
doaj   +1 more source

New Late Cretaceous microvertebrate assemblage from the Campanian–Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications

open access: yesActa Palaeontologica Polonica, 2022
We describe a microvertebrate assemblage from the J&M site, of the Upper Cretaceous (Campanian–Maastrichtian) Williams Fork Formation. Breakdown of fossil bearing matrix was achieved with the use of heated dimethyl sulfoxide.
NICKOLAS A. BRAND   +5 more
doaj   +1 more source

Vertebrate fauna at the Neolithic and Eneolithic sites in Vojvodina (Serbia) [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2014
Based on current research results, a total of 40 vertebrate species from 4 classes have been registered at 10 archaeological sites from the Neolithic period in Vojvodina (Serbia).
Radmanović Darko P.   +3 more
doaj   +1 more source

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