Results 261 to 270 of about 25,678 (313)

Actinopterygii COPE 1881

2013
ACTINOPTERYGII COPE, 1881 EURYNOTIFORMES (NOV.) Type genus: Eurynotus Agassiz, 1833 –1844. Included genera: Eurynotus Agassiz, 1833 –1844, Styracopterus Traquair, 1890, Fouldenia White, 1927, Benedenius Traquair, 1878, Amphicentrum Young, 1866, Cheirodopsis Traquair, 1881, Paramesolepis Moy-Thomas & Bradley Dyne, 1938, Wardichthys Traquair, 1875,
Sallan, Lauren Cole, Coates, Michael I.
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Interrelationships of Gasterosteiformes (Actinopterygii, Percomorpha)

Journal of Ichthyology, 2006
Phylogenetic relationships of Gasterosteiformes were studied using osteological examination of representatives of 11 families of gasterosteiform fishes, as ingroups, and 5 families of other smegmamorph fishes (Atheriniformes, Elassomatiformes, and Synbranchiformes), as outgroups. Based on phylogenetic analysis of 110 informative osteological characters,
Y. Keivany, J. S. Nelson
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Deep genetic divergence and paraphyly in cryptic species of Mugil fishes (Actinopterygii: Mugilidae)

, 2020
Morphological conservatism among closely related species often results in incongruent taxonomic classification between studies, leading to disagreements about the inferred evolutionary history of the species.
Jessika M. M. Neves, João P. F. A. Almeida, M. Sturaro, N. Fabré, R. Pereira, T. Mott   +5 more
semanticscholar   +1 more source

Otolith fluctuating asymmetry in Boops boops (Actinopterygii, Sparidae) from two marine stations (Bizerte and Kelibia) in Tunisian waters

Journal of the Marine Biological Association of the United Kingdom, 2020
For the first time, saccular otolith shape and size were analysed in 254 samples of the bogue Boops boops collected from the marine stations of Bizerte and Kelibia situated in north-east Tunisia.
Mouna Ben Labidi, M. Mejri, A. A. Shahin, J. Quignard, M. Trabelsi, A. Ben Faleh   +5 more
semanticscholar   +1 more source

Polypteridae (Actinopterygii: Cladistia) and DANA-SINEs insertions

Marine Genomics, 2010
SINE sequences are interspersed throughout virtually all eukaryotic genomes and greatly outnumber the other repetitive elements. These sequences are of increasing interest for phylogenetic studies because of their diagnostic power for establishing common ancestry among taxa, once properly characterized. We identified and characterized a peculiar family
MORESCALCHI M. A, BARUCCA M, STINGO, Vincenzo, CAPRIGLIONE T.   +3 more
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A new species of deropristid trematode from the sterlet Acipenser ruthenus (Actinopterygii: Acipenseridae) and revision of superfamily affiliation of the family Deropristidae

, 2020
A new species, Skrjabinopsolus nudidorsalis sp. nov. is described from the sterlet Acipenser ruthenus, caught in the River Volga basin (Russia). This species differs from previously described congeners by the absence of vitelline follicles on the dorsal ...
S. Sokolov, E. Voropaeva, D. Atopkin
semanticscholar   +1 more source

Sperm maturation in sturgeon (Actinopterygii, Acipenseriformes): A review

Theriogenology, 2017
The morphology of the reproductive system of acipenseriform fishes is quite different from that of teleostean species, but an associated unique physiological difference in male sturgeons was not discovered until recently; sperm of sturgeons passes through the kidneys then via Wolffian ducts into the environment rather that emptying directly through ...
Borys, Dzyuba, Jacky, Cosson, Viktoriya, Dzyuba, Pavlo, Fedorov, Olga, Bondarenko, Marek, Rodina, Otomar, Linhart, William L, Shelton, Sergii, Boryshpolets   +8 more
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Ray-finned fishes (Actinopterygii)

2009
Abstract Actinopterygii, or ray-Anned Ashes, are one of the two major lineages of osteichthyan vertebrates, the other being Sarcopterygii (1). 7ere are more than 26,890 species of actinopterygian Ashes and the group has diversiAed into a wide range of marine and freshwater habitats (2).
Thomas J Neara, Masaki Miyab
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Primary structure of stanniocalcin in two basal Actinopterygii

General and Comparative Endocrinology, 2004
The primary structure of stanniocalcin (STC), the principal product of the corpuscles of Stannius (CS) in ray-finned fishes, was deduced from STC cDNA clones for two species of holostean, the gar, Lepisosteus osseus and the bowfin, Amia calva. Overlapping partial cDNA clones were amplified by polymerase chain reaction (PCR) from single-strand cDNA of ...
Yutaka, Amemiya, John H, Youson
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III ACTINOPTERYGII, Strahl(en)flosser

2014
Die Actinopterygii bilden den uberwiegenden Teil der rezenten Fischfauna, wahrend die Fischformen der Sarcopterygii (S. 288) heute nur noch mit wenigen Arten der Dipnoi (Lungenfische) (S. 290) und Actinistia (Hohlstachler) (S. 296) vertreten sind.
Wilfried Westheide, Gunde Rieger
openaire   +1 more source