Results 81 to 90 of about 656 (162)

Der Hypothalamus und seine assoziierten Kerngebiete bei Strahlenflossern [PDF]

open access: yes
Der Hypothalamus der Teleostier, die bei weitem die größte Gruppe der Strahlenflosser ausmachen, besteht aus einem periventrikulären Bereich, einem tuberalen Lobus und zwei inferioren Lobi. Auf die Vermutung hin, dass der inferiore Lobus, bekannt als ein
Schmidt, Matthias
core   +1 more source

A new lepisosteiform neopterygian (Actinopterygii) from the lower Toarcian Grimmen Formation (Lower Jurassic) of Mecklenburg and Western Pomerania, Germany

open access: yesPalZ
AbstractThe Lower Jurassic (lower Toarcian) Grimmen Formation (formerly known as "Green Series") of Mecklenburg and Western Pomerania (Northeast Germany) yielded two articulated anterior skeletons of fossil fish, which represent a new lepisosteiform genus and species: Mengius acutidens gen. et sp. nov. The new taxon is described.
Detlev Thies   +2 more
openaire   +1 more source

A dinosaur fauna from the Late Cretaceous (Cenomanian) of northern Sudan [PDF]

open access: yes, 1999
A dinosaur fauna from the Cenomanian of northern Sudan (Wadi Milk Formation) is described. It comprises at least nine, probably ten to eleven taxa: a dicraeosaurid, a titanosaurid and another undetermined sauropod (possibly a titanosaurid), two ...
Rauhut, Oliver W M
core  

The First Record of Atractosteus spatula (Lacepède, 1803) (Actinopterygii: Lepisosteiformes: Lepisosteidae) in the Klawing River, Central Java, Indonesia

open access: yesJurnal Penelitian Pendidikan IPA
The Alligator gar, Atractosteus spatula (Lacepède, 1803), is a high-predatory fish native to North America. In 2020, two specimens were captured as a new species in the public waters of Klawing River, Central Java, Indonesia at 7°'19’.27"S 109°20'10"E. Therefore, this study aims to describe the meristic and morphometric features of Atractosteus spatula
Taufik Budhi Pramono   +4 more
openaire   +1 more source

[Karyotype of the tropical gar Atractosteus tropicus (Lepisosteiformes: Lepisosteidae) and chromosomal variation in their larval and adults].

open access: yesRevista de biologia tropical, 2010
The karyotype of the tropical gar Atractosteus tropicus is described from conventional Giemsa-staining of 295 mitotic chromosome slides from 120 larvae and 15 adults (five females and ten males) from Tabasco, southern of Mexico. The diploid number 2n = 56 chromosomes was calculated (73 spreads from 206 larval and 208 adult metaphases).
Lenin, Arias-Rodríguez   +3 more
openaire   +1 more source

Evolutionary and ecological correlates of thiaminase in fishes. [PDF]

open access: yesSci Rep, 2023
Rowland FE   +3 more
europepmc   +1 more source

Lepisosteiformes actinopterygii remains from the jurassic of the eastern carpathians

open access: yes
The Lepisosteiformes represents a diverse order of Mesozoic Neopterygii, with a global distribution, and temporal range spanning from the Early Jurassic to the present. Today they are only represented by the gars of the family Lepisosteidae, however extinct representatives include members of Lepidotes, Scheenstia, and Isanichthys, to name a few.
Torcărescu, B., Rusu, S., Grigore, D.
openaire   +1 more source

Post-testicular sperm maturation in ancient holostean species. [PDF]

open access: yesSci Rep, 2023
Dzyuba V   +6 more
europepmc   +1 more source

El tracto de salida del corazón de los condrictios y actinopterigios [PDF]

open access: yes, 2019
Fecha de lectura de Tesis Doctoral: 05/04/2019.La presente tesis se ajusta al modelo denominado compendio de publicaciones. Está constituida por cuatro artículos, cuyo común denominador consiste en que se refieren a la anatomía y a la histomorfología del
Lorenzale Garcia, Miguel
core   +1 more source

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