| Nansenia | |
|---|---|
 | |
| Nansenia groenlandica | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Argentiniformes |
| Family: | Microstomatidae |
| Genus: | Nansenia D. S. Jordan & Evermann, 1896 |
Nansenia is a genus of pencil smelts.
There are currently 18 recognized species in this genus:
Jackals are canids native to Africa and Eurasia. While the word "jackal" has historically been used for many canines of the subtribe canina, in modern use it most commonly refers to three species: the closely related black-backed jackal and side-striped jackal of sub-Saharan Africa, and the golden jackal of south-central Europe and Asia. The African golden wolf was also formerly considered a jackal.
Chelidae is one of three living families of the turtle suborder Pleurodira, and are commonly called Austro-South American side-neck turtles. The family is distributed in Australia, New Guinea, parts of Indonesia, and throughout most of South America. It is a large family of turtles with a significant fossil history dating back to the Cretaceous. The family is entirely Gondwanan in origin, with no members found outside Gondwana, either in the present day or as a fossil.
Maurolicus is an oceanic ray-finned fish genus which belongs in the marine hatchetfish family Sternoptychidae. They are commonly known as pearlsides, but the brilliant pearlside is the related Argyripnus iridescens. Occasionally, "bristle-mouth fishes" is used as a common name, but that usually refers to the genus Argyripnus or the family Gonostomatidae.
Limaysaurus is a genus represented by a single species of rebbachisaurid sauropod dinosaurs, which lived during the mid-Cretaceous period, about 99.6 to 97 million years ago, in the Cenomanian, in what is now South America.
Rinconsaurus is a genus of titanosaur sauropod dinosaur from the Late Cretaceous in what is now Argentina. The type species, Rinconsaurus caudamirus, was described by Calvo and Riga in 2003, and is based on three partial skeletons.
The Maule tuco-tuco is a species of rodent in the family Ctenomyidae. It is found in Argentina and Chile, where it occupies several different types of habitats. It is a common species, and the IUCN has assessed its conservation status as being of "least concern". The common and scientific names refer to a river and region in Chile within its range.
Glugea is a genus of microsporidian parasites, predominantly infecting fish. Infections of Glugea cause xenoma formation.
Octodontidae is a family of rodents, restricted to southwestern South America. Fourteen species of octodontid are recognised, arranged in seven genera. The best known species is the common degu, Octodon degus.
Bathylagus is a genus of deep-sea smelts, some species of which are noted for having stylophthalmine larvae.
The Argentiniformes is an order of marine ray-finned fish whose distinctness was recognized only fairly recently. In former times, they were included in the Osmeriformes as suborder Argentinoidei. That term refers only to the suborder of marine smelts and barreleyes in the classification used here, with the slickheads and allies being the Alepocephaloidei. These suborders were treated as superfamilies Argentinoidea and Alepocephaloidea, respectively, when the present group was still included in the Osmeriformes.
Salterella is an enigmatic Cambrian genus with a small, conical, calcareous shell that appears to be septate, but is rather filled with stratified laminar deposits. The shell contains grains of sediment, which are obtained selectively by a manner also observed in foramanifera. The genus was established by Elkanah Billings in 1861, and was named after the English palaeontologist John William Salter.
Microstoma is a genus of pencil smelt.
Leptoderma is a genus of slickheads found in the deep waters of the oceans.
Argentina is a genus of fishes in the family Argentinidae.
Glossanodon is a genus of fishes in the family Argentinidae.
Bathylagichthys is a species of deep-sea smelts.
Chlorophthalmus is a genus of greeneyes
The Greenland argentine or large-eyed argentine is a species of pencil smelt fish.
Nansenia oblita, also called the forgotten argentine or the Mediterranean large-eyed argentine, is a species of fish in the pencil smelt family (Microstomatidae).
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