''Valenciennellus'' is a genus of
marine hatchetfishes. They are commonly known as constellationfishes.
Species
There are currently two recognized species in this genus:
* ''
Valenciennellus carlsbergi''
Bruun, 1931
* ''
Valenciennellus tripunctulatus''
(Esmark Esmark is a surname. Notable people with the surname include:
* Birgitte Esmark (1841–1897), Norwegian malacologist
*Jens Esmark (1763–1839), Danish-Norwegian mineralogist, study of glaciers
* Lars Mathias Hille Esmark (1908–1998), Norwegian ...
( sv), 1871) (Constellationfish)
Fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
s of constellationfishes are known since the
Early Eocene, more than 40
million years ago
The abbreviation Myr, "million years", is a unit of a quantity of (i.e. ) years, or 31.556926 teraseconds.
Usage
Myr (million years) is in common use in fields such as Earth science and cosmology. Myr is also used with Mya (million years ago) ...
.
[ (2002): 'Valenciennellus'' ''In:'' A compendium of fossil marine animal genera. ''Bulletins of American Paleontology'' 364: 560]
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References
Sternoptychidae
Extant Eocene first appearances
Marine fish genera
Taxa named by David Starr Jordan
Taxa named by Barton Warren Evermann
Ray-finned fish genera
{{Stomiiformes-stub