''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 Bruun is a surname of North Germanic origin. The meaning is ''brown'' (''brun'' in Danish, Swedish and Norwegian). In Denmark, the name is known to have been in use since the 13th century in the form Bruun. Other spelling variants are ''Bruhn'' and ...
, 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 ci ...
( 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
In the geologic timescale the Ypresian is the oldest age or lowest stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by the Eocene Lutetian Age. The Ypresian i ...
, 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