''Eoholocentrum'' ("dawn '' Holocentrum''") is an extinct genus of prehistoric marine

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...

that lived during the early

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

. It contains a single species, ''E. macrocephalum'', known from the

Early Eocene In the geologic timescale the Ypresian is the oldest age (geology), age or lowest stage (stratigraphy), stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by th ...

of Monte Bolca, Italy. It resembled and was closely related to modern squirrelfishes and soldierfishes, and appears to have been more closely related to squirrelfishes. It can be considered a basal or

stem Stem or STEM most commonly refers to: * Plant stem, a structural axis of a vascular plant * Stem group * Science, technology, engineering, and mathematics Stem or STEM can also refer to: Language and writing * Word stem, part of a word respon ...

member of the Holocentrinae. It was originally erroneously named by Volta (1796) as a fossil specimen of "''Holocentrus sogo''" (a synonym for '' Holocentrus adscensionis'') and then as a specimen of "''Chaetodon saxatilis''" (a synonym for '' Abudefduf saxatilis''). It was described as its own species in ''Holocentrus'' by de Blainville (1818) before being placed in its own genus in 1975.

References

{{beryciformes-stub † Monotypic prehistoric ray-finned fish genera Ypresian genera Eocene fish of Europe Fossils of Italy Fossil taxa described in 1975

See also

References