''Acrolepis'' (
Ancient Greek for "tip scale") is an extinct
genus of prehistoric
bony fish
Osteichthyes (), popularly referred to as the bony fish, is a diverse superclass of fish that have skeletons primarily composed of bone tissue. They can be contrasted with the Chondrichthyes, which have skeletons primarily composed of cartilag ...
that lived from the
Tournaisian stage of the
Mississippian
Mississippian may refer to:
* Mississippian (geology), a subperiod of the Carboniferous period in the geologic timescale, roughly 360 to 325 million years ago
*Mississippian culture, a culture of Native American mound-builders from 900 to 1500 AD ...
(early
Carboniferous
The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
) to the
late Permian epoch.
Some species from the
Early Triassic of Tasmania are also ascribed to ''Acrolepis''.
It is a large
piscivorous predatory fish in the
acrolepid family, which occupy an
apex predator niche in its locale. ''A. gigas'' was estimated to have grown up to in length.
A close relationship between the mostly
Palaeozoic
The Paleozoic (or Palaeozoic) Era is the earliest of three geologic eras of the Phanerozoic Eon.
The name ''Paleozoic'' ( ;) was coined by the British geologist Adam Sedgwick in 1838
by combining the Greek words ''palaiós'' (, "old") and '' ...
Acrolepidae and the
Mesozoic Ptycholepiformes was proposed, but support from
phylogenetic analyses is scarce.
Diet
''Acrolepis'' possibly used its sharp, pointed teeth to catch small fish (most primarily
Palaeonisciformes).
Fossil record
The
type species is ''Acrolepis sedgwicki'' from the
late Permian Marl Slate of
England and the coeval
Kupferschiefer
The Kupferschiefer (German for Copper Shale, also called Copper Slate) or Kupfermergel (Copper Marl), (T1 or Z1) is an extensive and remarkable sedimentary unit in Central Europe. The relatively monotonous succession is typically and maximum th ...
of
Germany. Other species are known from Carboniferous and Permian rocks in the
Czech Republic and Triassic layers of
Tasmania.
Specimens in possession of
Tyne & Wear Archives and Museums comprise a fossilized jawbone from the Marl Slate of
Durham Province.
Synonyms
* ''
Acrolepis arctica''
Woodward
A woodward is a warden of a wood. Woodward may also refer to:
Places
;United States
* Woodward, Iowa
* Woodward, Oklahoma
* Woodward, Pennsylvania, a census-designated place
* Woodward Avenue, a street in Tallahassee, Florida, which bisects the ca ...
, 1912 →
''Boreosomus'' ''acticus''
* ''
Acrolepis digitata''
Woodward
A woodward is a warden of a wood. Woodward may also refer to:
Places
;United States
* Woodward, Iowa
* Woodward, Oklahoma
* Woodward, Pennsylvania, a census-designated place
* Woodward Avenue, a street in Tallahassee, Florida, which bisects the ca ...
, 1891 → ''
Namaichthys digitata''
* ''
Acrolepis laetus
''Acrolepis'' (Ancient Greek for "tip scale") is an extinct genus of prehistoric bony fish that lived from the Tournaisian stage of the Mississippian (early Carboniferous) to the late Permian epoch. Some species from the Early Triassic of Tasm ...
''
Lambe
Lambe is a surname, and may refer to:
* Anna Lambe, Canadian actress
* Charles Lambe (1900–1960), Royal Navy admiral
* Charles Laverock Lambe (1875–1953), Royal Air Force air marshal
* Claire Lambe (artist) (born 1962), English-born Australian ...
, 1916 →
''Pteronisculus''? ''laetus''
Other
The
coat of arms of the village and municipality of
Žilov
Žilov is a municipality and village in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 500 inhabitants.
Žilov lies approximately north of Plzeň and west of Prague
Prague ( ; cs, Praha ; german: Prag, ; l ...
,
Plzeň-North District in the
Plzeň Region of the
Czech Republic, features a restoration of ''Acrolepis gigas'' in the center of the black-silver-red divided shield.
See also
*
Prehistoric fish
*
List of prehistoric bony fish
A ''list'' is any set of items in a row. List or lists may also refer to:
People
* List (surname)
Organizations
* List College
Albert A. List College of Jewish Studies, known simply as List College, is the undergraduate school of the J ...
References
Mississippian fish
Palaeonisciformes
Prehistoric ray-finned fish genera
Permian bony fish
Triassic fish
Triassic bony fish
Fossils of Germany
{{Palaeonisciformes-stub