''Mioceratodus'' is an extinct genus of
lungfish
Lungfish are freshwater vertebrates belonging to the order Dipnoi. Lungfish are best known for retaining ancestral characteristics within the Osteichthyes, including the ability to breathe air, and ancestral structures within Sarcopterygii, i ...
in the family
Neoceratodontidae
Neoceratodontidae is a family of lungfish containing the extant Australian lungfish and several extinct genera. It and Lepidosirenidae represent the only lungfish families still extant.
Fossils from this family are first known from Triassic-aged ...
, which also contains the extant
Queensland lungfish
The Australian lungfish (''Neoceratodus forsteri''), also known as the Queensland lungfish, Burnett salmon and barramunda, is the only surviving member of the family Neoceratodontidae. It is one of only six extant lungfish species in the world. ...
.
[Consequences of Traumatic injury in Fossil and Recent Dipnoan Dentitions. Kemp, A. Journal of Vertebrate Paleontology. vol, 21. issue 1. 2001. pg 13-23.] It is known only from
Oligocene
The Oligocene ( ) is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that define the epoch are well identified but the ...
and
Miocene
The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...
-aged sediments in
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
, although phylogenetic evidence supports it having first diverged from its closest relative, ''
Neoceratodus'', during the
Late Jurassic
The Late Jurassic is the third epoch of the Jurassic Period, and it spans the geologic time from 163.5 ± 1.0 to 145.0 ± 0.8 million years ago (Ma), which is preserved in Upper Jurassic strata.Owen 1987.
In European lithostratigraphy, the name ...
or
Early Cretaceous
The Early Cretaceous ( geochronological name) or the Lower Cretaceous (chronostratigraphic name), is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 145 Ma to 100.5 Ma.
Geology
Pro ...
period.
4 species are known from this genus:
* †''
Mioceratodus anemosyrus''
* †''
Mioceratodus diaphorus''
* †''
Mioceratodus gregoryi''
* †''
Mioceratodus poastrus''
See also
*
Sarcopterygii
Sarcopterygii (; ) — sometimes considered synonymous with Crossopterygii () — is a taxon (traditionally a class or subclass) of the bony fishes known as the lobe-finned fishes. The group Tetrapoda, a mostly terrestrial superclass includi ...
*
List of sarcopterygians
This list of lobe-finned fish is a comprehensive listing of all genera that have ever been included in the class Sarcopterygii, excluding purely vernacular terms and Tetrapods. The list includes all commonly accepted genera, but also genera that a ...
*
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
Prehistoric lungfish genera
Oligocene fish
Miocene fish
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