Eryopidae were a group of medium to large amphibious
temnospondyli
Temnospondyli (from Greek τέμνειν, ''temnein'' 'to cut' and σπόνδυλος, ''spondylos'' 'vertebra') is a diverse order of small to giant tetrapods—often considered primitive amphibians—that flourished worldwide during the Carb ...
, known from North America and Europe. They are defined as all
eryopoids with interpterygoid vacuities (spaces in the interpterygoid bone) that are rounded at the front; and large external
nares (Laurin and Steyer 2000). Not all of the genera previously included in the Eryopidae (Carroll 1988) are retained under the cladistic revisions.
Gallery
File:Eryops1DB.jpg, '' Eryops megacephalus'', of the late Carboniferous
Late may refer to:
* LATE, an acronym which could stand for:
** Limbic-predominant age-related TDP-43 encephalopathy, a proposed form of dementia
** Local-authority trading enterprise, a New Zealand business law
** Local average treatment effect, ...
to early Permian 01 or '01 may refer to:
* The year 2001, or any year ending with 01
* The month of January
* 1 (number)
Music
* '01 (Richard Müller album), 01'' (Richard Müller album), 2001
* 01 (Son of Dave album), ''01'' (Son of Dave album), 2000
* 01 (Urban ...
of North America
File:Onchiodon12DB.jpg, ''Onchiodon
''Onchiodon'' is an extinct genus of temnospondyl. It is primarily known from the 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 yea ...
'', of the late Carboniferous
Late may refer to:
* LATE, an acronym which could stand for:
** Limbic-predominant age-related TDP-43 encephalopathy, a proposed form of dementia
** Local-authority trading enterprise, a New Zealand business law
** Local average treatment effect, ...
to early Permian 01 or '01 may refer to:
* The year 2001, or any year ending with 01
* The month of January
* 1 (number)
Music
* '01 (Richard Müller album), 01'' (Richard Müller album), 2001
* 01 (Son of Dave album), ''01'' (Son of Dave album), 2000
* 01 (Urban ...
of Europe and North America
File:Actinodon frossardi 1DB.jpg, '' Actinodon frossardi'', of the early Permian of France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
File:Clamorosaurus1DB.jpg, '' Clamorosaurus nocturnis'', of the early Permian of Russia
References
*
Carroll, R. L. (1988), ''Vertebrate Paleontology and Evolution'', W.H. Freeman & Co.
*
Laurin. M and
Steyer, J-S, (2000),
Phylogeny and Apomorphies of Temnospondyls- Tree of Life project
External links
- Mikko's Phylogeny Archive
Permian temnospondyls
Eryopids
Pennsylvanian first appearances
Permian extinctions
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