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Topic: Erythrosuchidae


  
  Encyclopedia: Timeline of evolution   (Site not responding. Last check: 2007-11-04)
Groups Biarmosuchia Dinocephalia Anomodontia Theriodontia Cynodontia (...mammals) Therapsids, previously known as the mammal-like reptiles, are a group of synapsids.
Groups Proterosuchidae Erythrosuchidae Euparkeriidae Archosauria Archosauriformes (Greek for ruling reptiles, + form) are a clade of diapsid reptiles that developed from Archosauromorph ancestors some time in the Late Permian (roughly 250 million years ago).
The Permian-Triassic (P-T or PT) extinction event, sometimes informally called the Great Dying, was an extinction event that occurred approximately 252 million years ago (mya), forming the boundary between the Permian and Triassic geologic periods.
www.nationmaster.com /encyclopedia/Timeline-of-evolution   (10287 words)

  
 Palaeos Vertebrates 270.500 Archosauromorpha : Archosauria
Gauthier redefined the Archosauria as a crown group, the last common ancestor of birds and crocodiles and all of its descendants: crocs + rocs.
Above Archosauria were the Erythrosuchidae and other forms previously referred to as "Proterosuchia." Gauthier used the term Archosauriformes to describe the clade uniting these forms with Archosauria.
A variety of names have been given to the two stem clades within Archosauria.
www.palaeos.com /Vertebrates/Units/270Archosauromorpha/270.500.html   (1585 words)

  
 DinoData Dinosaurs Mussaurus patagonicus M146   (Site not responding. Last check: 2007-11-04)
In the same manner, if as suggested by this author, Melanorosauridae is considered as Sauropoda, there are no anatomical reasons for maintaining Anchisauridae and Plateosauridae in a distinct infraorder.
Or it would be, that if we follow this proposal, the three families of Prosauropoda become part of Sauropoda...while to the second part of this proposal, the different osteologies between erythrosuchid Proterosuchia and melanorosaurid Prosauropoda are so great that the descendence of this latter from the Erythrosuchidae is only a conjecture.
Romer (1972) suggested, with great doubt, that the erythrosuchid or prestosuchid Proterosuchia could have changed during the Triassic and been converted into the ancestors of Sauropoda.
www.dinodata.net /Dd/Namelist/Tabm/M146.htm   (2893 words)

  
 Palaeos Vertebrates 270.400 Archosauromorpha : Archosauriformes   (Site not responding. Last check: 2007-11-04)
GandW do not attempt a reconstruction, and the topographical relationships in the published figures suggest that it might be quite difficult to determine the original relationships inside the otic capsule.
Characters: Antorbital fenestra; orbit shaped like inverted triangle; teeth laterally compressed and serrated; widespread bipedalism; presence of 4
Characters: $ marked down-turn of premaxilla; supratemporal and postparietal, pineal opening, all retained; mandibular fenestra absent; shoulder girdle clearly divided as scapula and coracoid (compare Lepidosaurs); flat pelvis without thyroid fenestration; sprawling gait: head of femur terminal and directed horizontally to acetabulum.
www.palaeos.com /Vertebrates/Units/270Archosauromorpha/270.400.html   (3327 words)

  
 Erythrosuchidae - EvoWiki   (Site not responding. Last check: 2007-11-04)
Erythrosuchidae is a poorly known archosaur clade occupying outrgroup status to Archosauria proper, however their triradiate pelvic girdle and the presence of other archosaur autapomorphies indicates these reptiles were closer to the origin of Archosauria than Proterosuchidae.
The erythrosuchids appear to have been formidable predators, and are the largest known terrestrial vertebrates of the Lower Triassic, with lengths exceeding 5 meters.
This page was last modified 19:08, 9 Jul 2004.
wiki.cotch.net /index.php/Erythrosuchidae   (89 words)

  
 Classification of Reptiles   (Site not responding. Last check: 2007-11-04)
Alternative classification scheme (according to the Zoological Record Taxonomic Hierarchy - Section 17).
Subordo Pseudosuchia (+) (ancestors of birds ?) Familia Erythrosuchidae
This classification was taken from the following references:
www.embl-heidelberg.de /~uetz/db-info/ExtinctReptiles.html   (107 words)

  
 IngentaConnect The tarsus of erythrosuchid archosaurs, and implications for earl...   (Site not responding. Last check: 2007-11-04)
This reassessed tarsal morphology has implications for the homology of the centrale and reconstruction of early diapsid phylogeny.
Keywords: Archosauromorpha; Erythrosuchidae; pes; morphology; homology; characters; synapomorphy
Affiliations: 1: Department of Geology, University of Bristol, Wills Memorial Building, Queens Road, Bristol, BS8 1RJ, UK 2: Institut und Museum fur Geologie und Palaontologie, Universitat Tubingen, Sigwartstrasse 10, Tubingen, D-72076, Germany
www.ingentaconnect.com /content/ap/zj/1996/00000116/00000004/art00024   (321 words)

  
 Kind Number 30 : Heavy quadrupeds   (Site not responding. Last check: 2007-11-04)
Heavy, quadrupeds up to five or six metres long.
Erythrosuchidae - (No Translation) Erythrosuchids First in Fossil Record: Permian, Ext: Jurassic
Rauisuchidae - (No Translation) Rauisuchids First in Fossil Record: -
www.noahsarkzoofarm.co.uk /research/showreptiles.php?kindNumber=30   (67 words)

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