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Topic: Rhynchocephalia


In the News (Sat 18 May 13)

  
 Tuatara   (Site not responding. Last check: 2007-10-22)
The species remained misclassified until 1867, when Gunther (also at the British Museum) noted certain bird-like, turtle-like, and crocodile-like features and proposed the order Rhynchocephalia (beak heads) for the tuatara and its fossile relatives.
Unfortunately, during the years since Gunther's inception of the rhynchocephalia, many disparately related species (including the similarly named archosaurian rhynchosaurs) have come to be added to this order.
This has resulted in turning the rhynchocephalia into what taxonomists call a Wastebin taxon.
www.worldhistory.com /wiki/T/Tuatara.htm   (790 words)

  
 Palaeos Vertebrates: 230.000  Rhynchocephalia Overview
The Rhynchocephalia, sometimes referred to as Sphenodontia, are the sister group of the hugely successful Squamata.
The diversity of these poor relations to the snakes and lizards has always been somewhat limited.
So, while we wait patiently for some scholar to pen the successor to Williston, Romer and Carroll, we may as well take a brief look at the phylogenetic neighborhood of paleontology's Everyman.
www.palaeos.com /Vertebrates/Units/Unit230/000.html   (277 words)

  
 Reptile -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-22)
Order (Crocodiles; alligators; caimans; gavials) Crocodylia ((Large voracious aquatic reptile having a long snout with massive jaws and sharp teeth and a body covered with bony plates; of sluggish tropical waters) crocodiles and (Either of two amphibious reptiles related to crocodiles but with with shorter broader snouts) alligators): 23 species
Order (Tuataras; extinct forms from middle Triassic) Rhynchocephalia ((Only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand) tuataras from (An independent country within the British Commonwealth; achieved independence from the United Kingdom in 1907; known for sheep and spectacular scenery) New Zealand): 2 species
Order (Diapsid reptiles: snakes and lizards) Squamata ((Relatively long-bodied reptile with usually two pairs of legs and a tapering tail) lizards, (Limbless scaly elongate reptile; some are venomous) snakes and amphisbaenians): approximately 7,600 species
www.absoluteastronomy.com /encyclopedia/r/re/reptile.htm   (1213 words)

  
 tuatara on Encyclopedia.com
(tooand180;etär´e) or tuatera, lizardlike reptile, Sphenodon punctatus, last survivor of the reptilian order Rhynchocephalia, which flourished in the early Mesozoic era before the rise of the dinosaurs.
Captive tuataras mature in about 20 years, and it appears that their life span may exceed a century.
Tuataras are classified in the phylum Chordata, subphylum Vertebrata, class Reptilia, order Rhynchocephalia.
www.encyclopedia.com /html/t1/tuatara.asp   (432 words)

  
 Untitled   (Site not responding. Last check: 2007-10-22)
The Order Rhynchocephalia (to which the tuatara belongs) originated from an early eosuchian (Captorhinomorph) in the late Permian to early Triassic, about 250 million years ago.
This family has persisted from the lower Triassic to the present time and thereore has a longer fossil record than any other reptilian family.
The Order Rhynchocephalia once was distributed over Europe, Asia, North America, south "America, ad Africa.
www.cals.ncsu.edu:8050 /course/zo542/7tuatara.html   (609 words)

  
 tuatara --  Encyclopædia Britannica
Structurally, the tuatara is not much different from related forms, also assigned to the order Rhynchocephalia, that may have appeared as early as the Late Triassic Epoch (about 227 to 206 million years ago).
Until recently the tuatara lived on the two main islands of New Zealand.
The order of beaked reptiles, Rhynchocephalia, contains a single living family with only one species, the tuatara.
www.britannica.com /eb/article-9110253   (605 words)

  
 RHYNCHOCEPHALIA - Online Information article about RHYNCHOCEPHALIA
Giving rise to the birds through some unknown type transitional between Protorosauria and Dinosauria.
Orders Dinptosauria (=Protorosauria, Pelycosauria and Rhynchocephalia), Phytosauria (=Belodon, andc.), Ichthyosauria, Crocodilia, Dinosauria, Squamata and Pterosauria.
In a second series, comprising the orders Rhynchocephalia, Dinosauria, Crocodilia and Ornithosauria (fig.
encyclopedia.jrank.org /RHY_RON/RHYNCHOCEPHALIA.html   (1354 words)

  
 Reptiles [encyclopedia]   (Site not responding. Last check: 2007-10-22)
Sea turtles lay their eggs on dry sandy beaches, and are highly endangered.
The tuatara is the only surviving member of the order Rhynchocephalia.
It is native to a small number of islands off New Zealand and has been classified as an endangered species since 1895.
kosmoi.com /Life/Animals/Reptile   (1215 words)

  
 order rhynchocephalia - OneLook Dictionary Search
We found 4 dictionaries with English definitions that include the word order rhynchocephalia:
Tip: Click on the first link on a line below to go directly to a page where "order rhynchocephalia" is defined.
order rhynchocephalia : WordNet 1.7 Vocabulary Helper [home, info]
www.onelook.com /?w=order+rhynchocephalia&ls=a   (79 words)

  
 Marc EH Jones Research Page
Exploring skull evolution in the Rhynchocephalia (Diapsida: Lepidosauria).
Hyperossified megafrog from the Upper Cretaceous of Madagascar: a new size record for the Mesozoic.
Jones MEH, Evans SE and Ruth B. Ontogenetic variation in the frog ilium and its impact on classification.
www.ucl.ac.uk /~ucgamej   (149 words)

  
 Redtailboa.net - Science question
Now I did not no about the Rhynchocephalia.
I wonder what the heck I did with that thing.
But, when you brought up the question about the Rhynchocephalia and the description, it seemed vaguely familiar, but I couldn't remember were I heard about these before until you mentioned the wildlife treasury set.
www.redtailboa.net /forums/printthread.php?t=14&pp=40   (844 words)

  
 Sphenodontidae   (Site not responding. Last check: 2007-10-22)
The Tuataras are the only surviving members of the order Rhynchocephalia.
All other members of the order (and family) are known only from the Mesozoic.
Created: 12 Jan 1996 / Last changed: 7 Oct 2003
www.embl-heidelberg.de /~uetz/families/Sphenodontidae.html   (739 words)

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