Sphenodont information

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pristichampsus@yahoo.com - 11 Jan 2005 07:16 GMT

Hi all,

Does anyone know if there's ever been a review done on
rhynchocephalian/sphenodontians?

I'm looking around for some information on the various species within
the group, but I haven't found too much yet (I have _Pleurosaurus_,
_Homoeosaurus_ and their ilk, but that's about it. Nothing that in
depth).

Any help would be appreciated,

Jura

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P Bowles - 01 Feb 2005 19:39 GMT

>Hi all,
>
[quoted text clipped - 5 lines]
>_Homoeosaurus_ and their ilk, but that's about it. Nothing that in
>depth).

The "New Encyclopedia of Reptiles and Amphibians" has a tantalising reference
to sphenodonts having been found throughout the world in from the Triasic to
the early Cretaceous, but the only sphenodont species mentioned is
Brachyrhinodon, and that only as a possible basal member of the group from
around 220 million years ago.

Philip Bowles

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Gautam Majumdar - 01 Feb 2005 20:16 GMT

>>Hi all,
>>
[quoted text clipped - 11 lines]
> mentioned is Brachyrhinodon, and that only as a possible basal member of
> the group from around 220 million years ago.

Apesteguía S, Novas F E, Large Cretaceous sphenodontian from Patagonia
provides insight into lepidosaur evolution in Gondwana, Nature 425,
609-612 (09 October 2003); doi:10.1038/nature01995

Authors argued that Sphenodontians were an important element of
Mesozoic fauna of Gondwanaland. Several articles cited.

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Gautam Majumdar

Please send e-mails to gmajumdar@freeuk.com

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Dawid Mazurek - 12 Feb 2005 18:59 GMT

I have twice participated in excavations done near small polish village
Krasiejów. Among thousands of bones of amphibians and reptilans, also some
bones of sphenodonts have been found, but till now no scientific article
concerning sphenodonts from this site appeared. However, there are some
articles describing amphibians, archosaurs and invertebrates from this site.
If you are interested try googling for 'Krasiejów'. All the fossils are of
Late Carnian Paleorhinus biochron age.
Try e.g. this: http://www.paleo.pan.pl/krasiejow/
Also browse archival numbers of http://www.app.pan.pl/ for some articles
concerning the site.
I know it's not exactly what you were looking for, but You can add now
polish late triassic sphenodon occurence to your map, or whatever :)
Sorry for my English. Cheers, Dawid.

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Natural Science Forum / Biology / Paleontology / February 2005

Sphenodont information