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Crozo Crozo is a male
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Daumen hoch! Famille des Cyclopygidae (Raymond, 1925) - with phylogeny Reply to this Post Post Reply with Quote Edit/Delete Posts Report Post to a Moderator       Go to the top of this page
Classification : Asaphida - Asaphina - Cyclopygoidea
Représentant type de cette famille : Cyclopyge (Hawle & Corda, 1847)

Diagnose générale de cette famille :
Céphalon : généralement de grande taille, sans bordure marginale.
Glabelle fusionnée avec un anneau occipital à l’exception du genre
« Ellipsotaphrus », les fixigènes sont réduites en une fine bande.
Lobes palpébrales indéfinis. Librigènes existants mais la plupart
D’entres eux sont très réduits. Les angles génaux sont arrondis
Et unis ventralement par la doublure.
Le système visuel est hypertrophié et très convexe, il occupe
Presque en totalité le librigène et se poursuit du côté ventral ou
Soit il reste séparé ou les 2 yeux s’unissent (chez le Symphysops)
Ces yeux possèdent entre 750 à 3500 lentilles biconvexes ou divergentes.
Thorax : composé de 5 à 6 segments allant de large en avant à étroit
Vers l’arrière du thorax. Zone pleurale cannelée, bord des plèvres avec
Un angle ou comme chez le Pricyclopyge possédant une pointe assez
Longue sur le dernier segment thoracique.
Pygidium : de tailles et de formes différentes chez les représentants
de cette famille. Rachis avec peu d’anneaux (maximum 5), peu de
sillons pleuraux 1 ou 2 suivant les espèces, mais avec une surface lisse
ou striée, peu d’espèces possèdent une surface granuleuse.

Répartition : de l’Ordovicien inférieur à l’Ordovicien supérieur

Ma collection de Cyclopygidae :

Crozo has attached these images (downsized versions):
260-Cyclopyge.jpg 488-Pricyclopyge.jpg 490-Cyclopyge.jpg 505-Degamella.jpg

05.03.2012 08:31 Crozo is offline Send an Email to Crozo Search for Posts by Crozo Add Crozo to your Buddy List
Xiphogonium Xiphogonium is a male
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Very interesting! I have what we scantily described as ?Cyclopyge in our gallery:

http://www.trilobita.de/gallery/asaphida...yge/cyclo1a.htm

... now, looking at your images, I can find an exact match as Degamella.

So if your IDing was correct, I may be able to finally correct that.

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05.03.2012 11:24 Xiphogonium is offline Send an Email to Xiphogonium Homepage of Xiphogonium Search for Posts by Xiphogonium Add Xiphogonium to your Buddy List YIM Account Name of Xiphogonium: xiphogonium
Crozo Crozo is a male
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Thread Starter Thread Started by Crozo
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Thank you very much "Xiphogonium". I hope that for this whole forum, that does not disturb too much that I put my trilobites like that by families.
by
05.03.2012 11:28 Crozo is offline Send an Email to Crozo Search for Posts by Crozo Add Crozo to your Buddy List
Jens Jens is a male
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Hi Crozo,

I have to say, that we appreciate it much, that you present your collection in such a detailed and well organized way. Not many collectors can manage that in a similar way, at least I know no other one;-)

So, thanks and feel free to show more;-)

ThumbsUp3

Jens
05.03.2012 11:45 Jens is offline Send an Email to Jens Homepage of Jens Search for Posts by Jens Add Jens to your Buddy List
Xiphogonium Xiphogonium is a male
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Hi Hervé.

no problem, as you can see, it can assist us to correct mistakes in our collections.

Best regards,

Mike

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05.03.2012 11:47 Xiphogonium is offline Send an Email to Xiphogonium Homepage of Xiphogonium Search for Posts by Xiphogonium Add Xiphogonium to your Buddy List YIM Account Name of Xiphogonium: xiphogonium
Xiphogonium Xiphogonium is a male
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Interesting website I found because of your posting. Did not know so many species from Morocco where in the course of being christened ...

http://elfosil-elfosil.blogspot.com/

See bottom for the "Moustache Trilobite! and others!

Mike

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05.03.2012 11:57 Xiphogonium is offline Send an Email to Xiphogonium Homepage of Xiphogonium Search for Posts by Xiphogonium Add Xiphogonium to your Buddy List YIM Account Name of Xiphogonium: xiphogonium
Crozo Crozo is a male
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Thank you for this Web site, I knew him(it), but it is always interesting to see and to see again.
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05.03.2012 12:01 Crozo is offline Send an Email to Crozo Search for Posts by Crozo Add Crozo to your Buddy List
Crozo Crozo is a male
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Thread Starter Thread Started by Crozo
RE: Famille des Cyclopygidae (Raymond, 1925) Reply to this Post Post Reply with Quote Edit/Delete Posts Report Post to a Moderator       Go to the top of this page
Hello everybody.
New young, and magnificent preservation for these species.
I think that the visual surfaces are in places, I would see can etre in better one preparation later.
bye and to soon.
Hervé.

Crozo has attached this image (reduced version):
532-Microparia.jpg

22.08.2012 09:09 Crozo is offline Send an Email to Crozo Search for Posts by Crozo Add Crozo to your Buddy List
Xiphogonium Xiphogonium is a male
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RE: Famille des Cyclopygidae (Raymond, 1925) Reply to this Post Post Reply with Quote Edit/Delete Posts Report Post to a Moderator       Go to the top of this page
Ah, very nice little trilobite! ThumbsUp3

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"The gates of Heaven and Hell are adjacent ... and unmarked!" - Carl Sagan
Empfehle uns weiter! ;) (Klappern gehört zum Handwerk!)
22.08.2012 09:26 Xiphogonium is offline Send an Email to Xiphogonium Homepage of Xiphogonium Search for Posts by Xiphogonium Add Xiphogonium to your Buddy List YIM Account Name of Xiphogonium: xiphogonium
Jens Jens is a male
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Salut Crozo,

bon petite trilobite, merci pour le presentation;-) Pas espèce fréquente.

ciao,
Jens
22.08.2012 09:51 Jens is offline Send an Email to Jens Homepage of Jens Search for Posts by Jens Add Jens to your Buddy List
Crozo Crozo is a male
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Thread Starter Thread Started by Crozo
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It's true, it is not a very frequent species.
Thanks to you to have written in my language.
it is kind.
bye

hervé
22.08.2012 11:33 Crozo is offline Send an Email to Crozo Search for Posts by Crozo Add Crozo to your Buddy List
Jens Jens is a male
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Hi,

here the last of the 4 updates I got yesterday from Crozo. He shows us the diversity of that family with another wonderful family tree.

Asthonishing how many different genera exist, some I have never heard before. Cool stuff.

Thanks Hervé,

Jens

Jens has attached this image (reduced version):
Phylo-CYCLOPYGIDAE-opt.jpg

18.09.2012 11:26 Jens is offline Send an Email to Jens Homepage of Jens Search for Posts by Jens Add Jens to your Buddy List
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