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ebonino

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41

Montag, 9. November 2009, 09:48

RE: back to the past

Hey Pavel!

This is a new slab that I haven't yet touched with my hands but I hope to put my nose under as soon as possible.
This is really a beautiful and unique masterpiece from this quarry and the museum (39 Norwoodia, 7 Nephalicephalus, 10 Menomonia, 1 Genevivella, 1 Coosella and some some brachiopods).

To be know that this area now is unavailable because the quarry has stopped the extraction of the material and the fossils is more and more difficult to be found.

For your eyes I've placed a better image of the plate.

Enrico
»ebonino« hat folgendes Bild angehängt:
  • Norwoodplate5.jpg
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pavel2

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42

Montag, 9. November 2009, 11:38

great and thanks, Enrico...

I can see on the picture, something is missing... Where ist the left part of the of the slab - with other 30 Norwoodias? :023:

ebonino

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43

Montag, 9. November 2009, 11:47

hehehehe

to see the other side you must visit the museum... :259:
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ebonino

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44

Montag, 9. November 2009, 11:58

Just to add a little supplemental info.
The species Norwoodia bellaspina, like many other trilobites found in the Weeks Fm. (like Selenocoryphe, Nephalicephalus, Modocia,Chiasmaacantha...). are not a correct name because don't published following the rules of the ICZN.
Prof. Robison has reviewed these trilobites and he is working for a book concerning the Cambrian Utah trilobites (personal commuinication).
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pavel2

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45

Montag, 9. November 2009, 13:11

thanks again.

Because I can't visit the museum (too far), could the museum visit me?? :154: ;)

I am looking forwards to the new generic and species names of Utah trilobites and for the new lists of synonyms =)

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46

Montag, 9. November 2009, 13:17

If you are called Mohamed there is a fairly possibility... (liberally translated and adapted from notorious proverb).

Another way to visit the museum is to acquire our book and visit the web site.

I have in mind to create a "virtual museum" where you can move and visit the different showcases in a virtual world.
This is not a new idea but can approach visitors...

The Robison book is planned to be printed next year. I'm waiting for this volume too.

Enrico
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47

Montag, 9. November 2009, 15:02

@ Pavel thx for posting this adres and the slab.
It´s a real unbelievable slap and I´m glad this one is part of the museum. :o)
By the way, it was great seeing you again in munich.
In springtime we should go digging again in. ;o)

@ Enrico thx for giving us the detail information.
To bad the quarry is closed already. Looking at this slap, I wish I could dig there.
Can you tell me, who is the donatour of this masterpiece?
Hopefully it was donated.

The present page is excellent and I´m looking forward for the virtual version.
I´m also interested in the Robison book, as soon as you have information on it, please inform us.

best regard Andries

ebonino

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48

Montag, 9. November 2009, 16:05

Carlo is the owner of this slab and was donated from a friend that was involved long time in searching for trilobites in this area.
The slab was prepped by Dave Comfort.

This allow to Carlo to acquire without doubt one of the best collection of Weeks trilobites of the World. Also many interesting arthropods are discovered here, like "King Kong" a big undescribed 15cm arthropod, symbol of the museum (see picture attached).
»ebonino« hat folgendes Bild angehängt:
  • KingKong.jpg
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pavel2

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49

Montag, 9. November 2009, 18:07

8o Very nice "Kodymirus weeksensis" ;)

has this animal got a name or is it nameless?

Yes, the collection of Carlo is really excellent. I hope, he hadn't to trade some hotels for trilobite slabs =)

thank you for this nice picture. I suppose there are other cambrian arthropods (aglaspids) in the museum, aren't there? ;)

Pavel

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50

Montag, 9. November 2009, 18:33

Pavel Pavel ...

there are many other arthropods in the museum coming from this stunning, and unfortunately, unstudied geological formation.

This big one is nameless and open to be studied.
I think too that this bug can be related to aglaspidids, and like other aglaspidids is soft bodied organism. I'm doubtful about the theory that aglaspidids were predators of trilobites because the exoskeleton isn't calcified like that these of trilobites and the mouth (like anomalocaridids) don't show hard parts able to "crunch" the hard trilobite cuticle.

Anyway, I've attached other beautiful arthropods, Aglaspidids and other coming from the Weeks Formation, some part of my personal collection and other from the museum (obviously all show in the book).
»ebonino« hat folgendes Bild angehängt:
  • Aglaspidids.jpg
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51

Montag, 9. November 2009, 18:52

Yes, I have ment these Bekwithias, thank you. And I promise you, I am going to stop asking about any trilobites and animals - I don't want, that you post your complete book in this forum, before it will be printed. ;)

It doesn't matter, that the aglaspidids hadn't no hard parts in the mouth. They pierced and poisoned the trilobites with deadly spines and then sucked the glabellas off :023: OK, not so a good idea...

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52

Montag, 9. November 2009, 19:01

...mmmm good theory, like the one show in Jurassic Park where there are dinosaurs spitting venom to capture preys... :D :D

No problem to post the pages... there are other 450 waiting to be copy/pasted here hehe
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53

Montag, 9. November 2009, 19:27

Let us copy and paste, please. But I don't know, how long this board will be running. The data volume is limited, as I know. 8) Do I understand it right - will 450 images be included in your book?

Unfortunately, we cannot apply the spitting theory on aglaspidids. It would be difficult under watter.
A theory about the Norwoodia slab: a pride of Norwoodias (hyaenas) hunting for Nephalicephalus (bufallos). Some Norwoodias are trampled down. ;(

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54

Montag, 9. November 2009, 19:44

Not THAT limited, anymore ....... :296:
"The gates of Heaven and Hell are adjacent ... and unmarked!" - Carl Sagan
Empfehle uns doch weiter! :201: (Klappern gehört zum Handwerk)

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55

Montag, 9. November 2009, 19:51

Zitat

Original von Xiphogonium
Not THAT limited, anymore ....... :296:


:112:

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56

Dienstag, 10. November 2009, 17:17

Why looking for trilobites, these Arthropods also looks great.
It is a shame, that this geological formations has never been examened.
I think now the guarry is closed, that this formation will be led unstudied.

Looking at the pictures I´m already excited thinking about your book.

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57

Dienstag, 10. November 2009, 18:15

I've added a table showing a random preview of the book, just to have a different look of the themes.

Concerning the Weeks Fm., there are two important PhD thesis where are described many of the trilobites that are today well known (Norwoodia, Chiasmacantha, Selenocoryphe, Modocia...)

Beebe M.A. 1990 - Trilobite fauna and depositional environments of the Weeks Formation (Cambrian), Utah
and
Shanan E.P. 2003 - Paleontology and taphonomy of the upper Weeks Frm (Cambrian, upper Marjuman, Cedaria zone) of western Utah

Unfortunately few scientific papers follow after these two works, and as said above, the nomenclature was not validated from ICZN.
More probably many of these species will be (I hope) in future revisited by Robison and his team.

An interesting recent paper (2009) wrote by Adrain, Peters and Westrop describe the genus Cedarina (ex Gerospina schachti) from the Weeks Fm. and coeval Lincoln Peak Fm.

J. M. Adrain, S.E. Peters & S.R. Westrop (2009). The Marjuman trilobite Cedarina Lochman: thoracic morphology, systematics, and new species from western Utah and eastern Nevada, USA. Zootaxa 2218: 35–58
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58

Dienstag, 10. November 2009, 23:21

I thing,that's the plate is plate of the year 2009. But remember searching trilobes is not very difficult,but peppered this,will be the art. Here are my complications to Dave Comfort. Hope we will seen at Tucson next year,to talk a little bid..
dachopyche
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59

Mittwoch, 11. November 2009, 00:23

oooh boy, oooh boy, oooh boy, :014:
This book is going to be marvelous.
I know what I will buy for xmas

ebonino

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60

Mittwoch, 11. November 2009, 00:37

I hope too that you'll have the possibility to buy the book, before Christmas.
The work needed to achieve the translation, correction, page layout and printing is huge.

After the birth of my beloved child I have much less time available to devote my free time to this job. But I try to do miracles... otherwise it will be ready in January/February.
Be patient.
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