Show us your Agnostids!

[piranha]

Here is a list of Elena Naimark agnostid papers. Most of these are available at: ResearchGate

 

 

Naimark, E.B. & Markov, A.V. 2001
The Cambrian Evolutionary Stages of Agnostids.

Paleontological Journal, 35(6):614-623

 

Naimark, E.B. 2004
Biogeographic events in the middle and upper Cambrian, using the example of the Agnostida (Trilobita) and Brachiopoda.
Paleontological Journal, 38(2):123-133

 

Naimark, E.B. 2006
Growth and development of agnostids Pentagnostus proanabarensis Fedoseev, 1999.
Paleontological Journal, 40(5):541-552

 

Naimark, E.B. 2006
Ontogeny of Agnostida.

Palaeoworld, 15(3-4):315-327

 

Naimark, E.B. 2007
Comparative ontogeny of different species of Agnostina.
Paleontological Journal, 41(1):69-78 

 

Naimark, E.B. 2008
Morphogenesis in the Genus Peronopsis Hawle et Corda (Agnostina). 
Paleontological Journal, 42(4):389-400

 

Naimark, E.B. 2012
Hundred Species of the Genus Peronopsis Hawle et Corda, 1847. 
Paleontological Journal, 46(9):945-1057

 

Naimark, E.B. 2014
Revision of Eurudagnostus Lermontova (Agnostida, ?Trilobita). 
Paleontological Journal, 48(2):166-176

 

Naimark, E.B. 2016
Revision of Pseudorhaptagnostus Lermontova (?Trilobita, Agnostida).
Paleontological Journal, 50(1):54-68

 

Naimark, E.B. & Pegel, T.V. 2017
Revision of the Cambrian Agnostina (Trilobita?) from Russia.
Paleontological Journal, 51(11):1167-1248

[Tidgy's Dad]

Here are my agnostids. 

First up the Itagnostus interstrictus that several others have posted, all from the Wheeler Shale, Antelope Springs, House Range, Utah:

These were teased out of rocks sent by Tony @ynot

And a recent acquisition from the Wheeler Formation courtesy of Jay @DevonianDigger, this one's a little bigger at 7 mm. 

 

[Tidgy's Dad]

Then my Barrandagnostus inexpectans, Conasauga Formation, Georgia. USA thanks to lots of rock bashing at matrix sent by Ralph @Nimravis

 

 

[Tidgy's Dad]

And finally a group of Ptychagnostus gibbus from the Middle Cambrian of Slemmestad, Oslo region, Norway

[Fruitbat]

Here's the only agnostic I have:

 

 

Oh...WAIT a minute...you said AGNOSTID, didn't you?

 

-Joe

[MeargleSchmeargl]

Really nice stuff so far!

[Tidgy's Dad]

I got a new Itagnostus interstrictus from Jay @DevonianDigger

At 7 mm it's bigger than my other ones. 

 

[Bobby Rico]

4 minutes ago, Tidgy's Dad said:

I got a new Itagnostus interstrictus from @Monica via an auction win from @ynot

At 7 mm it's bigger than my other ones. 

 

Stunning Adam where was is it found? Is it fossilised in calcite? 

[Tidgy's Dad]

9 minutes ago, Bobby Rico said:

Stunning Adam where was is it found? Is it fossilised in calcite? 

No, just Wheeler Formation shale, Millard County, Utah. 

Here it is in its rock.

It is beautiful isn't it?

And my photography using the loop is improving a bit. 

 

 

[Bobby Rico]

13 minutes ago, Tidgy's Dad said:

loop is improving a bit. 

Off Notify me of replies

 

Yes it is I thought it was a different specimen. 

[Tidgy's Dad]

3 minutes ago, Bobby Rico said:

Yes it is I thought it was a different specimen. 

It is a close up of one of the ones I posted earlier on this thread.

Forgot i posted it before. 

[Dromiopsis]

hello!

2 Agnostids from Sweden

 

the famous Agnostus pisiformis! from Kinnekulle Sweden  10 mm

 

and Ptychagnostus gibbus  11 mm from Brantevik  Sweden