Help with identifying oldstock Russian Ammonites

[StoneAgeQuarry]

I recently acquired a collection of assorted rocks and minerals.

Many of these specimens are from the 70's, 80's and 90's ( am in the US).

 

In this group there is two ammonite in matrix specimens.

I believe they are Russian due to them being pyritized.

 

I am having a difficult time finding info about what species and what value these specimens may have.

I go to the Tucson show every year and I don't often see ammonites like this.

 

I was told to come here to find the experts!

 

Thank you for your time,

I look forward to posting more now that I am a member

 

StoneAgeQuarry

[StoneAgeQuarry]

Here is the second specimen.

Thick guys.

 

All of these have pretty opalescent Nacre

 

If I need to post better photos I can do that.

First (Above post) Single ammonite in matrix is 55mm tall x 45mm width x 14mm in thickness at the thickest part.

 

Second (Bellow post) ammonites in matrix are (Left one first, Right one second)

47mm tall x 45mm width x 35mm in thickness

45mm tall x 34mm width x 32mm in thickness

 

Thanks,

 

StoneAgeQuarry

[caldigger]

The first one appears to be Quenstedtoceras, can't help you for the second.

[RuMert]

The first one is probably Amoeboceras (abundant in Oxfordian-Kimmeridgian), the second possibly - Rondiceras (Callovian). Not garanteed though:)

[StoneAgeQuarry]

Thank you for the input guys!

 

Does anyone have any idea what the value could be?

 

I haven't had anyone offer to buy them on here so they must not be super collectible.

[Tidgy's Dad]

Hello, and a very warm welcome to TFF from Morocco.

I'm sure many members would be delighted to have these rather beautiful ammonites in their collections. 

But we cannot give valuations on the forum. 

They'll be worth whatever someone is willing to pay for them. 

 

[jpc]

for values, try looking them up for sale on the interwebs.  That'll give you a good idea.  We can only give good IDs.   : )