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Blanche
Hello,

I'm new to the area and to paleontology. I went to Seafield tower yesterday and found a few things I'd love to have an identification for. In particular the tooth, which does not seem to match the pictures I could find of Ctenopetalus serratus.

20190912_104150.jpg  20190912_104033.jpg  20190912_103936.jpg  20190912_103920.jpg 

There's also these two specimens from the same day. Is that a plant, a coral?


20190912_104302.jpg  20190912_104255.jpg  20190912_104222.jpg 
Thank you in advance for your help.

Blanche

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prep01
Hello Blanche and welcome to the forum. Would this be Seafield in Northumberland or another one?
Colin Huller
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Blanche
hello Colin,

Thank you for your welcome! This is the Seafield Tower site in Scotland, just south of Kirkcaldy.

Blanche
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Barrow Museum
The coastal exposures around Seafield Tower (Fife) are predominantly Carboniferous sediments, interbedded with basaltic lava and volcanic ashfall deposits of the same age.  What you have found looks like a small solitary coral and a fragment of a somewhat larger one (identified by the radiating divisions, (septae) in the cross-section.  At first glance, I thought it was bryozoan, but on closer inspection I suspect the network pattern visible on the last image is in fact the internal structure, exposed where the outer coral layer has been broken away.  I only see photos of two items here.  Is there a third missing?

I assume you were alerted to the site from its entry in https://ukfossils.co.uk/2017/10/03/seafield-tower/ , where it is described as one f the best fossil-hunting localities in rocks of this age in the UK.  As you are local, I'd encourage you to go back and search for more - I doubt you will be disappointed.
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TqB
I agree with Barrow Museum, both are solitary Carboniferous corals. The tooth like one (somewhat crushed) is close to, or even actually, Zaphrentis sp, though there is a whole tricky group of broadly similar ones and it could even be a juvenile of something else.
Tarquin
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Blanche
Hi all,

Thank you for your lovely answers and all the information!

Being a local, I did go back a few days later, both to look for specimens and look a the seal colony nearby!

Here are the results of that day's outing:
Number 1: fossilised cracked clay?

20191026_112419.jpg 
Number 2: solitary coral?
20191026_112433.jpg 

Number 3: another type of crinoid?20191026_112523.jpg  Number 4: crinoid segment I think 20191026_112544.jpg
Number 5: a bivalve?
  20191026_112731.jpg 

Thank you all, and have a lovely day!
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prep01
Hello Blanche - did we get carried away with the posting button or was it the new system - anyway - ADMIN, could you clean this up please?
OK Blanche -
  1. This is a Septarian nodule - sorry, I can't attach an article so suggest you Google them.
  2. Horn (solitary) coral.
  3. Crinoid stem
  4. Single crinod ossicle
  5. These are brachiopods - almost right!
Colin Huller
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Barrow Museum
For your septarian nodule:
These formed when a patch of lime concentrated around something in the sediment (often a shell) a short distance below the seafloor, during the time of deposition of the sediment. These concretions shrank internally as they hardened and small cracks formed in their interior. These filled with mineral, which in your case will be calcite (lime). You have a fragment of one of these concretions which has been broken by beach processes. Because of the way they formed, it is not unusual for a decent, uncompressed fossil to be found inside them. though it may have a "crazy paving" appearance due to the changes that occurred in the concretion as it became more indurated.
The brachiopod is a Spiriferid, but beyond that, I cannot say more.
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