Micros from the Triassic of Aust Cliff, UK

These fossil images showcase the past six months of hunting and photographing tiny Triassic treasures from micro matrix derived from a 2 oz. (56 grams) chunk of bone bed from the Rhaetian Age of the Triassic Period at Aust Cliff, UK. They are approximately 200 million years old.

I am fortunate to have been sent this very rich matrix from the UK by a friend and fellow avocational paleontologist across the pond who collected the matrix at Aust.

After carefully breaking down about half of the densely packed bone bed rock, I found a wide variety of shark and boney fish fossils, most of which were entirely new to me.

(As a result, I now have a large collection of papers regarding the Rhaetian Triassic!)

Photographing the finds was very challenging due to the tiny size and the fact that they were very fragile and several broke with just a touch of the paintbrush hairs.

These are some of the Triassic treasures that I found. Please let me know of any corrections needed.

Album created by old bones
Updated August 4, 2023
55 images
2 album comments
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AC Chondrichthyan placoid denticles A-E.png

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AC Chondrichthyan dermal denticle 16.png

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AC Chondrichthyan dermal denticle 44.png

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AC Chondrichthyan dermal denticle 72.png

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AC Chondrichthyan dermal denticles 5 and 38.png

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AC Chondrichthyan dermal denticles 68 and 61.png

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AC Chondrichthyan Hybodont denticle 11 and 33.png

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AC Chondrichthyan Hybodont denticle 4.png

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AC Chondrichthyan Hybodont denticle 5.png

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AC Chondrichthyan Hybodont denticle 51.png

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AC Chondrichthyan Hybodont denticle 77.png

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AC Chondrichthyan placoid denticle 14.png

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AC Chondrichthyan placoid denticle 23.png

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AC Chondrichthyan placoid denticle 3 .png

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AC Chondrichthyan placoid denticle 39.png

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AC Chondrichthyan placoid denticles 27 and 18.png

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AC Duffinselache holwellensis.png

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AC fish tooth 77 .png

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AC Gyrolepis albertii teeth.png

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AC Hybodus cloacinus .png

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AC Lepidotes sp. tooth.png

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AC Lissodus minimus 2.png

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AC Lissodus minimus 8.png

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AC Lissodus minimus in matrix 2

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AC Lissodus minimus in matrix 2.png

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AC Lissodus minimus in matrix 3.png

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AC Pseudodalatias barnstonesis.png

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AC Rhomphaiodon minor 17.png

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AC Rhomphaiodon minor 18 and 23.png

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AC Rhomphaiodon minor 4.png

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AC Rhomphaiodon minor in matrix.png

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AC Undetermined shark tooth A.png

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AC Undetermined shark tooth B.png

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AC Undetermined shark tooth C.png

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AC Undetermined shark tooth D.png

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2 Album Comments

Ludwigia

Posted July 14, 2023

Magnificent presentation and great finds! And you hardly need any space to store them!!

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old bones

Posted July 15, 2023

16 hours ago, Ludwigia said:

Magnificent presentation and great finds! And you hardly need any space to store them!!

Thank you so much, @Ludwigia. Micros do fit nicely into my space! I enjoy the challenge of improving my methods in order to present tiny fossils that otherwise would never be seen by anyone else.

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Image Comments
- Prepped Pelagornis cf. sandersi dentary/beak
  
  By Tidgy's Dad · Posted 10 hours ago
  
  That is really super.
- Chorilingia translucida Shi et al., 2012
  
  By Tidgy's Dad · Posted Wednesday at 01:16 PM
  
  Beautiful.
- Large Turtle Shell Section (Soft Shelled)
  
  By Tidgy's Dad · Posted Tuesday at 09:39 PM
  
  It made Tidgy shudder a bit, but that's a very nice piece.
- Mimetaster hexagonalis
  
  By M3gal0don_M4n · Posted April 21
  
  Best thing I’ve seen all day.
- IMG_0405
  
  By C2fossils · Posted April 20
  
  It is drilled sideways at an angle, and there is wear on the opposite side of the hole.
- Large Turtle Shell Section (Soft Shelled)
  
  By Jaybot · Posted April 19
  
  Thank you for the info!
- Large Turtle Shell Section (Soft Shelled)
  
  By jpc · Posted April 19
  
  This is a piece of the plastron of a soft-shelled turtle. Nice find.
- Shark Unknown Jurassic Coast UK
  
  By Anthony2010 · Posted April 18
  
  what kind of species is that?
- Goniatite Ammonoid
  
  By icycatelf · Posted April 18
  
  After doing some research, I'm under the impression that this is Gastrioceras sp. Not sure how to go about updating the post though.
- I. retroflexus 4.12.24
  
  By M3gal0don_M4n · Posted April 18
  
  Actually one of the coolest teeth I have seen! Great find.

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Micros from the Triassic of Aust Cliff, UK

55 images

2 Album Comments

Ludwigia

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old bones

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