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bigred97

I do have Richardson's Guide to the Fossil Fauna of Mazon Creek, such a great book. When I looked in there, I first thought this is probably the negative half of an Euproops danae, just from the fact that it seems to have a middle ridge. But now I'm leaning toward Paleolimulus, just because of the angles of the bottom lines which seem to better match. Euproops is more rounded.

Either way, it's my best (and only) horseshoe crab fossil...

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RCFossils

It is definitely a Euproops danae.

There is a rarer species found at the river but it looks considerably different.

To my knowledge, Palaeolimulus has only been found at Sites such as Pit 11 which preserve Essex fauna.

Nice find!

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bigred97

Thanks, RC! I appreciate your help! Chris

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bigred97

Here is an Annularia found open in the Creek by my wife. I'm hoping that the shark egg case and this one are enough to keep her interested in going again! Another one that would have been a super nice find before it weathered, but still nice nevertheless!

117Annularia621Creek.thumb.jpg.418d66534e7f482ff73c0ab6dae67272.jpg

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bigred97

I'm going to keep posting some open ones we found in the Creek this year that I find interesting in some way. I'm not good at naming the flora, it seems to be an art I haven't mastered yet. So no guesses on species...

118Unk756Creek.thumb.jpg.886b6d5f345e5e13fcd91b98ff5fe074.jpg

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121Unk916Creek.thumb.jpg.b4dcae649d30a79150b9208b5f16507b.jpg

 

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bigred97

122Unk943Creek.thumb.jpg.808d71bd229fab0b576edd00910f1c9a.jpg

123Unk831Creek.thumb.jpg.207e221801a9d52c26695c110da123ac.jpg

124Unk896Creek.thumb.jpg.1ddf8a9a6647a6b2130aa852b4c23874.jpg

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bigred97

This one I think is interesting due to the impressions that run alongside the midvein. Little holes on both sides.

126Unk750Creek.thumb.jpg.c434c08a29dec91a3d9b302a6bd4725f.jpg

127Unk778Creek.thumb.jpg.f7ecbaa79004539e44d2ac3c12a92918.jpg

 

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bigred97

I can't believe it - I found the first carboniferous orange open in the Creek! :D

128Unk851Creek.thumb.jpg.f05907658ba63f70d6b1cc98af606774.jpg

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doushantuo

Intriguing,Bigred!

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bigred97

132Elonichthys827T.thumb.jpg.fce10accc78af56ef5cfa00296c132a9.jpg

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134Elonichthys800T.thumb.jpg.21375bfb8b21c9562120bec9733b82f5.jpg

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bigred97

135Elonichthys1060T.thumb.jpg.37ed5ed2dc5c30e200fd4cd5bf2d0d85.jpg

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137Elonichthys1070T.thumb.JPG.27307438c15dfb7e39b085a2843f8f12.JPG

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bigred97

138ElonichthysT.thumb.jpg.54f51498f7c3d9d53d13beef7d0012b4.jpg

139ElonichthysT.thumb.jpg.997c04895dbc9017664c8e97d2739e10.jpg

140ElonichthysT.thumb.jpg.bcba7cbe236e4aa5a3c3a49c36b9529b.jpg

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bigred97

141ElonichthysT.thumb.jpg.442389ad5cd710e949ebb62599952f78.jpg

142ElonichthysT.thumb.jpg.7780996873607c78fb43b3d9b1444046.jpg

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bigred97

Thanks, doushantuo!

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RCFossils

Very nice find!

i agree that it is an E. Hypsilepus.

These are rarer then E peltigeras.

You should be able to clean it up a bit.

if it were mine, I would soak it in diluted white vinegar.

i would start with 10% vinegar to 90% water.

Soak it for several hours. I would then lightly brush it with a soft bristle tooth brush. 
Rinse it off and let it dry.

you can repeat and if necessary increase the ratio of vinegar to water.

Once you receive the desired results, soak the fossil in water for several hours to remove any remaining vinegar.

It should look pretty nice once cleaned.

 

 

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bigred97

Thanks, RC!  I appreciate the cleaning advice.

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deutscheben

Wow, what a great find! :yay-smiley-1: Even worn, the detail is still incredible, and with a little clean-up like @RCFossils suggested I think it will shine. Congratulations!

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connorp

Absolutely spectacular find!!

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bigred97

Thanks, deutscheben! Thanks, connorp!

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jonnyquest

Beautiful specimen!

 

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bigred97

Thanks, jonnyquest!

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bigred97

Next is a fossil I'm really enjoying due to how detailed it is. I believe this is Didontogaster cordylina. I really like the protuberances along the sides, which I believe are called parapodia. I haven't been as lucky with the tooth or teeth that should be seen in the gut region (giving this worm the nickname Tummy Tooth Worm). I do see a round feature that I think is it, but I can't see enough detail to be sure. Pit 11.

143DidontogasterT.thumb.JPG.03acda43ace82717f58bb896b345bc55.JPG

 

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bigred97

144DidontogasterT.thumb.JPG.b1a94832750ca7542bef947d480b2315.JPG

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bigred97

145DidontogasterT.thumb.JPG.fd729c65bd4d42ee5fb77aefbabbe397.JPG

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