Fossil Hash

[BLT]

These are pics of another hash plate from my yard in middle Tennessee. I’m hoping someone will let me know what all is in it. (I’m wondering if there are fragments of fish bones?) Thanks. 

[daves64]

I swear, I need to come play in your yard. 

[Raggedy Man]

Just now, daves64 said:

I swear, I need to come play in your yard. 

 

[Raggedy Man]

I see some trilobits!

[Tidgy's Dad]

Several species of bryozoan and brachiopod, crinoid columnals and all sorts of bits. 

Nice hash plates! 

[BLT]

11 minutes ago, daves64 said:

I swear, I need to come play in your yard. 

My family gets a laugh over my staying outside to “play with my rocks” for hours at a time. 

[BLT]

15 minutes ago, Raggedy Man said:

I see some trilobits!

Seriously? I still haven’t located any trilobits on there.  (That’s the main thing I’m hoping to find on one of my hash plates.) 

[BLT]

6 minutes ago, Tidgy's Dad said:

Several species of bryozoan and brachiopod, crinoid columnals and all sorts of bits. 

Nice hash plates! 

Thank you!

[BuddingPaleo]

Wow! Beautiful! I could get lost in that rabbit hole for a long minute! 

[Paciphacops]

The trilobite pieces may be fragments of Dolichoharpes. I noticed you have added an "early devonian" tag. There are no early devonian rocks in middle TN. These are almost certainly middle/late ordovician. Nice finds!

[ynot]

Lots of shell pieces and a few trilo bits, but no bone as far as I can tell.

Bone will typically have a different color from shell because of the different mineral makeup of the hard parts.

[BLT]

48 minutes ago, BuddingPaleo said:

Wow! Beautiful! I could get lost in that rabbit hole for a long minute! 

Thanks, I enjoy poking around to see what all I can find. Luckily, I haven’t stumbled upon any snakes this year! 

[BLT]

40 minutes ago, Paciphacops said:

The trilobite pieces may be fragments of Dolichoharpes. I noticed you have added an "early devonian" tag. There are no early devonian rocks in middle TN. These are almost certainly middle/late ordovician. Nice finds!

Thanks! I just googled Dolichoharpes.   ~ No Early Devonian fossils in middle Tennessee? (Clearly, I am still a novice at fossil hunting. I want to learn all I can regarding the fossils in my area.) I have read online that there are an abundance of Early Devonian fossils in eastern middle Tennessee. Incorrect, huh? 

[BLT]

20 minutes ago, ynot said:

Lots of shell pieces and a few trilo bits, but no bone as far as I can tell.

Bone will typically have a different color from shell because of the different mineral makeup of the hard parts.

Thanks for the information! Will the colors vary? I’ve noticed a few hash plates having what appear to be orange(ish) stains running across them. 

[ynot]

4 minutes ago, BLT said:

Will the colors vary?

The color in rocks is dependent on the minerals present, as the minerals vary so will the color.

[Paciphacops]

10 minutes ago, BLT said:

I have read online that there are an abundance of Early Devonian fossils in eastern middle Tennessee. Incorrect, huh?

That would be incorrect. It is possible that some very early references (19th century), used different ages, that were later revised.

 

There are quite a few areas near the western edge of middle TN, where silurian and devonian rocks can be found, but these layers are almost totally absent on the eastern side. 

[BLT]

1 hour ago, Paciphacops said:

That would be incorrect. It is possible that some very early references (19th century), used different ages, that were later revised.

 

There are quite a few areas near the western edge of middle TN, where silurian and devonian rocks can be found, but these layers are almost totally absent on the eastern side. 

Gotcha. Thank you again!  

[Bronzviking]

Nice hash plate! I see some coral, bivalves and possibly spirorbis and sea urchin fragment? See circled below:

[Fossildude19]

34 minutes ago, Bronzviking said:

Nice hash plate! I see some coral, bivalves and possibly spirorbis and sea urchin fragment? See circled below:

 

The circled item is a bit of a Dolichoharpes  trilobite.

[erose]

Those trilo-bits look a lot more like Cryptolithus to me. The rest of the material feels like middle Ordovician to me.  Dolichoharpes doesn't appear to have the perforations shown in the photo.  Go here for info on the Ordovician around Nashville: http://strata.uga.edu/nashville/index.html

[BLT]

On 8/18/2018 at 1:47 PM, Bronzviking said:

Nice hash plate! I see some coral, bivalves and possibly spirorbis and sea urchin fragment? See circled below:

Thanks!

 

On 8/18/2018 at 2:20 PM, Fossildude19 said:

 

The circled item is a bit of a Dolichoharpes  trilobite.

Alrighty. Thanks!

 

On 8/18/2018 at 2:48 PM, erose said:

Those trilo-bits look a lot more like Cryptolithus to me. The rest of the material feels like middle Ordovician to me.  Dolichoharpes doesn't appear to have the perforations shown in the photo.  Go here for info on the Ordovician around Nashville: http://strata.uga.edu/nashville/index.html

Thanks for the information! 

[Paciphacops]

On 8/18/2018 at 2:48 PM, erose said:

Those trilo-bits look a lot more like Cryptolithus to me. The rest of the material feels like middle Ordovician to me.  Dolichoharpes doesn't appear to have the perforations shown in the photo.  Go here for info on the Ordovician around Nashville: http://strata.uga.edu/nashville/index.html

+1 for Cryptolithus.  Dolichoharpes fragments are common in some exposures of Lebanon Limestone, but I have never found Cryptolithus before in TN. I'm guessing this is from the Leipers Catheys formation?