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Various Pennsylvanian Seeds, Cones, Etc.


Missourian

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The Pennsylvanian is best known for its abundant plant life. Various fruitification structures can be found among the leaves and stems. I have a few in my collection....

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I'll start with the intricately structured Dolerotheca.

Tonganoxie Sandstone

Franklin County, Kansas:

post-6808-0-41720100-1375601144_thumb.jpg

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Dolerotheca is a pteridosperm (fern) spore case.

Upper Cherokee Group

Knob Noster, Missouri:

post-6808-0-21399600-1375601270_thumb.jpg

post-6808-0-64577800-1375601263_thumb.jpg

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Intricate is right! Very fine fossils :wub:

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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Ok, Missiourian you've been holding back and I'm liking it!

Wow are those great specimens....incredible detail, the first one especially. Thanks for the photos/post. Regards, Chris

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Mitch,

Thanks for posting these!

Something I have not seen before - very cool!

Regards,

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

__________________________________________________
"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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Here are some cones posted in another thread....

Calamostachys sp.

Bonner Springs Shale

Platte County, Missouri

post-6808-0-02411800-1375257165_thumb.jpg
post-6808-0-47174900-1375257182_thumb.jpg
Clusters:
post-6808-0-23158200-1374825859_thumb.jpg
post-6808-0-61156700-1374825846_thumb.jpg
Edited by Missourian
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Calamostachys sp.

Upper Cherokee Group

Knob Noster, Missouri

post-6808-0-75806200-1375682918_thumb.jpg

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Calamostachys sp.

Tonganoxie Sandstone

Franklin County, Kansas

post-6808-0-15166800-1375687299_thumb.jpg

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Cone of Sphenophyllum

Sphenophyllostachys sp.

Tonganoxie Sandstone

Franklin County, Kansas

post-6808-0-03228700-1375773905_thumb.jpg

post-6808-0-11327100-1375773899_thumb.jpg

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Sweet! :wub:

Keep 'em coming!

The breadth of your collection is staggering.

Thanks for posting these.

Regards,

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

__________________________________________________
"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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Have to add a 2nd Wow after my earlier first Wow! I did also find your earlier fantastic plant thread from last year as I figured I was sleeping again and missed something. I did! Great material! Regards, Chris

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Some seeds

Tonganoxie Sandstone

Franklin County, Kansas

post-6808-0-57280800-1375861997_thumb.jpg

Where did they come from? Probably from the cone on the back of the slab:

post-6808-0-20960000-1375862049_thumb.jpg

This may be Lepidostrobus. Closer in:

post-6808-0-04354400-1375862082_thumb.jpg

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More seeds from the vicinity:

post-6808-0-04254200-1375862217_thumb.jpg

A couple up close:

post-6808-0-32048300-1375862209_thumb.jpg

These remind me of Corn Nuts :) :

post-6808-0-92557400-1375862482_thumb.jpg

Edited by Missourian
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  • 2 weeks later...

Very nice collection of fructifications! Did the taphonomic conditions prevailing at of your locality favour the preservation of reproductive structures or were you just incredibly lucky?

Searching for green in the dark grey.

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Very nice collection of fructifications! Did the taphonomic conditions prevailing at of your locality favour the preservation of reproductive structures or were you just incredibly lucky?

The plant-bearing deposits are very local in extent, as is typical of the Midcontinent Pennsylvanian. Plus, we had to go through a lot of leaves and a whole lot of rock to find the fruiting structures. Of all the deposits, the Bonner Springs site seems to have the highest fruit-to-leaf ratio.

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