Jack Kallmeyer @jkallmeyer
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3 weeks, 6 days agoJack Kallmeyer joined the group Cincinnatian Collectors -
1 month, 1 week ago
@greg-kessinger Canadian pebble is probable. The material on the surface would not have survived the glacial action that rounded the pebble. My thought is that this is a post glacial mineralogic creation, perhaps caliche?
From my own experience, I have a small pebble that I found as a kid that was split in two with both sides together. It is red sandstone (?) and inside is the impression of a Devonian brachiopod. So this one made it from Canada to Dayton, Ohio.
The other improbable specimen was found by a fellow Dry Dredger here in Cincinnati. This was a small slab with a complete well preserved Devonian Phacops trilobite from the Toledo, Ohio area. How that survived is unimaginable.
Jack
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1 month, 2 weeks agoJack Kallmeyer updated their own Fossil #024968
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1 month, 2 weeks agoJack Kallmeyer uploaded a new image to Fossil #024968
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1 month, 2 weeks agoJack Kallmeyer uploaded a new image to Fossil #024968
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1 month, 2 weeks agoJack Kallmeyer updated their own Fossil #004322
Classification
From
kingdom
Plant
To
kingdom
Animal
From
phylum
Rhodophyta
To
phylum
Porifera
From
class
To
class
Demospongiae
From
family
To
family
Chaetetidae
From
genus
To
genus
Solenopora
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1 month, 2 weeks agoJack Kallmeyer updated their own Fossil #005424
Classification
From
kingdom
Plant
To
kingdom
Animal
From
phylum
Rhodophyta
To
phylum
Porifera
From
class
To
class
Demospongiae
From
family
To
family
Chaetetidae
From
genus
To
genus
Solenopora
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1 month, 2 weeks agoJack Kallmeyer commented on their own Fossil #007022
Further study of these specimens through thin section analysis reveals an internal structure equivalent to the type specimens for Solenopora. I have changed the classification here to reflect that.
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1 month, 2 weeks agoJack Kallmeyer updated their own Fossil #007022
Classification
From
kingdom
Plant
To
kingdom
Animal
From
phylum
Rhodophyta
To
phylum
Porifera
From
class
To
class
Demospongiae
From
family
To
family
Chaetetidae
From
genus
To
genus
Solenopora
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1 month, 3 weeks agoJack Kallmeyer posted a new activity comment
Jen, I just realized I missed your point. Yes, this can be added to the other one. I don’t know why I thought you were deleting it altogether. Sorry.
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1 month, 3 weeks agoJack Kallmeyer posted a new activity comment
7045 is the only image that shows arrows illustrating growth direction. Viewers don’t have to think about what I am trying to convey that this thing is growing in a 360 degree manner. If you just want pretty pictures of the fossils then you can eliminate this one but I did this to convey a point.
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1 month, 3 weeks agoJack Kallmeyer posted a new activity comment
Probably but that would be assuming I knew how to do that 🙂
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1 month, 3 weeks agoJack Kallmeyer commented on their own Fossil #006937
One cheat is that large trackways have to be either Isotelus or Eurypterid. The later would be exceedingly rare. Also, the Isotelus tracks have a trifid ending on the nicely preserved ones while Flexis won’t.
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1 month, 3 weeks agoJack Kallmeyer posted a new activity comment
I agree with Bill – Protarea richmondensis – a coral
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3 months, 1 week ago
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3 months, 3 weeks ago
<span class=”atwho-inserted” contenteditable=”false” data-atwho-at-query=”@david-p”>@david-powers</span> Your mesh objects are bryozoan fronds. Possibly from the genus Archimedes. I’m not familiar with this particular formation but in the Mississippian of Indiana they would be from Archimedes most likely.
Jack
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4 months, 4 weeks agoNathan Newell and Jack Kallmeyer are now friends -
5 months, 3 weeks ago
@nathan-newell, @evan-walsh My thought was a moldaic preservation of a crinoid stem segment.
Jack
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6 months, 3 weeks agoMackenzie White and Jack Kallmeyer are now friends -
7 months ago
@geoff-ruonavarra I don’t see any fossils myself. It looks like a piece of man made terrazzo or something that was cut with a diamond saw. A natural break would not be that smooth and parallel sided, especially since the smooth break goes through all the clasts with no unevenness. That’s my opinion.
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