Sayitis Posted May 9, 2020 Share Posted May 9, 2020 This piece was found in the same stream bed that I have collected petrified wood from. The area in south of the Dinosaur Park in Laurel MD, the stream runs though College Park MD and is close to areas where foot prints of Cretaceous dinosaurs have been found. 1 Link to comment Share on other sites More sharing options...
grandpa Posted May 9, 2020 Share Posted May 9, 2020 I'm thinking you may have a sponge there. 1 Link to comment Share on other sites More sharing options...
Sayitis Posted May 9, 2020 Author Share Posted May 9, 2020 That would be interesting, the area went though a lot of changes back and forth from bog to shore line. The reason I asked for help was that it didn't show any normal wood structure that I was familiar with. Sponge is a good start, thanks. Link to comment Share on other sites More sharing options...
Rockwood Posted May 10, 2020 Share Posted May 10, 2020 I think I will stay in the plant kingdom with my sack of popped corn for now. Link to comment Share on other sites More sharing options...
Sayitis Posted May 11, 2020 Author Share Posted May 11, 2020 There does seem to be structure that you could call vessels and from the end it's clear that they are oriented up and down suggesting transport of nutrients. Missing is any sign of growth ring or rays. The cell/vessel structure is really interesting crisscrossing as they progress. Beats me. Link to comment Share on other sites More sharing options...
Rockwood Posted May 11, 2020 Share Posted May 11, 2020 Palmoxylon can have a variety of appearances. I'm thinking perhaps that or another large monocot. Link to comment Share on other sites More sharing options...
Sayitis Posted June 11, 2020 Author Share Posted June 11, 2020 Thanks Rockwood. I'm out in AZ for some R&R collecting. I'll follow up and dig into monocot lead. Link to comment Share on other sites More sharing options...
Sayitis Posted July 9, 2020 Author Share Posted July 9, 2020 Found another piece in nearly the same spot as the first one. As near as I can tell from on line search it's palm wood. Thanks Rockwood for pointing me in the right direction. 1 Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted July 9, 2020 Share Posted July 9, 2020 That's a beautiful specimen -- I love plants. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
abyssunder Posted July 9, 2020 Share Posted July 9, 2020 Your second specimen looks to be nicely bored. " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
Sayitis Posted July 11, 2020 Author Share Posted July 11, 2020 It's been a real enriching experience over time finding, mapping and trying to identify the pieces I've found. I've built mounts for some of the larger ones. 1 Link to comment Share on other sites More sharing options...
Rockwood Posted July 11, 2020 Share Posted July 11, 2020 On 7/9/2020 at 5:37 PM, abyssunder said: Your second specimen looks to be nicely bored. You don't suppose the first one has been bored by fungal hyphae ? Link to comment Share on other sites More sharing options...
Sayitis Posted July 11, 2020 Author Share Posted July 11, 2020 Looks more like fungal bore then insects. Thanks for that observation. Link to comment Share on other sites More sharing options...
val horn Posted July 11, 2020 Share Posted July 11, 2020 Is it tempskya wood. A Cretaceous multi stemmed fern tree 2 Link to comment Share on other sites More sharing options...
Sayitis Posted July 11, 2020 Author Share Posted July 11, 2020 To my eye the detail on the end doe not show indication of several stems growing upward in more or less parallel. But your suggestion did prompt me to learn something new today , thank you. Link to comment Share on other sites More sharing options...
Sayitis Posted July 27, 2020 Author Share Posted July 27, 2020 Update. I sliced the end off the specimens to get a better idea about the structure. Van Horn your suggestion that it might be tempskya wood may be the right one. It does seem to have features similar to those of other photo references I've found. The larger has the same external features so is likely the same type as the smaller one. 1 Link to comment Share on other sites More sharing options...
Rockwood Posted July 27, 2020 Share Posted July 27, 2020 Tempskya definitely seems a good match for the top photo in the sliced example. Link to comment Share on other sites More sharing options...
Sayitis Posted July 27, 2020 Author Share Posted July 27, 2020 Rockwood The surface morphology of the two are so similar would you agree they are probably both Tempskya? I'll have to add these to my treaties on Greenbelt petrified wood. Link to comment Share on other sites More sharing options...
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