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  1. historianmichael

    Annularia stellata

    From the album: Llewellyn Formation Plants of Pennsylvania

    Annularia stellata Late Pennsylvanian Llewellyn Formation Schuylkill Co., PA
  2. I received an e-mail from a good friend this week asking me if I wanted to go with him and two other of his friends collecting at a place that would fall in the area of Pit 4. Knowing that I always loved the stuff that I had collected in Pit 4 in the past, I decided to go with him to this spot, which was new for me. The weather was great this morning, around 57 degrees and it only sprinkled for about 5 minutes. Since this was a new site for me, I was not as discriminating as I might be in other locations. I only stayed for 2 hours since I have to head home, shower and then drive another hour i
  3. historianmichael

    Annularia stellata

    From the album: Llewellyn Formation Plants of Pennsylvania

    Annularia stellata Late Pennsylvanian Llewellyn Formation Schuylkill Co., PA
  4. historianmichael

    Annularia stellata

    From the album: Llewellyn Formation Plants of Pennsylvania

    Annularia stellata Late Pennsylvanian Llewellyn Formation Schuylkill Co., PA
  5. historianmichael

    Annularia stellata

    From the album: Llewellyn Formation Plants of Pennsylvania

    Annularia stellata Late Pennsylvanian Llewellyn Formation Schuylkill Co., PA
  6. historianmichael

    Annularia stellata

    From the album: Llewellyn Formation Plants of Pennsylvania

    Annularia stellata Late Pennsylvanian Llewellyn Formation Schuylkill Co., PA
  7. paleoflor

    Annularia sp.

    From the album: Steinbruch Piesberg (Osnabrück, Germany)

    © T.K.T. Wolterbeek

  8. Hi All, So I recently got this slab with a Annularia and Laevinopteris The seller claims that the bumps on the leaf surface are the seeds. Is this correct? TBH I am not too fussed either way, as I would have probably bought this without this "feature".
  9. Plant lovers rejoice! New Species of Annularia in Portugal described. Also had a fossil insect gall https://sciencex.com/news/2020-04-species-ancient-horsetail-gall-reveals.html
  10. juan

    Annularia Sphenophylloides

    From the album: Plants

    Annularia Sphenophylloides from the Upper Carboniferous of Spain.
  11. Conditions in Western PA have been unusually warm recently, with highs in the 40s and 50s. I decided to take advantage of this warm spell by getting a little bit of fossil hunting in. I decided to do a hunt focused on plants as I’ve been hunting for vertebrates for the better part of the last year and a half and, although I could never get tired of vertebrates I thought some variety was well overdue. So I headed to one of my favorite plant localities in the area. It is located in the Connellsville Sandstone of the Casselman Formation, which is in turn the upper half of the Conemaugh Group. T
  12. L.S., To liberate storage space, I would like to offer the following plant fossils for trade. All specimens below come from the Late Carboniferous of the Piesberg quarry near Osnabrück (Germany). Scale on photographs in centimetres (1 inch = 2.54 cm). Specimens B, C, F and G show neuropterid fronds of various sizes (most likely Laveineopteris rarinervis). Note specimens B and G were recovered broken and have been glued/repaired. Specimen E is a large plate and shows reproductive structures of Calamites (E-1), a Laveineopteris frond (E-2), a strap-like Cordaites leaf, and some Annul
  13. verydeadthings

    Mazon Creek fossil plants: Part 1

    Hi guys! Long story short, a rather large collection of Mazon Creek fossils has been donated to my university. I thought I'd share some pictures of the collection and confirm some preliminary identifications. There are a lot of specimens so I will probably split this into two posts. Annularia radiata Annularia stellata A whole bunch of Annularia stellata?
  14. These were fossils my dad found over 20 years ago I think and gave to me maybe 10 yrs ago. I had completely forgotten about them. My dad use to be a land man for an oil and gas company. So he traveled the area extensively trying to get leases to drill for gas. I believe they are from somewhere near Mansfield, Arkansas from the Atoka or McAlester formations, both of which are Pennsylvanian. Any my help with ID would be greatly appreciated. First Piece The longest blade is about 55 mm long by 13 mm wide. A close up of some of the blades
  15. Dpaul7

    Annularia Fern Plant Leaf Fossil.jpg

    From the album: MY FOSSIL Collection - Dpaul7

    Annularia Fern Plant Leaf Fossil Mazon Creek Formation, Francis Creek Shale, Braidwood, Illinois Pennsylvanian, Upper Carboniferous - 300 million years ago Annularia is a plant fossil belonging to the order Equisetales. Annularia is a form taxon. It is the name given to Calamites leaves. In fact the stems and the radiating structures of the leaf whorls is similar in the Calamites, an extinct genus of horsetails. These horsetails, belonging to the class of Sphenopsida, were arborescent and grew to a height of 32 feet (10 meters) in a tree-like form. Annularia leaves are arranged in who
  16. Dpaul7

    Multiple Plants A.JPG

    From the album: MY FOSSIL Collection - Dpaul7

    Multiple Plant Fossil - Neuropteris, Pecopteris, Annularia Plant, other leaves. *Two-sided fossil Ferndale area of Johnstown, Pennsylvania, USA Pennsylvanian - 323.2 -298.9 million years ago Fossils on both sides of specimen. This fine specimen shows two leaflets of Calamites, a member of the Calamitales which belong to the Sphenophytes. Whorls of small leaflets are arranged concentrically around a thin stem and are called Annularia or Asterophyllites. Calamites itself is the name originally given to a stem section, but now applies to the entire plant. These were indicative of
  17. Dpaul7

    Multiple Plants A.JPG

    From the album: MY FOSSIL Collection - Dpaul7

    Multiple Plant Fossil - Neuropteris, Pecopteris, Annularia Plant, other leaves. *Two-sided fossil Ferndale area of Johnstown, Pennsylvania, USA Pennsylvanian - 323.2 -298.9 million years ago Fossils on both sides of specimen. This fine specimen shows two leaflets of Calamites, a member of the Calamitales which belong to the Sphenophytes. Whorls of small leaflets are arranged concentrically around a thin stem and are called Annularia or Asterophyllites. Calamites itself is the name originally given to a stem section, but now applies to the entire plant. These were indicative of
  18. TheRocksWillShoutHisGlory

    Annularia

    From the album: Mazon creek assortment

  19. TheRocksWillShoutHisGlory

    Annularia with stem

    From the album: Mazon creek assortment

  20. Jeffrey P

    Annularia from PA.

    From the album: Carboniferous from PA.

    Annularia sp. (string) Pennsylvanian Llewellyn Formation Carbondale, PA.
  21. AHoffman

    Annularia whorl

    From the album: Fowler Park - Vigo County, IN

    Form Species - Annularia stellata Shelburn Formation - Middle Pennsylvanian Chieftain Mine (Fowler Park) - Vigo County, IN Length: 35mm

    © Andrew Hoffman

  22. AHoffman

    Partial Annularia Whorl

    From the album: Fowler Park - Vigo County, IN

    Form Species - Annularia stellata Shelburn Formation - Middle Pennsylvanian Chieftain Mine (Fowler Park) - Vigo County, IN Length: 35mm

    © Andrew Hoffman

  23. lissa318

    Plant Id's

    This is Washington, PA dunkard group. I am starting with one and will be adding pics of other plant material to this same post. I have a couple.... #1 (the piece I found is a fairly large size... Let me know if additional pic would help)
  24. On our 4th visit to St. Clair, we set a goal to find some of those iconic "scale trees" we keep reading about - the now extinct lycopsid trees with the pock-marked "scaled" trunk and roots. The bark is pock marked with scars left by the leaf stalks and rootlets when they fall off. Did we find Scale Trees? Boy, did we ever! In addition to the samples we collected, Nancy and I found some incredibly cool samples embedded in large boulders, on the floor of the quarry, even on the trail - these are either fragile or positioned on boulders so they can't be extracted without shattering them, s
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