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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

Found 198 results

  1. Patriaspirifer duodenaris (Hall 1843)

    Found as surface float on the scree pile at the Kashong exposure. Originally assigned to Delthyris, reassigned to Spirifer, Acrospirifer, and Patriaspirifer. Alternate spellings: P. duodenaris, P. duodenaria, P. duodenarius. Does not appear in Fossilworks or Wilson’s “Field Guide to the Devonian Fossils of New York”. Classification information from Fossilworks entry for Patriaspirifer genus. Reference: Linsley, D. M. Devonian Paleontology of New York. (1994) Paleontological Research Institution Special Publication 21. Hall, J. Palaeontology of New York v. 4. (1867) Fossilworks. http://fossilworks.org Yale Peabody Museum Collections website (http://peabody.yale.edu/collections/invertebrate-paleontology)
  2. I'm looking to add a specimen to Collections (my blastoid, seen at this link: LINK), and I'm hung up on Order and Family. My field guide gave me the genus and species, and Wikipedia gave me the Class, but I can't seem to find any sites online that routinely show Order and Family--except TFF's Collections, which doesn't (yet!) include any blastoids. Can anyone point me to a resource where I can find this info for a variety of Devonian and Ordovician fossils?
  3. Paleozoic fish tooth?

    I found this little tooth while going through some bulk sample from Jacksboro, TX, which is a Pennsylvanian area. I have found shark teeth there, but this looks more like a fish tooth. It reminds me of an Enchodus tooth, but I am not aware of any that were in the Paleozoic. Any ideas? The scale hash marks are 1mm. Thanks for any help.
  4. classical observations

    Thought it would be nice to post an oldie(1922)** yakowecolinteractgastropcrinoidZoolAnzc1922_0291-0294.pdf The author "leans towards" Simroth's theory that commensalism (and/ or mutualism)evolved from "parabiosis*",because the gastropod can sometimes be found attached to the crinoid stele . *apparently:the simple phenomenon of attachment,without connotations about causes or substrate preference . The frequent (obligatory,almost?)co-occurence of the fossils is explained by the life-long interaction itself: when the crinoid dies,the gastropod dies. (probable naticid gastropod boreholes can be found on some "infested" crinoids) The attachment scar of the gastropod are concentric,the gastropod aperture has an excentric location,to keep the aperture covering the anal aperture of the crinoid. The erosion/(resorption?) of the anal proboscis may be due to the gastopod Small circular depressions are tentativel attributed to early ontogenetic failed predation attempts by juvenile gastropod **and I am aware of the more recent literature on this subject havent read yet
  5. Anthroacantha carpenteri

    This silvery gray crown of a fossil Crinoid is quite impressive for its vascular arrangement of arms and protruding aboral cup. However, it is the nature of its preservation that makes this piece very special. The fossil is pyritized as the metallic mineral Pyrite replaced the organic matter during mineralization.
  6. Hi all, I am looking to obtain some more brachiopods for in my collection, mostly because I think that it's a fascinating group of animals. Unfortunately, I do not have many of them. Therefore I'm asking the help of you all! This is what I want: Brachiopods (spiriferid or not) from any continent (preferably not from Europe) from the Paleozoic. I don't need a lot, just a few different ones to widen my collection! Having from many different locations would be nice too. I already have the following though, and as to avoid having duplicates I am not interested in these: Platystrophia from Maysville (KY, USA) Punctopsirifer from Beckenridge (TX, USA) Terebratula perforata from Kaloot (NL) Cyrtospirifer verneuilli from Barvaux-sur-Ourthe (BE) Atrypa reticularis from Eifel (DE) Cererithyris and Kallirhynchia from Lion-sur-Mer (FR) If you have one of those species (but from another location), I'm still interested! Or if you have other species but from the same location, same goes! What I don't want is to have the same species from the same location. In return, I have a selection of different (mainly) European fossils, ranging from shark teeth to seashells (and a few brachiopods ), and many other things. I also have several fossils from closed locations! If you're looking for anything specific yourself, then you can always ask me and I'll see what I have. If you're interested and have anything to propose, please send a PM! Thanks in advance! Max PS: for international shippers, make sure that the shipping costs to the Netherlands are not too high. I'm willing to ship to anywhere, but I just want to make sure that this is both ways! (No Track & Code needed; no signing needed; no priority needed; envelope is better)
  7. Trilobites!

    From the album Beltzville State Park

    Trilobite segments found just below the water line in the lake at Beltzville State Park, PA Devonian Manhatango Formation
  8. Beltzville Beauties!

    I made a gallery of this weekend's collecting adventure. Enjoy!
  9. Tabulate Coral

    From the album Beltzville State Park

    Pleurodictyum americanum Devonian Manhatango Formation Beltzville State Park, Beltzville, PA Thank you to @fossildude19 for the ID!
  10. From the album Beltzville State Park

    Brachiopod internal mold with crinoid impression Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  11. Brachiopod

    From the album Beltzville State Park

    Brachiopod Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  12. Bryozoan

    From the album Beltzville State Park

    Bryozoan Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  13. Rugose Coral

    From the album Beltzville State Park

    Solitary Rugose Coral Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  14. Crinoid Stem Pieces

    From the album Beltzville State Park

    Crinoid Stem Pieces Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  15. Hash Plate

    From the album Beltzville State Park

    Death Assemblage crinoids, brachiopod Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  16. Brachiopod

    From the album Beltzville State Park

    Brachiopod Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  17. Rugose Coral

    From the album Beltzville State Park

    Rugose Coral Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  18. H.A.Nicholson on tabulata

    As is (almost) customary in the 19th century,some bryzoans are thrown in with the corals Pleurodictyum
  19. the Paleozoic of Canada

    here Yes,the taxonomy is/might be obsolete,but............... Let's see if I've done some people a favour here
  20. The Carboniferous of the USA

    for those with catholic tastes in stratigraphy Do NOT expect pictorial exuberancy,it's more of a tabulation of lithologies and their stratigraphic interpretation than anything else
  21. Geodized Rugose Coral Mold

    From the album Delaware Fossils

    Rugose Coral Paleozoic Delaware River, New Castle, Delaware
  22. Crinoid Stems

    From the album Delaware Fossils

    Crinoid Stem Sections Largest is about 2 mm across. Delaware River, New Castle, Delaware
  23. Rugose Coral- top view

    From the album Delaware Fossils

    Rugose Coral Paleozoic Bowers Beach, Kent County, Delaware
  24. Coral

    From the album Delaware Fossils

    Possibly Syringopora Paleozoic Cape Henlopen, Lewes, Delaware
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