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Found 27 results

  1. apologies if repost:Phacopidae

    Cr-nier-2013-Palaeontology.pdf MORPHOLOGICAL DISPARITY AND DEVELOPMENTAL PATTERNING: CONTRIBUTIONOF PHACOPID TRILOBITES Catherine Cronier Palaeontology,56/6,2013 edit: probably NOT a repost,unless someone grossly misspelled ""disparity"
  2. Borg!

    Folke Borg On the body wall of Bryozoa Journal of Cell Science/1926/s2-70 *TAKES a deep BOW* very little of this great bryozoologist can be found online. Which is disappointing,he said ,with a great feeling for understatement borgfolke{jcelsciontogeindispensabodywall1926bryozo1923(watersharmervigeliu)phylog.pdf recommended If anyone knows of any other accessible(non paywalled)online pieces by him,please tell me (edit NOT counting his piece on the recent dulcaquicole bryozoa of the Sahara*) *seemingly: Fredericella and Membranipora
  3. old beetles record

    this being: Whirling in the late Permian: ancestral Gyrinidae show early radiation of beetles before Permian-Triassic mass extinction Evgeny V. Yan,1,2 Rolf G. Beutel,1 and John F. Lawrence3 BMC Evol Biol. 2018; 18: 33. Published online 2018 Mar 16. doi: 10.1186/s12862-018-1139-8 1,63 MB yanbeutelcoleopterentomollagersts12869-8.pdf
  4. Suckers!

    2010_Fuchsel_belemollupoolidsuckers.pdf o,5 mb or less,and INNERESTIN!!!!!!
  5. IOW UK dino

    Kats Looking forward to the dental microwear analysis already
  6. Need help with trilobite morphology

    I'm starting to sort through the trilobites I found at Oak Springs and need some help. My degree is in electrical engineering, which means when I was in college I never had to take any of those pesky courses in biology, zoology, etc. But that puts me at a disadvantage now as I read through the descriptions of the candidate trilobites and try to make sense of them. There are a fair number of papers published on the trilobites of the Cambrian in California and Nevada. To help identify what I have collected I'm using this one: Carrara Formation. Here is where I am having difficulty. The descriptions in this paper include features that don't appear on the diagrams I have of trilobite morphology. I have compiled one example here: Gilberti.pdf (reproduced as a low-res JPEG below). The color photo at the top is the specimen I'm trying to identify. I think it might be an Olenellus gilberti, so I have pasted that description below the photo, along with three photos of O. gilberti from the paper. (Below those photos is a diagram of trilobite morphology I pulled from the Internet.) The description of O. gilberti includes at least two features that don't show up on the morphology diagram: occipital ring (is this the same as occipital lobe?) and intergenal spine (I don't think this is the same as genal spine?). More concerning to me is this part of the description: "Glabella elongate, separated from frontal border by preglabellar area as wide or wider than anterior border." In my novice opinion, the examples in photos 6-8 from the paper show glabellas that extend pretty much all the way to the anterior border. In my specimen the preglabellar area is much wider, which would seem to be more consistent with the written description. Any help would be appreciated. Of course I'd like to identify the specimen, but what I'd really like are pointers on how to interpret the morphology descriptions. Maybe I've got an O. fowleri instead of O. gilberti, but if I don't understand how to interpret the descriptions I won't be successful in identifying it. Is there a book I should lay my hands on?
  7. functional anatomy of Stylommatophora

    I liked it,but that's no guarantee you will schileyshiley.pdf I've included some illustrated taxa in the tags. It's write-protected so I can't post any outtakes
  8. gastropods do have a price

    unreservedly recommended by me Pricecolumelgastrop(BUSYCON)functmorphconchbiomineralizBull.pdf
  9. Apex?Que?

    When three guys with that kind of reputation in echinodermology get together to write a paper,you just KNOW it's going to be good. Highly recommended,particularly if you love your Loven,Mortensen,Raff,etc. Extremely well illustrated,IMHO Saucepourtpical 04 me.pdf
  10. Members of the Green Party

    A pretty useful capsule review of leaf shapes in ferns. Recommended?You betcha. vascofernleaveslaminbotanyreviewnfpls-04-00345.pdf outtake:
  11. If anybody has read any Shubin,Clack,Coates,etc:this is indispensable,IMHO dioja37592.pdf wonderful coloured diagrams in this one,this is one of them
  12. inc.sedis,continued

    large download,about 24 Mb
  13. molluscan oddity

    All of you who are into malacology might be surprised by this beastie. edmu3.tb01640.x.pdf
  14. Ammonite sculpture question

    I am sculpting an ammonite which will be hunting through kelp fronds. The ammonite i want to use for this sculpture is crioceratites or something closely related. I like the spines and overall shape. My question is how many spines around each band of the shell? Five or six? Thanks for any help you might provide.
  15. Mosasaur teeth Morphology

    I bought this fossil mosasaur tooth. It came from Morocco, from some phosphate deposits. The size is very small about 2 centimeters I'm wondering if this tooth was from a juvinile. I have heard that each mosasaur has it's own tooth morphology even in species who's teeth are very similar like Prognathodon and Mosasaurus. The tooth is very unusual from others I have. It is very curved. Photo of tooth Other side
  16. cephalopod anatomy

    read this. Period. Priceless Damesites reconstruction!!! srep33689.pdf
  17. dictionary of invertebrate zoology

    This might be useful. Is it complete,is it any good? if you stumble acros that one annoying term that keeps you from reading further.... Does anyone know of something comparable,BTW? http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1001&context=onlinedictinvertzoology EDIT: ok did a little test anderidia:not in there synapticulotheca: not in there Do I know these words? Yes,i do,and probably everybody else here interested in brachs or corals come to think of it:anderidia mayby just in fossil brachiopoda? Maybe i'm being too harsh edit two: matrotrophy: not in there
  18. shake a leg

    some of you might have Cisne,this one is a bit more rare large file NB get it while you can(edit 26/10:which is up to Nov 6th.) http://rstb.royalsocietypublishing.org/content/royptb/317/1182/1.full.pdf
  19. gripping

    chelipeds,a short review maraippcheliped32.pdf
  20. full size?

    This is not an ID question, but more a morphology one to determine likely size. I can't recall where I once chanced upon a formula for judging what the full size of a trilobite (pending species) would have been on the basis of a fragment. This one would have been a fairly substantially sized bug, but not by any means the biggest. It is a typical Eldredgeops rana. It is likely just a moult, and perhaps there is a (very) slim chance I might be able to find the full one in the vicinity. Measuring to just at where the halfway point of the glabella is, I get a reading of 1.8 cm (0.71 inches) for a possible total width at the cephalon of approximately 3.6 cm (1.42 inches). Any experts have the "magic formula" for measuring this species so that I can perform this on some of my other specimens?
  21. Here's a treat for the troops. These have been hidden from public and scientific view since they were acquired from the finder. I purchased them from a civil war relic hunter and collector, who claimed to have these found together, but he wouldn't divulge exactly where. I suspect coastal Charleston, north to possibly southern NC, based upon his distance of travel from the sale, which was the old Civil War Museum, located in downtown Myrtle Beach - Mid 90's.(A friend who worked there, alerted me of the seller's presence.) The owner also collected fossils and displayed these, so it was known as a place of trade and sale for both artifacts and fossils. When I first saw them, I immediately recognized the possibility that they were a pair, and likely land finds, but what I didn't expect to discover, was their curious potential axial relationship. Published relative axial ratios of known or suspected associated sets reveal similar math to what I've found in these Both appear to be from the same side of the jaw, which makes a reasonable argument for how they may have literally, come together in the first place. I've managed to contact one nationally recognized expert who seems intrigued. Unfortunately, there's probably no DNA remaining, but if you've ever watched Forensic Files on TV, more than just DNA is often used to establish beyond a reasonable doubt. I think this is also a good time for a poll, recognizing of course that you can't see these in person.