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Found 29 results

  1. get your teeth into this

    Development and Evolution of Dentition Pattern and Tooth Order in the Skates And Rays (Batoidea; Chondrichthyes) Charlie J. Underwood,*, Zerina Johanson,, Monique Welten,, Brian Metscher,Liam J. Rasch,, Gareth J. Fraser,, Moya Meredith Smith Citation: Underwood CJ, Johanson Z, Welten M, Metscher B, Rasch LJ, Fraser GJ, et al. (2015) Development and Evolution of Dentition Pattern and Tooth Order in the Skates And Rays (Batoidea; Chondrichthyes). PLoS ONE 10(4): e0122553. https://doi.org/10.1371/journal.pone.0122553 given the collective NOUS and expertise of the authors:DO NOT MISS THIS ONE!!!
  2. deep sclerochronology

    robiproufliersclerogeochemDSRDSRII2014.pdf The geochemistry of deep-sea coral skeletons: A review of vital effects and applications for palaeoceanography Laura F. Robinson, Jess F. Adkins , Norbert Frank , Alexander C. Gagnon ,Nancy G. Prouty , E. Brendan Roark , Tina van de Flierdt Deep Sea Research 99,2013
  3. Bagaceratops ontogeny

    Hi, Is there a copy of the following paper that anyone would like to send me: Łukasz Czepiński (2019). Ontogeny and variation of a protoceratopsid dinosaur Bagaceratops rozhdestvenskyi from the Late Cretaceous of the Gobi Desert. Historical Biology: An International Journal of Paleobiology. in press. doi:10.1080/08912963.2019.1593404. With respect to Bagaceratops ontogeny, there's been previous rumblings in the literature about Gobiceratops, Lamaceratops, Magnirostris, and Platyceratops being just individual or growth stages of Bagaceratops because they're not just similar but also based each on 1 specimen.
  4. What brought this on, pt 2

    hirasawanatuaeomms3107.pdf less than 3 Mb(obviously) The endoskeletal origin of the turtle carapace Tatsuya Hirasawa, Hiroshi Nagashima & Shigeru Kuratani NATURE COMMUNICATIONS | 4:2107 | DOI: 10.1038/ncomms3107 |www.nature.com/naturecommunications Amazing,if only(but not restricted to)for the link between neontology and paleontology. @Tidgy's Dad
  5. devonian bryozoa of the United States

    BOAR Trepostomatous Bryozoa of the Hamilton Group of New York State By RICHARD S. BOARDMAN GEOLOGICAL SURVEY PROFESSIONAL PAPER 340 about 25 MB HIGHLY RECOMMENDED Among the subjects covered: Stereotoechid wall structure.__.--_---____ 30 Leioclemid wall structure_---_------_-___ 30 Trachytoechid wall structure.------------ 31 Leptotrypellid wall structure _____________ 32 Atactotoechid wall structure__-_-____.___ 32 Zoarial growth and taxonomy. ___________________ 33 Distribution of morphologic characters within Hamilton zoaria.--_--------------___-____ 33 Zoarial variation and species criteria. ____---__ 35 Mode of ramose zoarial growth.___________________ 38 People like Boardman,McKinney,Lidgard and Taylor got me interested in Bryozoa,back in the days
  6. Who are you calling dimorphic

    Parent_1997-Geobios.pdf Ontogeny and Sexual dimorphism of Eurycephalites gottschei(Tornquist)(Ammonoidea) of the Andean Lower Callovian(Argentine-Chile) Geobios 30-3,30-6-1997 recommended? You bet!! Avoid if allergic to quantitative analytic data treatment
  7. so what brought this on?

    Gaspard Daniele Gaspard Growth stages in Articulate brachiopod shells and their relation to biomineralization in: Brachiopods through time Proceedings of the Second International Brachiopod Congress,Dunedin,New Zealand/1990 edited by D.I.Mckinnon,D.E.Lee,J.D.Campbell recommended? you bet Do not simplistically assume more or less linear relations in the accretionary growth of marine invertebrates!!! I have posted before on the relation between size/shape/ontogeny/life history/ecology( I think)
  8. African theropoda

    lakinlongrichspinosaujuvenilmoroc1-theropafricadinosontogs2.0-S0195667118302052-main.pdf Rebecca J.Lakin, Nicholas Longrich: Juvenile spinosaurs (Theropoda.Spinosauridae) from the Middle Cretaceous of Morocco and implications for spinosaur ecology. 3,77 Mb Recommended, given authors and source publication (Els**ier's editorial policies are strict and thorough, as such things go.) Note: co-coccurence of adult and juveniles. Enjoy, dinosaur lovers.
  9. intriguing Sarmatian bryozoan

    pauldtayontoanbryozLBB_0038_1_0055-0064.pdf About 0,71 MB Recommended ,not in the least because of the stature of the first author. Short,well illustrated,informative Taylor et al:Unusual Early Development in A cyclostome bryozoan from the Ukrainian Miocene Linzer Biol.Beitr.38/1,2006
  10. Variation in Mesozoic cephalopoda

    morardguex081-090.pdf Bull.Soc.Geol.Fr,t.174-6/2003: Ontogeny and covariation in the Toarcian genus Osperleioceras
  11. Death ray

    Giuseppe Marramà, Kerin M. Claeson, Giorgio Carnevale & Jürgen Kriwet(about 4 Mb) (2018) Revision of Eocene electric rays (Torpediniformes, Batomorphii) from the Bolca Konservat- Lagerstätte, Italy, reveals the first fossil embryo insitu in marine batoids and provides new insights into the origin of trophic novelties in coral reef fishes, Journal of Systematic Palaeontology, 16:14, 1189-1219, DOI: 10.1080/14772019.2017.1371257 Sensitive people should beware of figs. 15 and 16 I resisted the temptation (lover of classic photography) to work Man Ray in there somewhere
  12. Tylosaurus Skulls Described

    The attached paper describes the partial and complete skulls of the mosasaur Tylosaurus proriger from the Niobrara Formation of Kansas https://journals.library.ualberta.ca/vamp/index.php/VAMP/article/view/29339
  13. Theropods and heterochronic processes

    curpodam-the-upper.pdf 1,22 MB, and worth your while Recommended
  14. The paleobiology of a winged reptile

    wankelhamiptchina.full.pdf 2,3 Mb Recommended, and then some
  15. Not settled yet

    I consider this important insofar as the various reasons for ,and processes involved in,marine invertebrate settlement are still being elucidated. uedanitrogenporiferasrep37546.pdf A must read for those with an interest in marine (paleo)-ecology Recommended for the deliciously informative fig.7 alone. 2,8 Mb,and it's from THAT journal
  16. 2medic usa2medictyranmaxiljuveonto-847774-1-PB.pdf
  17. wild and woolly

    tikhomamm2012proboslagerstQuatIntFisher.pdf
  18. Dinosaur Growth Ontogeny

    I'm sure most of you know about Jack Horner's study on dinosaur growth ontogeny in the Hell Creek formation. It centered around the idea that some dinosaurs were really just juveniles of other dinosaurs. To my knowledge, most of his hypothesis about which dinosaur is a juvenile or adult are generally accepted (except Nanotyrannus and Tyrannosaurus Rex). This study has primarily been in the Hell Creek Formation. I was wondering if there are any dinosaurs or animals out of the Hell Creek Formation that you think are really juvenile forms of other animals. For those who want to know more this is a link to his Ted Talk:https://m.youtube.com/watch?v=kQa11RMCeSI Edit: Saurophaganax and Allosaurus are hypothesized to be the same.
  19. "fake eggs"

    lovely piece,ignore at your own peril very educational,recommended fichnolAlleged__egg_Crets_redb.pdf
  20. growing pains?

    the article dogammonoid-shellion.pdf the criticism: landmgrowth-rhythms.pdf outtake:
  21. mossy ,but not in the botanical sense

    caldwlcraniumosasaurdentitij.1.x.pdf Terrific paper from ZJLS,ignore at your own peril
  22. the young one(no,not Neil)

    MEGAR
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