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  1. Taxonomy from Fossilworks.org Originally described as Mixosaurus panxianensis, Maisch 2010, p. 162 "proposed the name Barracudasauroides n. gen., with the type species Barracudasauroides panxianensis (JIANG et al. 2006) n. comb.” Diagnosis from Maisch 2010, p. 161: "Small mixosaurids, skull length below 250 mm, crista sagittalis low, 15 or less premaxillary teeth with elongate, conical and pointed crowns, maxillary teeth stronger than premaxillary teeth, anterior maxillary teeth robust, conical and blunt, posterior maxillary teeth slightly elongated mesiodistally, jugal with short processus posteroventralis, no external contact between jugal and quadratojugal, postorbital and possibly squamosal reach incisura postjugalis, postorbital seperates postfrontal and supratemporal, radius with two anterior notches (modified from JIANG et al. 2005, 2006).” References: D.-Y. Jiang, L. Schmitz, and W.-C. Hao, Y.-L. sun. 2006. A new mixosaurid ichthyosaur from the Middle Triassic of China. Journal of Vertebrate Paleontology 26(1):60-69. M. W. Maisch. 2010. Phylogeny, systematics, and origin of the Ichthyosauria - the state of the art. Palaeodiversity 3:151-214.
  2. oilshale

    Platysiagum sinensis Wen et al., 2019

    Taxonomy from Fossilworks.org. From Wen et. al. 2019, p. 4: "Emended diagnosis (Bürgin, 1992, 1996; Neuman & Mutter, 2005). – Small to large-sized (52–600 mm in total length) actinopterygians. Elongate fusiform body with a deeply forked, equilobate and hemi-heterocercal caudal fin. Dorsal and anal fins segmented entirely. Head characterized by a large and broad preoperculum and a maxilla with a long and narrow posterior plate. Dermohyal present. The terminal axial scale lobe reaches over half of the upper caudal fin lobe length. No epaxial rays. Fin rays branch distally. Fringing fulcra on the surfaces of marginal fin rays. Scales with smooth surfaces and serrated posterior border." Line drawing from Wen et al. 2019, p. 9: References: Bürgin, T. (1992). Basal ray-finned fishes (Osteichthyes; Actinopterygii) from the Middle Triassic of Monte San Giorgio (Canton Tessin, Switzerland). Schweizerische Paläontologische Abhandlungen 114, 1–164. Bürgin, T. (1996). Diversity in the feeding apparatus of perleidid fishes (Actinopterygii) from the Middle Triassic of Monte San Giorgio (Switzerland). In Mesozoic Fishes – Systematics and Paleoecology (eds G. Arratia & G. Viohl), pp. 555–65. Munich: Pfeil. Mutter, R. J. (2005). Re-assessment of the genus Helmolepis Stensiö 1932 (Actinopterygii: Platysiagidae) and the evolution of platysiagids in the Early-Middle Triassic. Eclogae Geologicae Helvetiae 98, 271–80. WEN W, HU SX, ZHANG QY, et al. (2019). A new species of Platysiagum from the Luoping Biota (Anisian, Middle Triassic, Yunnan, South China) reveals the relationship between Platysiagidae and Neopterygii. Geological Magazine. 156(4):669-682.
  3. From the album: Vertebrates

    Platysiagum sinensis Wen et al., 2019 Middle Triassic Anisian Guanling Formation Luoping Yunnan PRC
  4. From the album: Vertebrates

    Barracudasauroides panxianensis (Jiang, Schmitz, Hao & Sun, 2006) Middle Triassic Anisian (Pelsonian) Luoping Yunnan PRC Alternative name: Mixosaurus panxianensis Jiang, Schmitz, Hao & Sun, 2006. Length 90cm
  5. From the album: Vertebrates

    Barracudasauroides panxianensis (Jiang, Schmitz, Hao & Sun) 2006 Middle Triassic Luoping Yunnan PRC Alternative name: Mixosaurus panxianensis Jiang, Schmitz, Hao & Sun, 2006.
  6. oilshale

    Kyphosichthys grandei Xu & Wu, 2012

    From the album: Vertebrates

    Kyphosichthys grandei Xu & Wu, 2012 Middle Triassic Pelsonian Luoping Yunnan PCR
  7. Misha

    Wudinolepis weni

    Wudinolepis weni, tiny Microbrachiid placoderms from the early Devonian Jiucheng Fm. In Yunnan China. Specimens measure just over 1 cm in length, 2 are present on this piece, one exposed dorsally and the other ventrally. Preparation done by Paul Freitag
  8. Crazyhen

    Austronaga minuta?

    A newly described archosauromorph specimen from the lower Middle Triassic from Luoping, Yunnan in southwestern China was found and described as a new species Austronaga minuta. https://en.wikipedia.org/wiki/Austronaga The type specimen is like this: Another look-alike skull is found at the same locality, is it also an Austronaga minuta?
  9. Tidgy's Dad

    Adam's Cambrian

    A rangeomorph holdfast trace fossil from the Ediacara formation, Rawnsley quartzite of the Flinders Range, South Australia. This specimen is Medusina mawsoni, so called because it was until recently thought to be a jellyfish, but is now believed to be the attachment point of a fractal rangeomorph as Charniodiscus is the point of anchorage for Charnia sp. This one may have been the holdfast point for some species of Rangea. The diameter of the outer circle is 1.5 cm and the fossil is estimated to be 555 million years old.
  10. oilshale

    Vauxiidae non det.

    Taxonomy from Fossilworks,org. Preliminarily determined by Prof. Dr. Joachim Reitner, Departement of Geobiology, Georg-August-University Göttingen as Vauxiidae (a publication is intended). References: Walcott, C. D. (1920). Middle Cambrian Spongiae. Cambrian Geology and Paleontology IV. Smithsonian Miscellaneous Collections, 67(6): 261-365. Luo, C., Zhao, F., & Zeng, H. (2020). The first report of a vauxiid sponge from the Cambrian Chengjiang Biota. Journal of Paleontology, 94(1), 28-33. doi:10.1017/jpa.2019.52 Luo, C., Yang, A., Zhuravlev, A. Y., & Reitner, J. (2021). Vauxiids as descendants of archaeocyaths: a hypothesis. Lethaia, https://doi.org/10.1111/let.12433. Wei, F., Zhou, Y., Chen, A., Hou, X. and Cong, P. (2021). New vauxiid sponges from the Chengjiang Biota and their evolutionary significance. Journal of the Geological Society, Volume 178, https://doi.org/10.1144/jgs2020-162
  11. SilurianSalamander

    Are the IDs on these Cambrian fossils correct?

    Hello! I bought these Cambrian soft tissue fossils supposedly from Yunnan in china off of online auction site. I won them in a bid for suspiciously cheap. They seem real to me, but I’d be interested in confirmation of that. I’m also interested what you guys have to say as to what these are. Thanks! One is listed as Naraoia spinosa, the other, fainter one is listed as Vetulicola.
  12. Kikokuryu

    Chinese Eurypterid?

    I purchased this as a supposed Silurian Megalograptus from Yunnan a while back. The seller gave me additional information that it came from the Devonian Cuifengshan Formation in Qujing, Yunnan, China. However, the genus Megalograptus is Ordovician in age. I'm not really familiar with eurypterids, so maybe it's not even a sea scorpion. It certainly looks like some kind of invertebrate though. But maybe it's just indeterminate debris. Image 1 - Measurement is in millimeters. Image 2 Image 3 Image 4
  13. Mochaccino

    Chancelloriid from China?

    Hello, Could I get an identification for this fossil from the Cambrian of Yunnan, China? It was described as a "Chancelloria", but I don't know if that specific genus is described from this locality and the sclerites aren't star-shaped. It may be a related Chancelloriid, and it seems there are several described from China. My best guess is something like Allonia: https://www.researchgate.net/publication/316342674_Chancelloriid_Allonnia_erjiensis_sp_nov_from_the_Chengjiang_Lagerstatte_of_South_China http://www.paulselden.net/uploads/7/5/3/2/7532217/zhaoetal2018small.pdf I wish I could get higher-res photos of the sclerites but unfortunately I don't have a camera besides my phone. PS. Also, what could that grey+orange conical object next to the Chancelloriid be? Part of a trilobite genal spine?
  14. oilshale

    Luopingichthys bergi Sun et al, 2009

    Taxonomy from Fossilworks.org. Etymology: From Luoping County (Yunnan Province, South China), where the new fossiliferous site yielding these specimens is located; dedicated to Lev Semenovich Berg (1876—1950), a famous geographer and biologist, member of the Academy of Sciences of the USSR, for his great contributions to the study of fossil fishes. Diagnosis for the genus from Sun et al. 2009, p. 462: “Fusiform to deep fusiform polzbergid. Preopercular sickle-shaped, with a short infraorbital process, a vertically oriented dorsal region and an expanded, anteriorly curved, ventral one. Premaxillary, extending antero-dorsally to the maxillary for at least 2/3 of its length; thin procumbent anterior teeth. No field of modified scales at the base of anal fin. Caudal fin with four or five epaxial rays." Diagnosis for the species from Sun et al. 2009, p. 462: "Medium-sized Luopingichthys, with a fusiform body. Six teeth borne by premaxillary, three or four by maxillary and six by dentary. Coronoid(s) present; skull bones heavily ornamented with tubercles, short ridges and small patches of ganoine randomly arranged. Ornamentation on scales reduced to faint longitudinal ridges giving rise to a posterior serration; mid-dorsal ridge scales well differentiated. Stout fringing fulcra on dorsal and anal fins. Caudal fin with rudimentary lepidotrichia and four or five epaxial rays." Drawing of the skull from Sun et al. 2009 (scale bar equals 5mm): References: Z. Sun, A. Tintori, D. Jiang, C. Lombardo, M. Rusconi, W. Hao, and Y. Sun. 2009. A New Perleidiform (Actinopterygii, Osteichthyes) from the Middle Anisian (Middle Triassic) of Yunnan, South China. Acta Geologica Sinica 83(3):460-470.
  15. This skull is 24cm in length, it's from Yunnan of China, Any idea if it belongs to a marine reptile, not icthyosaur? And if it's a complete skull?
  16. The photos below show two juvenile/hatchling ichthyosaurus species from Yunnan, China. They are from two different localities but are close by. As they look quite different, are they different species? And any idea what species they are?
  17. Mochaccino

    Anomalocaris from Yunnan?

    Hello, I just got this supposed Anomalocaris fossil from Yunnan of China, Cambrian in age. It's about 1.5cm length, and I belive a section from the end of an appendage. I was wondering if someone could determine a more specific species ID for it? Hopefully my phone's camera is enough to show the details. The specimen has quite clear preservation of the ventral spines, as well as their auxiliary spines coming off the front and back, and based on that I am thinking something like Anomalocaris kunmingensis (https://www.researchgate.net/figure/Anomalocaris-kunmingensis-sp-nov-from-the-Guanshan-biota-Yunnan-China-a_fig2_257689210/amp). But of course I don't know what I don't know. Thanks.
  18. Take a look at this Asialepidotes shingyiensis from Yunnan, China. It is a very nice fish. But do you see what's the problem?
  19. Alternative combination: Alalcomenaeus illecebrosus. Taxonomy from Liu Yu et al. 2007. Diagnosis for Leanchoilia illecebrosa Hou 1987 from Liu Yu et al. 2007, p. 264: "A species of Leanchoilia with rami of ʻgreat appendageʼ with poorly visible distinction between shaft and filament, and with a single hook on the outermost ramus. Body comparatively slim. Rostrum pointed anteriorly, not extended into a snout. Tail piece dagger-shaped." Line drawing from Liu Yu et al. p. 265: References: Hou Xian-Guang (1987) Two new arthropods from Lower Cambrian, Chengjiang, eastern Yunnan. Acta Palaeontologica Sinica 26, 236–256. Liu Yu, Hou Xian-Guang & Bergström, J. (2007) Chengjiang arthropod Leanchoilia illecebrosa (Hou, 1987) reconsidered. GFF, Vol. 129 (Pt. 3, September), pp. 263–272. Stockholm. ISSN 1103-5897. Haug, J.T., Briggs, D.E. & Haug, C. (2012) Morphology and function in the Cambrian Burgess Shale megacheiran arthropod Leanchoilia superlata and the application of a descriptive matrix. BMC Evol Biol 12, 162. https://doi.org/10.1186/1471-2148-12-162
  20. cameronsfossilcollection

    Cyclopygid trilobites

    From the album: Pupiao Formation Collection

    A really cool piece of three Cyclopyge? These trilobites were thought to be pelagic.
  21. cameronsfossilcollection

    Ampyxina sp.

    From the album: Pupiao Formation Collection

    Possibly A. bellatula. Gifted to me through a secret Santa trade with Chris Koemp (@Kompsfossilsnminerals)
  22. cameronsfossilcollection

    Remopleurides sp.

    From the album: Pupiao Formation Collection

    My favorite Pupiao bug in my collection, an undescribed species of Remopleurides.
  23. cameronsfossilcollection

    Unknown Asaphid Trilobite

    From the album: Pupiao Formation Collection

    Decently preserved Asaphid that I purchased from Marc Haensel a while back.
  24. cameronsfossilcollection

    Enigmata

    From the album: Pupiao Formation Collection

    I’ve heard lots of suggestions, from Tentaculites to a fragment of a larger organism - I’m not sure what this is.
  25. cameronsfossilcollection

    Unknown Brachiopod

    From the album: Pupiao Formation Collection

    Cool brach!
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