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  1. oilshale

    Itaphlebia laeta Liu et al. 2010

    Taxonomy from Mindat.org. Diagnosis from Liu et al. 2010: "Costal area narrow. In forewing, Sc simple, terminating at C near pterostigma; M with 4 branches; Cu 1 and M forked before the cross-vein cu 1 -cu 2." Description from Liu et al. 2010: "Antenna filiform, incompletely preserved. Femur shorter than tibia. Tibial spurs not present. Setae irregularly arranged. Costal area narrow, one cross-vein c-sc between C and Sc. Sc simple, ending at C and extending to pterostigmal area. One short cross-vein sc 2 -r 1 before pterostigma. Rs arised at the same level to cross-vein csc. Rs with 4 b
  2. Taxonomy according to Hao et al 2009. Hao et al. 2009, p223: “Revised diagnosis: Body length: 6-13 mm: wing length 8.2-15.6 mm Sc ending at wing margin approximately the same as R4+5 forking into R4 and R5; R1 long, r-r at one -third of its length before the end of R1; R2+3 shorter than R3; R4+5 short, R4+5 fork six times longer than dR4+5. M1 smoothly curved, m-m joining close to M1+2 bifurcations. M3+4 with a little bend at m-m. CuA slightly sigmoid beyond m-cu; A1 strongly curved to wing margin in two-thirds of its length.” Wing line drawing from Hao et al. 2009, p.225:
  3. oilshale

    Insect non det.

    From the album: Invertebrates

    Insect non det. (Mecoptera or Scorpionfly?) Middle Jurassic Daohugou Nei Mongol China
  4. Hi everyone, My friend bough some of Daohugou fossils for his museum and he asking to help for the ID. The only information that we got these fossils came from Nei Mongols, China. So do you have any idea about these fossil pls help us. Thanks for reading 1.
  5. I just posted on some fake fossil insects out of China at a show. It seems only fair that I post on an inexpensive nice find I got at the show from the famous Daohugou site in inner Mongolia in China. They are sold as both positive and negative. Check it out. Just remarkable preservation.
  6. oilshale

    Osmylidae indet.

    There are additional unidentified conchostraca (clam shrimps, arthropods) on the slab. The age of the Daohugou strata has been notoriously difficult to determine, and a number of studies have produced conflicting results. Gao and Shubin, 2001 reported an Argon-argon dating age of 164 ±4 million years ago (Middle to Late Jurassic, Bathonian to Oxfordian); this opinion is now widely accepted. Taxonomy according to Fossilworks.org. Diagnosis for the family OSMYLIDAE Leach, 1815 according to Winterton et al., 2019 p. 13. “Adult head with dorsal tentorial arms weakly developed; ocell
  7. There are additional unidentified conchostraca (clam shrimps, arthropods) on the slab. The age of the Daohugou strata has been notoriously difficult to determine, and a number of studies have produced conflicting results. Gao and Shubin, 2001 reported an Argon-argon dating age of 164 ±4 million years ago (Middle to Late Jurassic, Bathonian to Oxfordian); this opinion is now widely accepted. Taxonomy according to Fossilworks.org. Emended diagnosis for Choristopsychidae according to Qiao et al., 2013, p. 93: "Forewing broad oval or subtriangular, field between C and ScP comparativ
  8. There are additional unidentified conchostraca (clam shrimps, arthropods) on the slab. The age of the Daohugou strata has been notoriously difficult to determine, and a number of studies have produced conflicting results. Gao and Shubin reported an Argon-argon dating age of 164 ±4 million years ago (Middle to Late Jurassic, Bathonian to Oxfordian), this opinion is now widely accepted. Taxonomy according to Wei et al., 2012. Line drawing from Wei et al., 2012. Description according to Wei et al., 2012: “Small-sized, body length about 10.4–10.6 mm (with head), width 2
  9. Part and counterpart of the same fossil. There are additional unidentified conchostraca (clam shrimps, arthropods) on the slabs. The age of the Daohugou strata has been notoriously difficult to determine, and a number of studies have produced conflicting results. Gao and Shubin 2012 reported an Argon-argon dating age of 164 ±4 million years ago (Middle to Late Jurassic, Bathonian to Oxfordian), this opinion is now widely accepted. Taxonomy according Fossilworks.org. Line drawing from Liang et al., 2009, p.20. Description according to Liang et al., 2009, p. 19: “Large
  10. The age of the Daohugou strata has been notoriously difficult to determine, and a number of studies have produced conflicting results. Gao and Shubin reported an Argon-argon dating age of 164+- 4 million years ago (Middle to Late Jurassic, Bathonian to Oxfordian), this oppinion is now widely accepted. Part and counterpart of the same fossil. There are additional unidentified conchostraca (clam shrimps, arthropods) on the slabs. Drawing of the holotype by Liang et al. 2012 Taxonomy according Fossilworks.org. Differential diagnosis (genus) according to Liang et al, 20
  11. Taxonomy from Wang et al. 2009. Daouhugounectes primitivus is a predaceous water beetle grub with raptorial forelegs and natatorial mid- and hindlegs. Diagnosis from Wang et al. 2009, p. 653." Head transverse, narrowing anterior of the base; nasale with rounded lateral lobes. Mandible with retinaculum near its middle. Prothoracic tergite somewhat longer than meso- and metathoracic tergites. Legs relatively short; mid- and hindleg distinctly longer than foreleg, their femora, tibiae and tarsi subequal in length, tibae slightly dilated at apex, tarsi roundly dilated anteriorly. Foreleg
  12. Northern Sharks

    Bug ID request

    While this isn't the type of "bug" I normally collect, this one appealed to me as soon as I saw it on the auction site. Can anyone in our masses give me any help with regards to identification? The seller, who is also a member on here BTW, speculated at the order Neuroptera, but that was followed by a (?). It is Jurassic in age, from the Daohugou lagerstatte of Inner Mongolia. Thanks in advance.
  13. oilshale

    Orthophlebia sp.

    Is either related or identical to Orthophlebia stigmosa (picture A) or O. nervulosa (picture D) Lit.: Xiao Qiao, Chungkun Shih & Ren (2012): Two new Middle Jurassic species of orthophlebiids (Insecta: Mecoptera) from Inner Mongolia, China, Alcheringa: An Australasian Journal of Palaeontology, DOI:10.1080/03115518.2012.671689
  14. From the album: Invertebrates

    Same story as yesterday: My colleague and I wanted to visit a customer near Nincheng in Nei Mongol, China when I saw a drywall made out of grey flag stones. Looked very promising. I could pursuade my colleague (who was driving the car) to take a rest.... Unfortunately I could not tear down the wall - the owner of the drywall didn't like my idea and opposed. I guess the shale is from Daohugou region. Mecoptera non det. Female Possibly belonging to the Panorpidae Jiulongshan Formation Middle Jurassic Ningcheng Nei Mongol China
  15. Lit.: J. H. Liang, P. Vrsansky, and D. Ren. 2012. Variability and symmetry of a Jurassic nocturnal predatory cockroach (Blattida: Raphidiomimidae). Revista Mexicana de Ciencias Geológicas 29:411-421
  16. From the album: Invertebrates

    Divocina noci Liang, Vršanský & Ren, 2012 Middle Jurassic Daohugou Nei Mongol PRC
  17. oilshale

    Insect non det. (Cicada?)

    From the album: Invertebrates

    Insect non det. Middle Jurassic Daohugou Nei Mongol PRC
  18. oilshale

    Insect non det.

    From the album: Invertebrates

    Insect non det. Middle Jurassic Daohugou Nei Mongol PRC
  19. oilshale

    Insect non det.

    From the album: Invertebrates

    Insect non det Upper Jurassic Daohugou Nei Mongol China
  20. oilshale

    Blattodea non det.

    From the album: Invertebrates

    Blattodea non det. Middle Jurassic Daohugou Nei Mongol China Length 1cm
  21. Crazyhen

    Dragonfly Fossil from Liaoning

    Hi, this is a specimen from Daohugou, Liaoning. Is it a Sinaeschnidia cancellosa?
  22. oilshale

    Insect non det.

    From the album: Invertebrates

    Insect non det. Middle Jurassic Daohugou Nei Mongol PRC
  23. Taxonomy from Gao & Shubin 2003. Identified by Prof Wang Yuan, Institute of Vertebrate Paleontology and Paleoanthropology, Beijing with the following remarks: 'The phalangeal formula for Chunerpeton is variable. This specimen falls in the range as I observed hundreds of specimens of this genus and species. One problem is that, as I noted in the last email, Gao and Shubin (2012) named Beiyanerpeton jianpingensis but it is actually a Chunerpeton by my judgement. The salamander you send to me should be from the same region, but a different quarry as "Beiyanerpeton".' Diagnosis
  24. Taxonomy from Liu et al. 2006. Diagnosis (Liu et al. 2006, p. 550): "Comparing with A. conspecta (Sinitshenkova, 1992),A. yehae sp. nov. exposits more morphological characters of the genus, and is distinct from A. conspecta in the forewings: RS forks almost at the level of the SC tip, rs-m entering the RS before the RS fork and touching M at the M fork, the shorter c-sc and the longer wing." Line drawing from Liu et al. 2006, p. 551: Identified by oilshale References: Liu et al. (2011): Pronemouridae fam. nov. (Insecta: Plecoptera), the stem group of Nemouridae and Notone
  25. From the album: Invertebrates

    My colleague and I wanted to visit a customer near Nincheng in Nei Mongol, China when I saw a drywall made out of grey flag stones. Looked very promising. I could pursuade my colleague (who was driving the car) to take a rest.... Unfortunately I could not tear down the wall - the owner of the drywall didn't like my idea and opposed. I guess the shale came from Daohugou. Colorifuzia agenora Wei, Liang & Ren, 2013 Middle to Late Jurassic Jiulongshan Formation Daohugou Nei Mongol China
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