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  • Eoptychopterina elenae Ren & Krzeminski 2002




    Kingdom: Animalia
    Phylum: Arthropoda Latreille 1829
    Class: Insecta Linnaeus 1758
    Order: Diptera Linnaeus 1758
    Family: Eoptychopteridae Handlirsch 1906
    Genus: Eoptychopterina
    Species: Eoptychopterina elenae
    Author Citation Ren & Krzeminski 2002

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Jurassic
    Sub Period: None
    Epoch: Middle
    International Age: Callovian to Oxfordian


    Jiulongshan Formation
    Daohugou Bed


    Acquired by: Purchase/Trade


    Length: 10 mm


    Daohugou (Village)
    Ningcheng (County)
    Inner Mongolia (Province)


    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:



    Identified by oilshale using Hao et al. 2009.


    Ren, D. & Krzemiński, W. 2002. Eoptychopteridae (Diptera) from the Middle Jurassic of China. Ann. Zoologica 52 (2): 207-210.

    Hao J., Ren, D. and Chungkun S. (2009) New Fossils of Eoptychopteridae (Diptera) from the Middle Jurassic of Northeast China Acta Geologica Sinica 83(2):222 – 228 DOI: 10.1111/j.1755-6724.2009.00022.x

    Liu, L., Shih, C. and Ren, D. (2012) Two new species of Ptychopteridae and Trichoceridae from the Middle Jurassic of northeastern China (Insecta: Diptera: Nematocera). Zootaxa 3501: 55-62, DOI: 10.5281/zenodo.282475


    User Feedback


    Posted (edited)

    They are great,  It hurts that I broke the matrix

    Edited by Paleorunner

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