Jurodidae

Jurodidae is a family of beetle that was originally described from a fossil species Jurodes ignoramus Ponomarenko, 1985. In 1996, a species Sikhotealinia zhiltzovae representing the only living representative of this family was discovered in the Sikhote-Alin mountains in Siberia. This "living fossil" is unique in having three ocelli on their forehead, a condition otherwise unknown in the entire order Coleoptera, whether extinct or living - though it is common in other orders, and generally considered a groundplan character for neopteran insects. Sikhotealinia and Jurodes are considered as a sister group to all other archostematan beetles.[1]

Jurodidae
Temporal range: Middle Jurassic
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Archostemata
Family: Jurodidae
Ponomarenko, 1985
Genera
  • †Jurodes
    • J. ignoramus
      Ponomarenko, 1985
    • J. minor
      Ponomarenko, 1990
    • J. daohugouensis
      Yan, Wang, Ponomarenko & Zhang, 2014
    • J. pygmaeus
      Yan, Wang, Ponomarenko & Zhang, 2014
  • Sikhotealinia zhiltzovae
    Lafer, 1996
Synonyms

Sikhotealiniidae

References
  1. Yan, Evgeny V.; Wang, Bo; Ponomarenko, Alexander G.; Zhang, Haichun (2014). "The most mysterious beetles: Jurassic Jurodidae (Insecta: Coleoptera) from China" (PDF). Gondwana Research. 25 (1): 214–225. doi:10.1016/j.gr.2013.04.002.

Further reading
  • Leschen, R.A.B.; Beutel, R.G. (2004). "Ocellar atavism in Coleoptera: plesiomorphy or apomorphy?". Journal of Zoological Systematics and Evolutionary Research. 42 (1): 63–69. doi:10.1046/j.0947-5745.2003.00241.x.
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