Samiksha Jaiswal (Editor)

Omma

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Kingdom
  
Animalia

Family
  
Ommatidae

Phylum
  
Arthropoda

Rank
  
Genus

Suborder
  
Archostemata

Scientific name
  
Omma

Higher classification
  
Ommatidae

Order
  
Beetle

Omma httpsuploadwikimediaorgwikipediacommons33

Similar
  
Ommatidae, Beetle, Priacma, Tenomerga, Cupedidae

Omma polka


Omma is a genus of beetles in the family Ommatidae. Omma is an example of a living fossil. The oldest species known, O. liassicum, lived during the final stage of the Triassic (Rhaetian), followed by several other species from Europe and Asia until after O. attenuatum from the Lower Cretaceous (lower Aptian), the genus disappears from the fossil record for the remaining 120 million years until today, with four species endemic in Australia.

Contents

Species, temporal and spatial distribution

The following extinct and extant species have been described.

  • Omma aberratum Ponomarenko, 1968, Late Jurassic (Oxfordian and Kimmeridgian) Karabastau Formation, Karatau, Kazakhstan
  • Omma altajense Ponomarenko, 1997, Middle to Later Jurassic, Togo-Khuduk sequence, Bakhar, Mongolia
  • Omma antennatum Ponomarenko, 1997, Lower Cretaceous, Khurilt sequence, Bon-Tsagan, Mongolia
  • Omma avus Ponomarenko, 1969, Lower Jurassic (Hettangian), Dgil’skaya Formation, Issyk-Kul’, Kyrgyzstan
  • Omma brevipes Deichmueller, 1886, Upper Jurassic (Tithonian), Solnhofener Formation, Solnhofen, Germany
  • Omma delicata Tan, Wang, Ren & Yang, 2012, Middle Jurassic (Bathonian-Callovian boundary), Jiulongshan Formation, Daohugou Village, Shantou Township, Ningcheng County, Inner Mongolia, China
  • Omma gobiense Ponomarenko, 1997, Lower Cretaceous (Campanian), Ulan-Ereg Formation, Khoutiin-Khotgor, Mongolia
  • Omma jurassicum Ponomarenko, 1968, Late Jurassic (Oxfordian and Kimmeridgian) Karabastau Formation, Karatau, Kazakhstan
  • Omma liassicum Crowson, 1962, Late Triassic (Rhaetian), Brown’s wood, Warwickshire, England
  • Omma mastersi MacLeay, 1871, recent, Australia
  • Omma pilosum (Ponomarenko, 1964) = Ommamima pilosum, Late Jurassic (Oxfordian and Kimmeridgian) Karabastau Formation, Karatau, Kazakhstan
  • Omma rutherfordi Lawrence, 1999, recent, Australia
  • Omma sagitta Neboiss, 1989, recent, Australia
  • Omma sibiricum Ponomarenko, 1966, Lower Cretaceous (Valanginian), Zazinskaya Formation, Baissa, West Transbaikalia Russia
  • Omma stanleyi Newman, 1839 (type), recent, Australia
  • Omma zitteli (Oppenheim, 1888) = Procarabus zitteli, Upper Jurassic (Tithonian), Solnhofener Formation, Solnhofen, Germany

    • References

    Omma Wikipedia
    (Text) CC BY-SA


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