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Table 1 Geological distribution of the known fossil species of Omma

From: New fossil species of ommatids (Coleoptera: Archostemata) from the Middle Mesozoic of China illuminating the phylogeny of Ommatidae

Age Species Location and horizon Reference
K1 O. sibiricum Ponomarenko, 1966 Baissa, West Transbaikalia Russia; Zazinskaya Fm. Ponomarenko, 1966
O. antennatum Ponomarenko, 1997 Bon-Tsagan, Mongolia; Khurilt sequence Ponomarenko, 1997
  O. gobiense Ponomarenko, 1997 Khoutiin-Khotgor, Mongolia; Ulan-Ereg Fm. Ponomarenko, 1997
  O. brevipes, Deichmüller, 1886 Solnhofener, German; Solnhofener Fm. Deichmüller, 1886
  O. zitteli Oppenheim, 1888 Solnhofener, German; Solnhofener Fm. Oppenheim, 1888
J3-K1 O. pilpsim Ponomarenko, 1964 Karatau, Kazakhstan; Karabastau Fm. Ponomarenko, 1964
  O. aberratum Ponomarenko, 1968 Karatau, Kazakhstan; Karabastau Fm. Ponomarenko, 1968
  O. jurassicum Ponomarenko, 1968 Karatau, Kazakhstan; Karabastau Fm. Ponomarenko, 1968
J2-J3 O. altajense Ponomarenko, 1997 Bakhar, Mongolia; Togo-Khuduk sequence Ponomarenko, 1997
  O. delicata sp. nov. Daohugou, Inner Mongoliia Jiulongshan Fm. this study
J1 O. avus Ponomarenko, 1969 Issyk-Kul’, Kyrgyzstan; Dgil’skaya Fm. Ponomarenko, 1969
J1-T3 O. liassicum Crowson, 1962 Brown’s wood, Warwickshire, England; Rhaetian Age. Crowson, 1962
  1. The systematic position of the taxa is based on original descriptions. T3 —Late Triassic; J1—Early Jurassic; J2—Middle Jurassic; J3—Late Jurassic; K1—Early Cretaceous; E3-Oligocene; Fm.—Formation.
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BMC Ecology and Evolution

ISSN: 2730-7182

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