Ademosynidae

Ademosynidae is an extinct family of beetles, known from the Late Triassic to Early Cretaceous. There are at least six genera and 11 species in Ademosynidae.[1][2][3][4] Members of the family were small oval beetles, with a length generally smaller than 1 cm. Characteristics of the family include a pronotum without anterior angles and a rounded anterior margin, and elytra with 9–12 punctate striae. The systematic position of the family within the order Coleoptera is currently uncertain: they can be considered early examples of the suborder Polyphaga, or unusual examples of Archostemata.[3]

Ademosynidae
Temporal range:
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: incertae sedis
Family: †Ademosynidae
Ponomarenko, 1968

Genera

The family Ademosynidae is restricted to the following six genera and 11 species in Yan, Beutel and Ponomarenko (2017):[3]

  • † Ademosyne Handlirsch, 1906
    • †Ademosyne bacca Ponomarenko, 1969 – Madygen Formation, Kyrgyzstan, Late Triassic (Carnian)
    • †Ademosyne elliptica Ponomarenko, 1969 – Madygen Formation, Kyrgyzstan, Late Triassic (Carnian)
    • †Ademosyne kirghizica Ponomarenko, 1969 – Madygen Formation, Kyrgyzstan, Late Triassic (Carnian)
    • †Ademosyne major Handlirsch, 1906 – Blackstone Formation, Australia, Late Triassic (Norian)
  • † Cephalosyne Ponomarenko, 1969 – Madygen Formation, Kyrgyzstan, Late Triassic (Carnian)
    • †Cephalosyne capitata Ponomarenko, 1969
  • † Dolichosyne Ponomarenko, 1969 – Madygen Formation, Kyrgyzstan, Late Triassic (Carnian)
    • †Dolichosyne confragosa Ponomarenko, 1969
    • †Dolichosyne rostrata Ponomarenko, 1969
    • †Dolichosyne sulcata Ponomarenko, 1969
  • † Gnathosyne Ponomarenko, 1969 – Tologoi Formation, Kazakhstan, Late Triassic (Norian)
    • †Gnathosyne akkolkensis Ponomarenko, 1969
  • † Petrosyne Ponomarenko, 1969 – Kyrgyzstan, Early Jurassic (Pliensbachian)
    • †Petrosyne liassica Ponomarenko, 1969
  • † Sphaerosyne Ponomarenko, 1969 – Zaza Formation, Russia, Early Cretaceous (Aptian)
    • †Sphaerosyne globosa Ponomarenko, 1969

The following genera and species are also included in the family according to Fossilworks, but are excluded or not mentioned in Yan, Beutel and Ponomarenko (2017):[2]

  • † Atalosyne Ren, 1995 – Lushangfen Formation, China, Early Cretaceous (Aptian)
    • †Atalosyne sinuolata Ren, 1995
  • † Chaocoleus Ponomarenko, Yan & Huang, 2014 – Yinping Formation, China, Permian (Capitanian)
    • †Chaocoleus limnebius Ponomarenko, Yan & Huang, 2014
  • † Eremisyne Wang, 1998 – Xiazhuang Formation, China, Early Cretaceous (Aptian/Albian)
    • †Eremisyne xiazhuangensis Wang, 1998
  • † Grammositus Dunstan, 1923 (also spelled Grammositum) – Blackstone Formation, Australia, Late Triassic (Norian)
    • †Grammositus bilineatus Dunstan, 1923
  • †"Ademosyne" adunca Dunstan, 1923
  • †"Ademosyne" arcucciae Martins-Neto and Gallego, 2006
  • †"Ademosyne" australiensis Tillyard, 1916
  • †"Ademosyne" brevis Dunstan, 1923
  • †"Ademosyne" cameroni Tillyard, 1916
  • †"Ademosyne" congener Tillyard, 1916
  • †"Ademosyne" curvata Dunstan, 1923
  • †"Ademosyne" elongatus Martins-Neto and Gallego, 2006
  • †"Ademosyne" hexacostata Martins-Neto and Gallego, 2006
  • †"Ademosyne" intermedia Dunstan, 1923
  • †"Ademosyne" lata Dunstan, 1923
  • †"Ademosyne" llantenesensis Brauckmann et al., 2010
  • †"Ademosyne" olliffi (Handlirsch, 1906)
  • †"Ademosyne" parva Dunstan, 1923
  • †"Ademosyne" polyzetete Ponomarenko, 2011
  • †"Ademosyne" prisca Riek, 1974
  • †"Ademosyne" punctata Tillyard, 1916
  • †"Ademosyne" punctuada Martins-Neto and Gallego, 2006
  • †"Ademosyne" ramocostata Dunstan, 1923
  • †"Ademosyne" reducta Riek, 1976
  • †"Ademosyne" rosenfeldi Brauckmann et al., 2010
  • †"Ademosyne" rugulosa Dunstan, 1923
  • †"Ademosyne" sibirica Rohdendorf, 1961
  • †"Ademosyne" speciosa Riek, 1974
  • †"Ademosyne" umutu Martins-Neto and Gallego, 2009
  • †"Ademosyne" vittamargina Dunstan, 1923
  • †"Ademosyne" wianamattensis Tillyard, 1918

References
  1. "Ademosynidae". GBIF. Retrieved 2019-10-21.
  2. "The Paleobiology Database, family Ademosynidae". Retrieved 2019-10-21.
  3. Yan, Evgeny V.; Beutel, Rolf G.; Ponomarenko, Alexander G. (2017). "Ademosynidae (Insecta: Coleoptera): A new concept for a coleopteran key taxon and its phylogenetic affinities to the extant suborders". Palaeontologia Electronica. 20. doi:10.26879/739.
  4. Bouchard, Patrice; Bousquet, Yves; Davies, Anthony E.; Alonso-Zarazaga, Miguel A.; et al. (2011). "Family-group names in Coleoptera (Insecta)". ZooKeys (88): 1–972. doi:10.3897/zookeys.88.807. PMC 3088472. PMID 21594053.


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