Clessidromma

Clessidromma is an extinct genus of ommatid beetle. The genus was first described in 2017 for the species. C. palmeri.[1] In 2019, another species, C. tianae was described, which was initially assigned to the new genus Lepidomma.[2] Lepidomma was synonymised with Clessidromma by Kirejtshuk, 2020, who described a third species, C. zengi.[3] This synonymy was disputed by some subsequent authors, who also moved C. zengi to the separate genus Kirejtomma in 2021.[4] Both currently assigned species are known from the Cenomanian aged Burmese amber of Myanmar.

Clessidromma
Temporal range:
Clessidromma palmeri
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Ommatidae
Genus: †Clessidromma
Jarzembowski et al. 2017
Species
  • †Clessidromma palmeri Jarzembowski et al. 2017
  • †Clessidromma tianae (Jarzembowski et al. 2019) (disputed)
Synonyms
  • Lepidomma Jarzembowski et al. 2019 (disputed)

References
  1. Jarzembowski, Edmund A.; Wang, Bo; Zheng, Daran (2017-10-12). "A slender new archaic beetle in Burmese amber (Coleoptera: Archostemata)". Alcheringa: An Australasian Journal of Palaeontology. 42 (1): 110–114. doi:10.1080/03115518.2017.1374461. ISSN 0311-5518. S2CID 135396621.
  2. Jarzembowski, Edmund A.; Wang, Bo; Zheng, Daran (July 2019). "A new scaly archaic beetle (Coleoptera: Archostemata) from mid-Cretaceous Burmese amber". Cretaceous Research. 99: 315–320. doi:10.1016/j.cretres.2019.02.027. ISSN 0195-6671. S2CID 241030452.
  3. Kirejtshuk, Alexander G. (2020-02-17). "Taxonomic Review of Fossil Coleopterous Families (Insecta, Coleoptera). Suborder Archostemata: Superfamilies Coleopseoidea and Cupedoidea". Geosciences. 10 (2): 73. Bibcode:2020Geosc..10...73K. doi:10.3390/geosciences10020073. ISSN 2076-3263.
  4. Li, Yan-Da; Cai, Chen-Yang (2021-10-27). "Revisiting the morphology of the Cretaceous ommatid beetle Clessidromma palmeri (Coleoptera: Archostemata: Ommatidae)". Papéis Avulsos de Zoologia. 61: e20216195. doi:10.11606/1807-0205/2021.61.95. ISSN 1807-0205. S2CID 240196850.
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