Insecta - Hemiptera - Cydnidae
Alternative spellings: Cydnides, Cydninae, Cydninae
Full reference: G. J. Billberg. 1820. Enumeratio Insectorum in Museo Gust. Joh. Billberg 1-138
Parent taxon: Pentatomoidea according to Y. A. Popov 2019
See also Archibald and Mathewes 2000, Lis et al. 2018, Lis et al. 2015, Scudder 1878, Scudder 1890, Szwedo 2018, Wappler 2003 and Wu et al. 2018
Sister taxa: Acanthosomatidae, Chinchekoala, Cyrtocoridae, Dinidoridae, Megarididae, Mesopentacoridae, Pentatomidae, Phloeidae, Plataspidae, Primipentatomidae, Probascanionidae, Protocoridae, Scutelleridae, Tessaratomidae, Urostylididae
Subtaxa: Amnestinae Clavicorinae Cydnavites Cydninae Cydnini Cydnopsis Necrocydnus Ovalocoris Procydnus Prolobodes Sehirinae Stenopelta Thlibomenus
Type: Cydnus
Distribution:
• Quaternary of France (1 collection)
• Pliocene of Germany (1)
• Miocene of Croatia (6), the Czech Republic (2), the Dominican Republic (2), Germany (6), Mexico (1), Romania (1), Slovakia (1), Spain (1)
• Oligocene of France (14), Germany (2), United States (1: Montana)
• Eocene of Canada (1: British Columbia), Denmark (1), Germany (6), the United Kingdom (3), United States (6: Colorado, Tennessee, Wyoming)
• Cretaceous of Brazil (2), China (1), Mongolia (3), Myanmar (4), the Russian Federation (1)
Total: 67 collections including 146 occurrences