Subfamily Georissinae Laporte 1819 (water scavenger beetle)

Insecta - Coleoptera - Hydrophilidae

Parent taxon: Hydrophilidae according to P. Bouchard et al. 2011

Sister taxa: Acidocerinae, Alegorius, Aposphinctus, Chaetarthriinae, Creniphilites, Cretohelophorus, Cretosperchus, Cryptopleurum, Cymbiodyta, Enochrinae, Escheria, Escheria bella, Escheria ovalis, Hydrocharis, Hydrochinae, Hydrophilinae, Limnebius, Mesosperchus schultzi, Orphnospercheus, Paraspercheus, Penitus, Philhydrus, Prospercheus, Protochares, Regimbartia, Rygmodinae, Spercheinae, Sphaeridiinae, Sphaeridium melanarium, Sternolophus

Subtaxa: none

Ecology:

Distribution:

• Quaternary of the United Kingdom (4 collections), United States (1: Washington)

• Pliocene of France (1), United States (1: Alaska)

• Miocene of United States (1: Alaska)

• Eocene of Germany (1)

• Cretaceous of Israel (1)

Total: 10 collections each including a single occurrence

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