Table 4 in The Acidocerinae (Coleoptera, Hydrophilidae): taxonomy, classification, and catalog of species

Table 4. Summary of information on fossil species of Acidocerinae.
* The genus Alegorius has been assigned in doubt to either Acidocerinae or Enochrinae.SpeciesType localityGeological epochAlegorius yixianus Fikáček, Prokin, Yan, Yue, Wang, Ren & Beattie, 2014*; Fikáček et al. 2014China, Liaoning Province, Shangyuan County, Chaomidian Village, Huangbanjigou.Yixian Formation: Early Cretaceous, Lower Cretaceous, Aptian, 124.6 Mya; Jurassic-Cretaceous boundary, Late Tithonian-Berriasian, ca. 145-140 MyaHelochares fog Arriaga-Varela, Brunke, Girón & Fikáček, 2019; Arriaga-Varela et al. 2019Poland.Baltic amber: Lower Eocene to Lower Oligocene, ca. 44 MyaHydroyixia elongata Fikáček, Prokin, Yan, Yue, Wang, Ren & Beattie, 2014; Fikáček et al. 2014China, Liaoning Province, Shangyuan County, Chaomidian Village, Huangbanjigou.Yixian Formation, Early Cretaceous, Lower Cretaceous, Aptian, 124.6 Mya; Jurassic-Cretaceous boundary, Late Tithonian-Berriasian, ca. 145-140 MyaHydroyixia latissima Fikáček, Prokin, Yan, Yue, Wang, Ren & Beattie, 2014; Fikáček et al. 2014China, Liaoning Province, Shangyuan County, Chaomidian Village, Huangbanjigou.Yixian Formation, Early Cretaceous, Lower Cretaceous, Aptian, 124.6 Mya; Jurassic-Cretaceous boundary, Late Tithonian-Berriasian, ca. 145-140 MyaProtochares brevipalpis Fikáček, Prokin, Yan, Yue, Wang, Ren & Beattie, 2014; Fikáček et al. 2014Australia, New South Wales, Talbragar Fossil Fish Bed, ca. 14 km NNW of Ulan, 25 km NE of Gulgong, 32°9.9'S, 149°41.0'E.Late Jurassic Oxfordian-Tithonian, 161-145 Mya; Kimmeridgian, 155-150 Mya.