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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sphaeridiinae
Taxonomy
Sphaeridiota was named by Latreille (1802). It is extant. Its type is Sphaeridium.
It was reranked as the subfamily Sphaeridiinae by Lawrence and Newton (1995), Bouchard et al. (2011), Short and Fikáček (2013), Webster (2016), Cai et al. (2022).
It was assigned to Hydrophilidae by Lawrence and Newton (1995), Bouchard et al. (2011), Short and Fikáček (2013), Webster (2016), Cai et al. (2022).
It was reranked as the subfamily Sphaeridiinae by Lawrence and Newton (1995), Bouchard et al. (2011), Short and Fikáček (2013), Webster (2016), Cai et al. (2022).
It was assigned to Hydrophilidae by Lawrence and Newton (1995), Bouchard et al. (2011), Short and Fikáček (2013), Webster (2016), Cai et al. (2022).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Sphaeridiinae Lawrence and Newton, Jr. |
| 2011 | Sphaeridiinae Bouchard et al. p. 157 |
| 2013 | Sphaeridiinae Short and Fikáček p. 742 |
| 2016 | Sphaeridiinae Webster p. 408 |
| 2022 | Sphaeridiinae Cai et al. |
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No classification data are available
No information on subtaxa.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range
Maximum range based only on fossils: base of the Ypresian to the top of the Late/Upper Pleistocene or 56.00000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Collections (39 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | Canada (British Columbia) | Cercyon terrigena (122190) | |
| Late/Upper Miocene | Russian Federation | Coelostoma orbiculare (113713) | |
| Zanclean | Japan | Coelostoma sp. (165737) | |
| Pliocene | Japan | Coelostoma sp. (165743 165744) | |
| Piacenzian | Japan | Coelostoma sp. (165742) Coelostoma sp., Coelostoma stultum (165738) | |
| Gelasian | Greenland | Megasternum obscurum (160166) | |
| Early/Lower Pleistocene | Japan | Coelostoma sp. (153617) | |
| Early/Lower Pleistocene | Russian Federation | Cercyon sp. (163069) | |
| Calabrian | Japan | Coelostoma orbiculare (160539) | |
| Chibanian | Japan (Kumamoto) | Coelostoma sp. (164901) | |
| Chibanian | Japan | Coelostoma sp. (165700 165704) | |
| Middle Pleistocene | United Kingdom | Cercyon pygmaeus, Cercyon sternalis (168270) Cercyon sp., Cercyon sternalis (168272) Cercyon sternalis, Megasternum boletophagum (168271) Coelostoma orbiculare, Cercyon analis (168269) Coelostoma orbiculare, Cercyon sp., Cercyon ustulatus, Cercyon sternalis, Megasternum boletophagum (168264) Coelostoma orbiculare, Cercyon sp., Sphaeridium scarabaeoides, Megasternum boletophagum (168265) Coelostoma orbiculare, Cryptopleurum minutum, Cercyon analis, Megasternum boletophagum (168268) Coelostoma orbiculare, Sphaeridium scarabaeoides, Cercyon melanocephalus, Megasternum boletophagum (168266 168267) | |
| Middle Pleistocene | United Kingdom (Warwickshire) | Cercyon sp. (169389) Cercyon sp., Cryptopleurum crenatum (169391) | |
| Middle Pleistocene | Japan (Kumamoto) | Coelostoma sp. (165716) | |
| Late/Upper Pleistocene | United Kingdom (England) | Cercyon tristis (164904 164905 164906 164908 164920 164921) | |
| Late/Upper Pleistocene | Japan | Coelostoma sp., Coelostoma orbiculare (166082) | |
| Late/Upper Pleistocene | USA (Washington) | Cercyon luniger (167662) Cercyon sp. (157092) | |
| Late/Upper Pleistocene | Ukraine | Sphaeridium scarabaeoides (153476) | |
| Late/Upper Pleistocene | United Kingdom (Worcestershire) | Cercyon spp., Sphaeridium sp., Cercyon tristis, Cercyon melanocephalus, Cercyon ustulatus, Cryptopleurum minutum (163070) | |
| Late/Upper Pleistocene | Russian Federation (Astrakhan) | Cercyon marinus, Cercyon tristis (125794) | |
| Late/Upper Pleistocene | USA (Wisconsin) | Cercyon sp., Cercyon herceus (169406) |