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Psephenidae (water penny beetle)
Taxonomy
Psephenidae was named by Lacordaire (1854). It is extant.
It was assigned to Byrrhoidea by Lawrence and Newton (1995), Bouchard et al. (2011), Webster (2016); and to Dryopoidea by Crowson (1981), Cai et al. (2022).
It was assigned to Byrrhoidea by Lawrence and Newton (1995), Bouchard et al. (2011), Webster (2016); and to Dryopoidea by Crowson (1981), Cai et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 1854 | Psephenidae Lacordaire |
| 1981 | Psephenidae Crowson p. 695 |
| 1995 | Psephenidae Lawrence and Newton, Jr. |
| 2011 | Psephenidae Bouchard et al. |
| 2016 | Psephenidae Webster p. 449 |
| 2022 | Psephenidae Cai et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. Psephenidae Lacordaire 1854 [water penny beetle]
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Subfm. Eubrianacinae Jacobson 1913
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G. Eubrianax Kiesenwetter 1874
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Eubrianax pellucidus Lewis 1895
†Eubrianax vandeli Bertrand and Laurentiaux 1963
Subfm. Eubriinae Lacordaire 1857
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G. Ectopria Leconte 1853
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†Ectopria laticollis Wickham 1913
Ectopria opaca Kiesenwetter 1874
Invalid names: Grammeubria Kiesenwetter 1874 [synonym]
Subfm. Psepheninae Lacordaire 1854
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Cenomanian to the top of the Chibanian or 100.50000 to 0.12900 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | Myanmar | Succinumanax birmaniasis (178159 179937 200058) Vetujinbrianax cretaceus, Succinumanax birmaniasis, Pseudomataeopsephus burmensis (161726) | |
| Lutetian | France | Eubrianax vandeli (193785) | |
| MP 11 | Germany (Hessen) | Eubrianacinae indet. (163150 164187) Eubrianacinae indet. 1 (120798) | |
| Chadronian | USA (Colorado) | Ectopria laticollis (113749) Psephenus lutulentus, Protacnaeus tenuicornis (106384) | |
| Chattian | Brazil | Psephenella ferreirai (153054 156004) | |
| Messinian | Japan | Eubrianax pellucidus (153919) | |
| Chibanian | Japan | Malacopsephenoides japonicus (194482) Psepheninae indet., Ectopria opaca (211426) |