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Cephidae (stem sawfly)
Taxonomy
Cephidae was named by Newman (1834). It is extant. Its type is Cephus.
It was assigned to Symphyta by Carpenter (1992); and to Cephoidea by Sharkey (2007), Taeger et al. (2010), Archibald and Rasnitsyn (2015) and Archibald et al. (2018).
It was assigned to Symphyta by Carpenter (1992); and to Cephoidea by Sharkey (2007), Taeger et al. (2010), Archibald and Rasnitsyn (2015) and Archibald et al. (2018).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1834 | Cephidae Newman p. 411 |
| 1992 | Cephidae Carpenter |
| 2007 | Cephidae Sharkey |
| 2010 | Cephidae Taeger et al. p. 38 |
| 2015 | Cephidae Archibald and Rasnitsyn p. 219 |
| 2018 | Cephidae Archibald et al. p. 209 |
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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. Cephidae Newman 1834 [stem sawfly]
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Subfm. Cephinae Newman 1834
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G. Cephus Latreille 1802
G. †Mesocephus Rasnitsyn 1968
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†Mesocephus brachycerus Kopylov and Rasnitsyn 2016
†Mesocephus leleji Kopylov and Rasnitsyn 2016
†Mesocephus sibiricus Rasnitsyn 1968
Subfm. †Cuspilonginae Kopylov and Rasnitsyn 2016
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G. †Cuspilongus Archibald and Rasnitsyn 2015
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†Cuspilongus cachecreekensis Archibald and Rasnitsyn 2015
†Cuspilongus ghilarovi Rasnitsyn 1988
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 Aptian to the top of the Late/Upper Eocene or 125.00000 to 33.90000 Ma
Minimum age of oldest fossil (stem group age): 113.0 Ma
Minimum age of oldest fossil (stem group age): 113.0 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aptian | Russian Federation (Buryatia) | Mesocephus sibiricus (105536) | |
| Aptian | Mongolia | Mesocephus ghilarovi (113355) | |
| Early/Lower Campanian | Russian Federation (Tenkinskii) | Mesocephus leleji, Mesocephus brachycerus (105375) | |
| Ypresian | Canada (British Columbia) | Cephinae indet. (119948) Cuspilongus cachecreekensis (103205) | |
| Priabonian | Poland | Electrocephus stralendorffi (152578) | |
| Late/Upper Eocene | USA (Colorado) | Janus disperditus (140149) |