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Dichentomum
Taxonomy
Dichentomum was named by Tillyard (1926).
It was assigned to Dichentomidae by Carpenter (1933), Zimmerman (1962); and to Psocidiidae by Carpenter (1992), Novokshonov (1998), Rasnitsyn (2004), Huang et al. (2016).
It was assigned to Dichentomidae by Carpenter (1933), Zimmerman (1962); and to Psocidiidae by Carpenter (1992), Novokshonov (1998), Rasnitsyn (2004), Huang et al. (2016).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Dichentomum Tillyard p. 320 |
| 1926 | Psocidium Tillyard p. 321 |
| 1926 | Chaetopsocidium Tillyard p. 331 |
| 1926 | Metapsocidium Tillyard p. 332 |
| 1926 | Pentapsocidium Tillyard p. 334 |
| 1926 | Permentomum Tillyard p. 335 |
| 1933 | Dichentomum Carpenter |
| 1962 | Dichentomum Zimmerman p. 1329 |
| 1992 | Dichentomum Carpenter p. 192 |
| 1998 | Dichentomum Novokshonov p. 44 |
| 2004 | Dichentomum Rasnitsyn p. 227 |
| 2016 | Dichentomum Huang 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.
G. †Dichentomum Tillyard 1926
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†Dichentomum arroyo Rasnitsyn 2004
†Dichentomum complexum Carpenter 1926
†Dichentomum grande Carpenter 1933
†Dichentomum latum Carpenter 1932
†Dichentomum minimum Tillyard 1926
†Dichentomum parvulum Carpenter 1932
†Dichentomum tinctum Tillyard 1926
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Invalid names: Chaetopsocidium sellardsi Tillyard 1926 [synonym], Metapsocidium loxoneurum Tillyard 1926 [synonym], Pentapsocidium indistinctum Tillyard 1926 [synonym], Permentomum tenuiforme Tillyard 1926 [synonym], Psocidium abnormale Tillyard 1926 [synonym], Psocidium kansasense Tillyard 1926 [synonym], Psocidium permianum Tillyard 1926 [synonym], Psocidium robustum Tillyard 1926 [synonym]
Invalid names: Chaetopsocidium Tillyard 1926 [synonym], Metapsocidium Tillyard 1926 [synonym], Pentapsocidium Tillyard 1926 [synonym], Permentomum Tillyard 1926 [synonym], Psocidium Tillyard 1926 [synonym]
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 | |||||
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | USA (New Mexico) | D. arroyo (122481 124386) D. sp. (124387) | |
| Artinskian | USA (Kansas) | D. complexum (151412) D. tinctum (21979 111320 114151) D. tinctum, D. grande (111319) D. tinctum, D. minimum, D. latum, D. parvulum (111217) D. tinctum, Psocidium sp., Psocidium permianum, Psocidium abnormale, Psocidium robustum, Psocidium kansasense, Psocidium minimum, Chaetopsocidium sellardsi, Metapsocidium loxoneurum, Pentapsocidium indistinctum, Permentomum tenuiforme (111219) | |
| Artinskian | USA (Oklahoma) | D. tinctum (104826) | |
| Kungurian | Russian Federation (Suksun) | D. sp. (108206) |