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Dichentomum minimum
Taxonomy
Psocidium minimum was named by Tillyard (1926). Its type specimen is YPM 5110, an exoskeleton (complete insect), and it is an impression. Its type locality is Elmo, YPM 1921 collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.
It was recombined as Dichentomum minimum by Carpenter (1932), Huang et al. (2016).
It was recombined as Dichentomum minimum by Carpenter (1932), Huang et al. (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Psocidium minimum Tillyard p. 330 |
| 1932 | Dichentomum minimum Carpenter p. 9 |
| 2016 | Dichentomum minimum 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.
†Dichentomum minimum Tillyard 1926
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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: Artinskian or 290.10000 to 283.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Kansas) | Dichentomum minimum (111217) Psocidium minimum (type locality: 111219) |