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Pleisiogramma
Taxonomy
Pleisiogramma was named by Carpenter (1943). Its type is Pleisiogramma medialis.
It was assigned to Pleisiogrammidae by Carpenter (1943); to Pleisiogrammatidae by Martynova (1961), Novokshonov (1998); to Caloneurodea by Béthoux et al. (2004); and to Caloneuridae by Rasnitsyn (2004).
It was assigned to Pleisiogrammidae by Carpenter (1943); to Pleisiogrammatidae by Martynova (1961), Novokshonov (1998); to Caloneurodea by Béthoux et al. (2004); and to Caloneuridae by Rasnitsyn (2004).
Species
P. maueri, P. medialis (syn. P. reducta) (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Pleisiogramma Carpenter p. 73 |
| 1961 | Pleisiogramma Martynova p. 270 |
| 1998 | Pleisiogramma Novokshonov p. 40 |
| 2004 | Pleisiogramma Béthoux et al. p. 302 |
| 2004 | Pleisiogramma Rasnitsyn p. 218 |
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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. †Pleisiogramma Carpenter 1943
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†Pleisiogramma maueri Novokshonov 1998
†Pleisiogramma medialis Carpenter 1943
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Invalid names: Pleisiogramma reducta Carpenter 1943 [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 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 274.40000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Kansas) | Plesiogramma medialis (111319) Plesiogramma reducta (111217) | |
| Kungurian | Russian Federation | P. maueri (107787) |