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Paraschizodus
Taxonomy
Paraschizodus was named by Newell and Boyd (1975) [Sepkoski's age data: P Leon-u Sepkoski's reference number: 1066]. Its type is Paraschizodus elongatus.
It was assigned to Myophoriidae by Newell and Boyd (1975), Mello (1999); and to Trigonioida by Sepkoski (2002).
It was assigned to Myophoriidae by Newell and Boyd (1975), Mello (1999); and to Trigonioida by Sepkoski (2002).
Species
P. elongatus (type species), P. rothi
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Paraschizodus Newell and Boyd p. 144 |
| 1999 | Paraschizodus Mello p. 70 |
| 2002 | Paraschizodus Sepkoski |
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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. †Paraschizodus Newell and Boyd 1975
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†Paraschizodus elongatus Newell and Boyd 1975
†Paraschizodus rothi Newell and Boyd 1975
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 19.7 | - | - | - | - | |
| valve height | 12 | 8.64 | 5.00 | 16.6 | 8.50 | 4.05 |
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Kungurian to the top of the Changhsingian or 283.30000 to 251.90200 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | USA (Wyoming) | P. elongatus (81585 136206) | |
| Changhsingian | USA (Texas) | Schizodus oklahomensis (116734) |