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Ivshinaspis
Taxonomy
Ivshinaspis was named by Petrunina (1973) [Sepkoski's age data: Cm Trep]. It is not extant. Its type is Ivshinaspis crispa.
It was assigned to Richardsonellidae by Bao and Jago (2000); to Ptychopariida by Sepkoski (2002); and to Remopleurididae by Jell and Adrain (2002).
It was assigned to Richardsonellidae by Bao and Jago (2000); to Ptychopariida by Sepkoski (2002); and to Remopleurididae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Ivshinaspis Petrunina |
| 2000 | Ivshinaspis Bao and Jago pp. 906, 908 |
| 2002 | Ivshinaspis Jell and Adrain p. 389 |
| 2002 | Ivshinaspis 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. †Ivshinaspis Petrunina 1973
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†Ivshinaspis crispa Petrunina 1973
†Ivshinaspis formosa Duan et al. 1999
†Ivshinaspis reticulata Bao and Jago 2000
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Payntonian to the top of the Datsonian or 491.00000 to 486.85000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Batyrbaian | Kazakhstan | I. crispa (118905 118906 118907 118908 118909 118910) | |
| Niuchehean | China (Hunan) | I. formosa (130104) I. quadrata, I. crispa (107329) | |
| Payntonian - Datsonian | Australia (Tasmania) | I. reticulata (62281) |