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Mackinnonia
Taxonomy
Mackinnonia was named by Bengtson et al. (1990) [Sepkoski's age data: Cm Atda-u Cm Boto-u Sepkoski's reference number: 923,1235].
It was replaced with Davidonia by Parkhaev (2017).
It was assigned to Cyrtonellida by Bengtson (1992); to Helcionelloida by Landing and Bartowski (1996); to Mollusca by Sepkoski (2002); to Helcionellidae by Bengtson et al. (1990), Runnegar (1990), Skovsted (2004), Wotte (2006); and to Trenellidae by Parkhaev (2002), Parkhaev (2005), Wagner (2023).
It was replaced with Davidonia by Parkhaev (2017).
It was assigned to Cyrtonellida by Bengtson (1992); to Helcionelloida by Landing and Bartowski (1996); to Mollusca by Sepkoski (2002); to Helcionellidae by Bengtson et al. (1990), Runnegar (1990), Skovsted (2004), Wotte (2006); and to Trenellidae by Parkhaev (2002), Parkhaev (2005), Wagner (2023).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Mackinnonia Bengtson et al. |
| 1990 | Mackinnonia Runnegar p. 233 |
| 1992 | Mackinnonia Bengtson p. 1027 |
| 1996 | Mackinnonia Landing and Bartowski p. 754 |
| 2002 | Mackinnonia Parkhaev p. 35 |
| 2002 | Mackinnonia Sepkoski |
| 2004 | Mackinnonia Skovsted p. 15 |
| 2005 | Mackinnonia Parkhaev |
| 2006 | Mackinnonia Wotte p. 151 |
| 2023 | Mackinnonia Wagner p. G910 |
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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. †Mackinnonia Bengtson et al. 1990
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†Mackinnonia anabarica Parkhaev 2005
†Mackinnonia corrugata Bengtson et al. 1990
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, superf = superfamily, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009 | |||||
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Australia (South Australia) | Leptostega corrugata (97740 97741 97742 97743 97744) M. plicata (97722) | |
| Montezuman | Mexico | M. corrugata (203103 203104) | |
| Branchian | USA (Massachusetts) | Helcionella abrupta (56854) | |
| Botomian | Russian Federation (Siberia) | M. anabarica (174258 174260) M. sp. (97799) | |
| Botomian | Australia (South Australia) | Leptostega corrugata (225121) M. corrugata (67981) M. plicata (96916 96932 96958 97723 97730) | |
| Toyonian | Australia (South Australia) | M. plicata (96921) |