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Maitaia trechmanni
Taxonomy
Maitaia trechmanni was named by Marwick (1934). Its type specimen is NZGS TM2033 and is a 3D body fossil. Its type locality is GS143, Dun Mountain Tramway, Wooded Peak, Nelson, which is in a Wuchiapingian carbonate limestone in the Tramway Formation of New Zealand.
It was recombined as Atomodesma trechmanni by Waterhouse (1958), Waterhouse (1963), Waterhouse (1969), Waterhouse (1976).
It was recombined as Atomodesma trechmanni by Waterhouse (1958), Waterhouse (1963), Waterhouse (1969), Waterhouse (1976).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Maitaia trechmanni Marwick p. 948 |
| 1958 | Atomodesma trechmanni Waterhouse p. 171 fig. 2B |
| 1963 | Atomodesma trechmanni Waterhouse p. 7710 figs. Pl 102, figs 2,3,5-7; pl 103, figs 1-4 |
| 1969 | Atomodesma trechmanni Waterhouse p. 256 figs. Pl 1, figs 9-11 |
| 1976 | Atomodesma trechmanni Waterhouse p. 248 fig. 7.2 |
| 1980 | Maitaia trechmanni Waterhouse p. 109 fig. 2.9,3.3,3.4 |
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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.
†Maitaia trechmanni Marwick 1934
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 41.6 | 32.0 | 59.0 | 38.0 | 14.2 |
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| Source: subc = subclass, c = class | |||||
| References: Eaton 1871, Aberhan et al. 2004 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | New Zealand | Atomodesma trechmanni (type locality: 120423 120430 120431 120432 120433 120434 120435) Maitaia trechmanni (121735) | |
| Wuchiapingian | New Zealand (Southland) | Atomodesma trechmanni (39926 39928 39929) | |
| Changhsingian | New Caledonia | Atomodesma trechmanni (134258) |