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Marginalosia
Taxonomy
Marginalosia was named by Waterhouse (1978) [Sepkoski's age data: P Dora Sepkoski's reference number: 427].
It was assigned to Dasyalosiinae by Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Echinalosiinae by Williams et al. (2007).
It was assigned to Dasyalosiinae by Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Echinalosiinae by Williams et al. (2007).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Marginalosia Waterhouse p. 64 |
| 2000 | Marginalosia Williams et al. p. 573 |
| 2002 | Marginalosia Sepkoski |
| 2007 | Marginalosia Williams et al. p. 2665 |
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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. †Marginalosia Waterhouse 1978
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†Marginalosia kalikotei Waterhouse 1975
†Marginalosia magna Abramov and Grigorieva 1988
†Marginalosia planata Waterhouse 1964
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 13.8 | 13.0 | 14.7 | 13.8 | 1.20 | |
| valve height | 10 | 12.1 | 7.30 | 15.7 | 13.1 | 2.96 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Williams et al. 2000, Aberhan et al. 2004 | |||||
Age range: base of the Capitanian to the top of the Changhsingian or 264.28000 to 251.90200 Ma
Collections (84 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian | Russian Federation | M. magna (82422 100523 100524) | |
| Wuchiapingian | China (Xizang) | M. kalikotei (73591) | |
| Changhsingian | China (Xizang) | M. kalikotei (73601 73602 73603 117541) | |
| Changhsingian | Nepal | Echinalosia kalikotei (43172 43190 43199 99791) M. kalikotei (43163 43164 43165 43166 43167 43168 43169 43170 43171 43173 43174 43178 43179 43184 43185 43186 43187 43188 43189 43191 43192 43194 43195 43196 43197 43198 43200 43216 43217 43218 43220 43221 43225 43228 43229 43230 43231 43238 43239 43242 43254 43256 43257 43261 43262 43263 43268 43270 43278 43285 62441 62446 120386 120490) | |
| Changhsingian | New Zealand | M. planata (7204 52778 52780 52785 52788 52789 52790 52791 52792 52793) Strophalosia planata (52753 52757 52759 52760 52767 52777 52786 120641) |