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Athyris (Composita) semirostrata
Taxonomy
Athyris (Composita) semirostrata was named by Reed (1944). It is a 3D body fossil. Its type locality is North end of hill S of Misri Khan, just below Cliff lst, Trans-Indus Range, which is in a Capitanian marine sandstone in Pakistan.
Sister species lacking formal opinion data
A. area, A. bayeti, A. chitralensis, A. cingulata, A. expansa, A. gerolsteinensis, A. hunanensis, A. juno, A. minuta, A. mollizonota, A. murchisoni, A. odolens, A. oehlerti, A. reticulata, A. sulcifera, A. undata, A. vittata, A. waratahensis, A. wiragullensis, A. fultonensis, A. vittata, Composita ambigua, Composita bellula, Composita caimaensis, Composita ficoidea, Composita gibbosa, Composita humilis, Composita immatura, Composita lateralis, Composita megala, Composita oblonga, Composita ptygmation, Composita salve, Composita struniensis, Composita trilobata
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Athyris (Composita) semirostrata Reed p. 273 figs. Pl 39, figs 8,9 |
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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.
†Athyris (Composita) semirostrata Reed 1944
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 12.0 | 12.0 | 12.0 | 12.0 | - |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Capitanian or 264.28000 to 259.51000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian | Pakistan | Athyris semirostrata (type locality: 127033) |