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Geothomasia valida
Taxonomy
Ingelarella valida was named by Campbell (1961). Its type specimen is UQ F21918, a valve (Ventral valve internal mold), and it is a mold. Its type locality is UQ L1627, Homevale Bed 10, Nebo Synclinorium, which is in an Artinskian marine siliciclastic in the Tiverton Formation of Australia.
It was recombined as Martiniopsis valida by Clarke (1971); it was recombined as Tomiopsis valida by Waterhouse (1987); it was recombined as Geothomasia valida by Waterhouse (1998).
It was recombined as Martiniopsis valida by Clarke (1971); it was recombined as Tomiopsis valida by Waterhouse (1987); it was recombined as Geothomasia valida by Waterhouse (1998).
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Ingelarella valida Campbell p. 177 figs. Pl 28, figs 14,15 |
| 1971 | Martiniopsis valida Clarke |
| 1987 | Tomiopsis valida Waterhouse p. 30 figs. Pl 8, figs 10,11 |
| 1998 | Geothomasia valida Waterhouse |
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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.
†Geothomasia valida Campbell 1961
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Waterhouse 1987 | Shell with deep sulcus, high fold, and few well formed plicae as in profunda, distinguished by reaching larger size, with thick umbonal thickening in ventral valve and more widely spaced diverging adminicula. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Australia (Queensland) | Ingelarella valida (103885 103893 103894 103895 103896 103897 type locality: 103898 103899) Tomiopsis valida (66274) | |
| Kungurian | Australia (Tasmania) | Martiniopsis valida (105425) |