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Trigonotreta lyonsensis
Taxonomy
Trigonotreta lyonsensis was named by Archbold and Thomas (1986). Its type specimen is CPC24363, a partial shell (Incomplete external mould, dorsal valve), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Trigonotreta lyonsensis Archbold and Thomas pp. 151-152 figs. 15A-F |
| 2005 | Trigonotreta lyonsensis Angiolini et al. p. 79 figs. 8A-D |
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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.
†Trigonotreta lyonsensis Archbold and Thomas 1986
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 11.2 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Pakistan | Trigonotreta lyonsensis (50590 123826 123827 123829) | |
| Sakmarian | Australia (Western Australia) | Trigonotreta lyonsensis (83210) | |
| Sakmarian | Pakistan | Neospirifer nitiensis (123044) |