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Leanzatrigonia coihuicoensis
Taxonomy
Trigonia coihuicoensis was named by Weaver (1931).
It was recombined as Haidaia coihuicoensis by Kobayashi and Tamura (1955); it was recombined as Pterotrigonia coihuicoensis by Freneix (1958); it was recombined as Promyophorella coihuicoensis by Nakana (1974); it was recombined as Myophorella coihuicoensis by Reyes and Pérez (1979); it was recombined as Pterotrigonia (Rinetrigonia) coihuicoensis by Leanza (1993); it was recombined as Oistotrigonia coihuicoensis by Yanin (2004); it was recombined as Leanzatrigonia coihuicoensis by Cooper (2015).
It was recombined as Haidaia coihuicoensis by Kobayashi and Tamura (1955); it was recombined as Pterotrigonia coihuicoensis by Freneix (1958); it was recombined as Promyophorella coihuicoensis by Nakana (1974); it was recombined as Myophorella coihuicoensis by Reyes and Pérez (1979); it was recombined as Pterotrigonia (Rinetrigonia) coihuicoensis by Leanza (1993); it was recombined as Oistotrigonia coihuicoensis by Yanin (2004); it was recombined as Leanzatrigonia coihuicoensis by Cooper (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Trigonia coihuicoensis Weaver p. 268 figs. pl. 27 f. 151; pl. 28 f. 155-160 |
| 1955 | Haidaia coihuicoensis Kobayashi and Tamura |
| 1958 | Pterotrigonia coihuicoensis Freneix p. 190 |
| 1974 | Promyophorella coihuicoensis Nakana |
| 1979 | Myophorella coihuicoensis Reyes and Pérez |
| 1993 | Pterotrigonia (Rinetrigonia) coihuicoensis Leanza pp. 61 - 62 figs. pl. 16 f. 6, 9, 11 |
| 2004 | Oistotrigonia coihuicoensis Yanin |
| 2015 | Leanzatrigonia coihuicoensis Cooper p. 28 figs. 6A-B |
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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.
†Leanzatrigonia coihuicoensis Weaver 1931
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| height | 1 | 16.0 |
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Valanginian to the top of the Early/Lower Hauterivian or 137.05000 to 125.77000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Valanginian | Argentina (Neuquen) | Pterotrigonia coihuicoensis (44679) | |
| Valanginian - Hauterivian | Chile (Coquimbo) | Myophorella coihuicoensis (221557) | |
| Early/Lower Hauterivian | Argentina (Neuquen) | Pterotrigonia coihuicoensis (44680 47202) | |
| Hauterivian | Argentina (Neuquén) | Pterotrigonia coihuicoensis (275175) | |
| Late/Upper Hauterivian | Chile (Huasco) | Pterotrigonia coihuicoensis (223241) | |
| Late/Upper Hauterivian - Early/Lower Barremian | Argentina (Neuquén) | Pterotrigonia coihuicoensis (154107 154108) |