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Ischyrhiza avonicola
Taxonomy
Ischyrhiza avonicola was named by Estes (1964). Its type specimen is UCMP 53917, a tooth (complete rostral tooth), and it is a 3D body fossil. Its type locality is Lull 2 Quarry (UCMP V-5620), which is in a Maastrichtian terrestrial sandstone in the Lance Formation of Wyoming.
It was recombined as Ischirhiza avonicola by Cappetta (1973); it was recombined as Texatrygon avonicola by Wynd et al. (2020).
It was recombined as Ischirhiza avonicola by Cappetta (1973); it was recombined as Texatrygon avonicola by Wynd et al. (2020).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Ischyrhiza avonicola Estes p. 13 |
| 1973 | Ischirhiza avonicola Cappetta p. 510 figs. Pl 1, figs 8-13 |
| 1975 | Ischyrhiza avonicola Cappetta and Case p. 29 figs. 8A-G |
| 1977 | Ischyrhiza avonicola Herman p. 294 |
| 1978 | Ischyrhiza avonicola Case p. 195 |
| 1987 | Ischyrhiza avonicola Cappetta p. 150 |
| 1989 | Ischyrhiza avonicola Bryant p. 12 |
| 1997 | Ischyrhiza monasterica Case and Cappetta |
| 2019 | Ischyrhiza avonicola Hoganson et al. p. 37 figs. 9.17-9.21 |
| 2020 | Texatrygon avonicola Wynd et al. |
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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.
†Ischyrhiza avonicola Estes 1964
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Invalid names: Ischyrhiza monasterica Case and Cappetta 1997 [synonym]
Diagnosis
No diagnoses are available