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Trisauropodiscus
Taxonomy
Trisauropodiscus was named by Ellenberger (1970). It is considered to be a form taxon. Its type is Trisauropodiscus aviforma.
It was synonymized subjectively with Gruipeda by de Valais and Melchor (2008).
It was assigned to Coelurosauria by Ellenberger (1972); to Trisauropodiscidae by Lockley et al. (1992); to Theropoda by Romero Molina et al. (2003); and to Theropoda by Knoll (2005).
It was synonymized subjectively with Gruipeda by de Valais and Melchor (2008).
It was assigned to Coelurosauria by Ellenberger (1972); to Trisauropodiscidae by Lockley et al. (1992); to Theropoda by Romero Molina et al. (2003); and to Theropoda by Knoll (2005).
Species
T. aviforma (type species), T. galliforma, T. levis, T. phasianiforma, T. pompompoi, T. superaviforma, T. superavipes
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Trisauropodiscus Ellenberger p. 346 |
| 1972 | Trisauropodiscus Ellenberger p. 152 |
| 1992 | Trisauropodiscus Lockley et al. p. 125 figs. 13, 15 |
| 2003 | Trisauropodiscus Romero Molina et al. p. 24 |
| 2005 | Trisauropodiscus Knoll p. 84 |
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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.
G. †Trisauropodiscus Ellenberger 1970
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†Trisauropodiscus aviforma Ellenberger 1970
†Trisauropodiscus galliforma Ellenberger 1970
†Trisauropodiscus levis Ellenberger 1970
†Trisauropodiscus phasianiforma Ellenberger 1970
†Trisauropodiscus pompompoi Ellenberger 1970
†Trisauropodiscus superaviforma Ellenberger 1970
†Trisauropodiscus superavipes Ellenberger 1970
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. G. Lockley et al. 1992 | Tetradactyl or tridactyl slender-toed aviform tracks with wide digit divarication angles. Size range form about 2-7 cm ( width divarication between digits II and IV in the range of 90°-120°. Trackways with relatively long steps (about four times foot length) and positive (inward) rotation of axis of digit III. Hallux length and orientation variable; impressions faint or absent in some examples. |