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Pseudotetrasauropus
Taxonomy
Pseudotetrasauropus was named by Ellenberger (1965). It is considered to be a form taxon.
It was synonymized subjectively with Otozoum by Gand et al. (2000); it was synonymized subjectively with Brachychirotherium by Olsen and Galton (1984) and Klein and Lucas (2021).
It was assigned to Melanorosauridae by Ellenberger (1970); to Melanorosauria by Ellenberger (1972); to Prosauropoda by Nicosia and Loi (2003); to Otozoidae by Lockley et al. (2006); and to Prosauropoda by Hunt et al. (1998), Romero Molina et al. (2003) and D'Orazi Porchetti and Nicosia (2007).
It was synonymized subjectively with Otozoum by Gand et al. (2000); it was synonymized subjectively with Brachychirotherium by Olsen and Galton (1984) and Klein and Lucas (2021).
It was assigned to Melanorosauridae by Ellenberger (1970); to Melanorosauria by Ellenberger (1972); to Prosauropoda by Nicosia and Loi (2003); to Otozoidae by Lockley et al. (2006); and to Prosauropoda by Hunt et al. (1998), Romero Molina et al. (2003) and D'Orazi Porchetti and Nicosia (2007).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Pseudotetrasauropus Ellenberger |
| 1965 | Pseudotetrasauropus lehmani Ellenberger |
| 1970 | Pseudotetrasauropus Ellenberger p. 345 |
| 1970 | Pseudotetrasauropus mekalingensis Ellenberger p. 345 |
| 1970 | Pseudotetrasauropus lehmani Ellenberger p. 353 |
| 1972 | Pseudotetrasauropus mekalingensis Ellenberger p. 59–60 |
| 1972 | Pseudotetrasauropus Ellenberger p. 152 |
| 1984 | Brachychirotherium mekalingensis Olsen and Galton p. 109 |
| 1998 | Pseudotetrasauropus Hunt et al. p. 523 |
| 2000 | Otozoum mekalingensis Gand et al. p. 609 |
| 2003 | Pseudotetrasauropus mekalingensis Avanzini et al. p. 187 |
| 2003 | Pseudotetrasauropus Nicosia and Loi p. 138 |
| 2003 | Pseudotetrasauropus Romero Molina et al. p. 24 |
| 2006 | Pseudotetrasauropus Lockley et al. p. 205 |
| 2007 | Pseudotetrasauropus D'Orazi Porchetti and Nicosia pp. 222-227 |
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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. †Pseudotetrasauropus Ellenberger 1965
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†Pseudotetrasauropus andusiensis Ellenberger 1965
†Pseudotetrasauropus bipedoida Ellenberger 1970
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Invalid names: Pseudotetrasauropus augustus Ellenberger 1970 [synonym]
†Pseudotetrasauropus corbesiensis Ellenberger 1965
†Pseudotetrasauropus jaquesi Ellenberger 1970
Invalid names: Pseudotetrasauropus lehmani Ellenberger 1965 [nomen nudum], Pseudotetrasauropus mekalingensis Ellenberger 1970 [nomen dubium]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. G. Lockley et al. 2006 | Trackway of a large biped; digitigrade; four straight, anteriorly oriented digit impressions; clear basal pad, related to the presence of an ubiquitous fifth digit on the posterolateral margin; digits almost completely separate along their lengths; foot axis orientation slightly variable from inward to outward. | |
| S. D'Orazi Porchetti and U. Nicosia 2007 | Trackway of a biped of large dimension, digitigrade. Four straight digits impressions anteriorly oriented. A clear basal pad, related to the presence of a fifth digit always present on the rear margin, slightly on the external border. Digits almost completely separated along their length. Foot axis orientation slightly variable from inward to outward. |
Measurements
No measurements are available
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| Source: infrao = infraorder, c = class, subp = subphylum | |||||
| References: Norman and Weishampel 1991, Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Carnian to the top of the Late/Upper Triassic or 237.00000 to 201.40000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian | Lesotho (Mohale's Hoek) | P. mekalingensis (206555) | |
| Late/Upper Triassic | USA (Utah) | P. sp. (219952) | |
| Norian | United Kingdom (Wales) | P. sp. (57949 222914) | |
| Norian | USA (New Mexico) | Pentasauropus sp. (46560) P. sp. (52168) | |
| Norian | Lesotho (Mohale's Hoek) | Otozoum sp. (56030) | |
| Norian | USA (Colorado) | P. sp. (55259) | |
| Norian | Lesotho (Maseru) | P. augustus, Tetrasauropus jaquesi (56029) | |
| Rhaetian | USA (Utah) | P. sp. (57063 57064) |