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Piatnitzkysaurus floresi
Taxonomy
Piatnitzkysaurus floresi was named by Bonaparte (1979). Its type specimen is PVL 4073, a partial skeleton, and it is a 3D body fossil. Its type locality is 1 km east of Cerro Cóndor, which is in a Toarcian fluvial-lacustrine tuff in the Cañadón Asfalto Formation of Argentina.
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Piatnitzkysaurus floresi Bonaparte p. 226 |
| 1981 | Piatnitzkysaurus floresi Bonaparte p. 669 |
| 1981 | Piatnitzkysaurus floresi Molnar et al. p. 145 |
| 1984 | Piatnitzkysaurus floresi Bonaparte p. 135 |
| 1986 | Piatnitzkysaurus floresi Bonaparte |
| 1988 | Piatnitzkysaurus floresi Paul p. 288 |
| 1990 | Piatnitzkysaurus floresi Molnar et al. p. 189 |
| 1996 | Piatnitzkysaurus floresi Molnar et al. p. 667 |
| 1996 | Piatnitzkysaurus floresi Novas p. 676 |
| 1996 | Piatnitzkysaurus floresi Osmólska p. 28 |
| 1997 | Piatnitzkysaurus floresi Novas p. 681 |
| 2000 | Piatnitzkysaurus floresi Foster and Chure p. 7 |
| 2003 | Piatnitzkysaurus floresi Rauhut p. 20 |
| 2004 | Piatnitzkysaurus floresi Holtz, Jr. et al. p. 72 |
| 2005 | Piatnitzkysaurus floresi Yates p. 117 |
| 2006 | Piatnitzkysaurus floresti Malkani p. 8 |
| 2006 | Piatnitzkysaurus floresi Martínez and Novas p. 244 |
| 2007 | Piatnitzkysaurus floresi Gómez-Fernández et al. p. 97 |
| 2007 | Piatnitzkysaurus floresi Juárez Valieri et al. p. 60 |
| 2007 | Piatnitzkysaurus floresi Rauhut p. 482 |
| 2008 | Piatnitzkysaurus floresi Escapa et al. p. 617 |
| 2009 | Piatnitzkysaurus floresi Bever and Norell p. 35 |
| 2009 | Piatnitzkysaurus floresi Bittencourt and Kellner p. 34 |
| 2009 | Piatnitzkysaurus floresi Wu et al. p. 23 |
| 2012 | Piatnitzkysaurus floresi Carrano et al. pp. 238-239 |
| 2013 | Piatnitzkysaurus floresi Fernandes de Azevedo et al. p. 134 |
| 2013 | Piatnitzkysaurus floresi Hanson and Makovicky p. 780 |
| 2014 | Piatnitzkysaurus floresi Delsate and Ezcurra p. 178 |
| 2014 | Piatnitzkysaurus floresi Hendrickx and Mateus p. 20 |
| 2017 | Piatnitzkysaurus floresi Ezcurra p. 517 |
| 2017 | Piatnitzkysaurus floresi Souto and Fernandes p. 232 |
| 2018 | Piatnitzkysaurus floresi Aureliano et al. p. 287 |
| 2019 | Piatnitzkysaurus floresi Zahner and Brinkmann p. 1148 |
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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.
†Piatnitzkysaurus floresi Bonaparte 1979
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. F. Bonaparte 1986 | Allosaurid with deep depressions between the basioccipital condyle and the opisthotic process; braincase similar to that of Eustreptospondylus but with more pronounced lateral basisphenoid depressions and alar process of the laterosphenoid. Most postcranial characters comparable to those of Allosaurus, but with a shorter scapula and a coracoid not expanded but subcircular. Pubis with an obturator foramen totally enclosed by an bony lamina and forming a modest neck; ischium less reduced ventrally than that of Allosaurus. Ulna, tibia and femur more slender than in Allosaurus, but proportionally a little more massive than in Dilophosaurus. (Translated by M. Carrano.) | |
| M. T. Carrano et al. 2012 | Tetanuran with: (1) strongly inflated base of maxillary ascending process (Rauhut 2003); and (2) evenly rounded ventral surfaces of most sacral centra, except sacral 3 bears flat midline strip and sacral 5 is broad and flat (Benson 2010a). |