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Baryonyx
Taxonomy
Baryonyx was named by Charig and Milner (1986). Its type is Baryonyx walkeri.
It was assigned to Carnosauria by Russell and Dong (1994); to Megalosauroidea by Holtz (1995); to Baryonychidae by Charig and Milner (1986), Buffetaut (1989), Charig and Milner (1990), Viera and Torres (1995), Milner (1997), Charig and Milner (1997), Blows (1998), Naish et al. (2001), Rauhut (2003); to Spinosauridae by Paul (1988), Le Loeuff (1991), Sereno et al. (1994), Kellner and Campos (1996), Kellner (1996), Buffetaut (1997), Sereno (1997), Sues et al. (2002), Medeiros (2006), Candeiro et al. (2006), Gishlick and Gauthier (2007), Smith (2007), Porfiri et al. (2007), Li et al. (2007), Buffetaut (2010), Hendrickx and Mateus (2012), Hanson and Makovicky (2013), Hendrickx and Mateus (2014); and to Baryonychinae by Sereno et al. (1998), Buffetaut and Ouaja (2002), Ruiz-Omeñaca and Canudo (2003), Holtz et al. (2004), Sánchez-Hernández et al. (2007), Naish and Martill (2007), Buffetaut (2007), Canudo et al. (2008), Buffetaut (2008), Kellner et al. (2011), Mateus et al. (2011), Carrano et al. (2012), Allain et al. (2012), Hendrickx et al. (2016), Arden et al. (2019), Malafaia et al. (2020), Barker et al. (2021), Isasmendi et al. (2023).
It was assigned to Carnosauria by Russell and Dong (1994); to Megalosauroidea by Holtz (1995); to Baryonychidae by Charig and Milner (1986), Buffetaut (1989), Charig and Milner (1990), Viera and Torres (1995), Milner (1997), Charig and Milner (1997), Blows (1998), Naish et al. (2001), Rauhut (2003); to Spinosauridae by Paul (1988), Le Loeuff (1991), Sereno et al. (1994), Kellner and Campos (1996), Kellner (1996), Buffetaut (1997), Sereno (1997), Sues et al. (2002), Medeiros (2006), Candeiro et al. (2006), Gishlick and Gauthier (2007), Smith (2007), Porfiri et al. (2007), Li et al. (2007), Buffetaut (2010), Hendrickx and Mateus (2012), Hanson and Makovicky (2013), Hendrickx and Mateus (2014); and to Baryonychinae by Sereno et al. (1998), Buffetaut and Ouaja (2002), Ruiz-Omeñaca and Canudo (2003), Holtz et al. (2004), Sánchez-Hernández et al. (2007), Naish and Martill (2007), Buffetaut (2007), Canudo et al. (2008), Buffetaut (2008), Kellner et al. (2011), Mateus et al. (2011), Carrano et al. (2012), Allain et al. (2012), Hendrickx et al. (2016), Arden et al. (2019), Malafaia et al. (2020), Barker et al. (2021), Isasmendi et al. (2023).
Species
B. walkeri (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Baryonyx Charig and Milner p. 359 figs. 1-4 |
| 1988 | Baryonyx Paul p. 272 |
| 1989 | Baryonyx Buffetaut p. 85 |
| 1990 | Baryonyx Charig and Milner p. 139 |
| 1991 | Baryonyx Le Loeuff p. 105 |
| 1994 | Baryonyx Russell and Dong p. 2125 |
| 1994 | Baryonyx Sereno et al. p. 270 |
| 1995 | Baryonyx Holtz, Jr. p. 35A |
| 1995 | Baryonyx Viera and Torres p. 60 |
| 1996 | Baryonyx Kellner p. 614 |
| 1996 | Baryonyx Kellner and Campos p. 162 |
| 1997 | Baryonyx Buffetaut p. 214 |
| 1997 | Baryonyx Charig and Milner p. 13 |
| 1997 | Baryonyx Milner p. 699 |
| 1997 | Baryonyx Sereno p. 456 |
| 1998 | Baryonyx Blows p. 35 |
| 1998 | Baryonyx Sereno et al. p. 1302 |
| 2001 | Baryonyx Naish et al. p. 253 |
| 2002 | Baryonyx Buffetaut and Ouaja p. 419 |
| 2002 | Baryonyx Sues et al. p. 544 |
| 2003 | Baryonyx Rauhut p. 34 |
| 2003 | Baryonyx Ruiz-Omeñaca and Canudo p. 290 |
| 2004 | Baryonyx Holtz, Jr. et al. p. 72 |
| 2006 | Baryonyx Candeiro et al. p. 936 |
| 2006 | Baryonyx Medeiros p. 335 |
| 2007 | Baryonyx Buffetaut |
| 2007 | Baryonyx Gishlick and Gauthier p. 579 |
| 2007 | Baryonyx Li et al. p. 545 |
| 2007 | Baryonyx Naish and Martill p. 502 |
| 2007 | Baryonyx Porfiri et al. p. 548 |
| 2007 | Baryonyx Smith p. 104 |
| 2007 | Baryonyx Sánchez-Hernández et al. p. 191 |
| 2008 | Baryonyx Buffetaut p. 26 |
| 2008 | Baryonyx Canudo et al. p. 659 |
| 2010 | Baryonyx Buffetaut p. 175 |
| 2011 | Baryonyx Kellner et al. p. 104 |
| 2011 | Baryonyx Mateus et al. p. 54 |
| 2012 | Baryonyx Allain et al. p. 373 fig. 5 |
| 2012 | Baryonyx Carrano et al. p. 248 fig. 7 |
| 2012 | Baryonyx Hendrickx and Mateus p. 102 |
| 2013 | Baryonyx Hanson and Makovicky p. 781 |
| 2014 | Baryonyx Hendrickx and Mateus |
| 2016 | Baryonyx Hendrickx et al. p. 28 |
| 2019 | Baryonyx Arden et al. p. 279–280 |
| 2020 | Baryonyx Malafaia et al. p. 432 |
| 2021 | Baryonyx Barker et al. p. 8 |
| 2023 | Baryonyx Isasmendi et al. p. 918 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. J. Charig and A. C. Milner 1986 | As for species B. walkeri, below. |
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Marsh 1875, Peczkis 1995 | |||||
Age range: base of the Late/Upper Valanginian to the top of the Aptian or 137.05000 to 113.20000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Berriasian - Hauterivian | Spain (Aragon) | B. sp. (232344) | |
| Late/Upper Valanginian | United Kingdom (England) | B. walkeri (96621) | |
| Late/Upper Hauterivian - Early/Lower Barremian | Spain (Castilla y León) | B. sp. (68464 89271 89277) | |
| Late/Upper Hauterivian - Early/Lower Barremian | United Kingdom (England) | Baryonychidae indet. (53888) | |
| Late/Upper Hauterivian - Aptian | Spain (Castilla y Leon) | B. sp. (89274) | |
| Barremian | Spain (La Rioja) | B. sp. (170037) | |
| Early/Lower Barremian | United Kingdom (England) | B. walkeri (45193) | |
| Early/Lower Barremian | Portugal (Lisboa) | B. sp. (189306) | |
| Late/Upper Barremian | United Kingdom (England) | B. walkeri (45194) | |
| Late/Upper Aptian - Early/Lower Albian | Tunisia (Tataouine) | B. sp. (125935) |