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Mamenchisaurus
Taxonomy
Mamenchisaurus was named by Young (1954).
It was assigned to Sauropoda by Huene (1958); to Titanosauridae by Young (1954), Young (1958), Huene (1959) and Romer (1966); to Cetiosauridae by Tatarinov (1964) and Rozhdestvensky (1977); to Homalosauropodoidea by Zhao (1983); to Diplodocidae by Berman and McIntosh (1978), Charig (1980), Bonaparte (1986) and Carroll (1988); to Mamenchisaurinae by McIntosh (1990), McIntosh (1990) and Dong (1992); to Euhelopodinae by Steel (1970), Dong et al. (1983), Dong (1990) and Martin-Rolland (1999); to Euhelopodidae by Upchurch (1995), Upchurch (1995), Buffetaut et al. (1995), Hunt et al. (1995), Buffetaut et al. (1997), Buffetaut et al. (2002), Royo-Torres et al. (2006), Buffetaut et al. (2006) and Lü et al. (2006); to Omeisauridae by Wilson (2002) and Allain and Aquesbi (2008); to Eusauropoda by Upchurch et al. (2004), Ksepka and Norell (2010), Otero and Pol (2013) and Mocho et al. (2014); to Mamenchisauridae by Chao (1965), Young and Chao (1972), He (1984), He et al. (1988), Russell and Zheng (1994), He et al. (1996), Zhang and Chen (1996), McIntosh (1997), Dong (1997), Dong (1998), Ouyang and Ye (2002), Peng et al. (2005), Naish and Martill (2007), Lü et al. (2008), Suteethorn et al. (2010), Sekiya (2011), Li et al. (2011), Suteethorn et al. (2013), Xing et al. (2015), Ren et al. (2018), Tan et al. (2019), Mannion et al. (2019) and Maisch and Matzke (2019); and to Mamenchisauridae by Moore et al. (2023).
It was assigned to Sauropoda by Huene (1958); to Titanosauridae by Young (1954), Young (1958), Huene (1959) and Romer (1966); to Cetiosauridae by Tatarinov (1964) and Rozhdestvensky (1977); to Homalosauropodoidea by Zhao (1983); to Diplodocidae by Berman and McIntosh (1978), Charig (1980), Bonaparte (1986) and Carroll (1988); to Mamenchisaurinae by McIntosh (1990), McIntosh (1990) and Dong (1992); to Euhelopodinae by Steel (1970), Dong et al. (1983), Dong (1990) and Martin-Rolland (1999); to Euhelopodidae by Upchurch (1995), Upchurch (1995), Buffetaut et al. (1995), Hunt et al. (1995), Buffetaut et al. (1997), Buffetaut et al. (2002), Royo-Torres et al. (2006), Buffetaut et al. (2006) and Lü et al. (2006); to Omeisauridae by Wilson (2002) and Allain and Aquesbi (2008); to Eusauropoda by Upchurch et al. (2004), Ksepka and Norell (2010), Otero and Pol (2013) and Mocho et al. (2014); to Mamenchisauridae by Chao (1965), Young and Chao (1972), He (1984), He et al. (1988), Russell and Zheng (1994), He et al. (1996), Zhang and Chen (1996), McIntosh (1997), Dong (1997), Dong (1998), Ouyang and Ye (2002), Peng et al. (2005), Naish and Martill (2007), Lü et al. (2008), Suteethorn et al. (2010), Sekiya (2011), Li et al. (2011), Suteethorn et al. (2013), Xing et al. (2015), Ren et al. (2018), Tan et al. (2019), Mannion et al. (2019) and Maisch and Matzke (2019); and to Mamenchisauridae by Moore et al. (2023).
Synonymy list
Year | Name and author |
---|---|
1954 | Mamenchisaurus Young p. 500 |
1958 | Mamenchisaurus Huene p. 205 |
1958 | Mamenchisaurus Young p. 25 |
1959 | Mamenchisaurus Huene p. 121 |
1964 | Mamenchisaurus Tatarinov p. 545 |
1965 | Mamenchisaurus Chao |
1966 | Mamenchisaurus Romer p. 370 |
1970 | Mamenchisaurus Steel p. 71 |
1972 | Mamenchisaurus Young and Chao p. 2 |
1977 | Mamenchisaurus Rozhdestvensky p. 113 |
1978 | Mamenchisaurus Berman and McIntosh p. 34 |
1980 | Mamenchisaurus Charig p. 239 |
1983 | Mamenchisaurus Dong et al. p. 27 |
1983 | Mamenchisaurus Zhao p. 304 |
1984 | Mamenchisaurus He p. 61 |
1986 | Mamenchisaurus Bonaparte p. 371 |
1988 | Mamenchisaurus Carroll |
1988 | Mamenchisaurus He et al. p. 131 |
1990 | Mamenchisaurus Dong p. 58 |
1990 | Mamenchisaurus McIntosh p. 56 |
1992 | Mamenchisaurus Dong p. 164 |
1994 | Mamenchisaurus Russell and Zheng |
1995 | Mamenchisaurus Buffetaut et al. p. 159 |
1995 | Mamenchisaurus Hunt et al. p. 264 |
1995 | Mamenchisaurus Upchurch p. 253 |
1996 | Mamenchisaurus He et al. |
1996 | Mamenchisaurus Zhang and Chen |
1997 | Mamenchisaurus Buffetaut et al. p. 178 |
1997 | Mamenchisaurus Dong p. 122 |
1997 | Mamenchisaurus McIntosh p. 657 |
1998 | Mamenchisaurus Dong p. 84 |
1999 | Mamenchisaurus Martin-Rolland p. 310 |
2002 | Mamenchisaurus Buffetaut et al. p. 96 |
2002 | Mamenchisaurus Ouyang and Ye p. 90 |
2002 | Mamenchisaurus Wilson p. 240 fig. 13 |
2004 | Mamenchisaurus Upchurch et al. p. 262 |
2005 | Mamenchisaurus Peng et al. |
2006 | Mamenchisaurus Buffetaut et al. p. 24 |
2006 | Mamenchisaurus Lü et al. p. 9 |
2006 | Mamenchisaurus Royo-Torres et al. p. 1926 fig. 3 |
2007 | Mamenchisaurus Naish and Martill p. 498 |
2008 | Mamenchisaurus Allain and Aquesbi p. 403 |
2008 | Mamenchisaurus Lü et al. p. 21 |
2010 | Mamenchisaurus Ksepka and Norell |
2010 | Mamenchisaurus Suteethorn et al. |
2011 | Mamenchisaurus Li et al. p. 24 |
2011 | Mamenchisaurus Sekiya |
2013 | Mamenchisaurus Otero and Pol |
2013 | Mamenchisaurus Suteethorn et al. |
2014 | Mamenchisaurus Mocho et al. |
2015 | Mamenchisaurus Xing et al. |
2018 | Mamenchisaurus Ren et al. |
2019 | Mamenchisaurus Maisch and Matzke p. 111 |
2019 | Mamenchisaurus Mannion et al. |
2019 | Mamenchisaurus Tan et al. p. 110 |
2023 | Mamenchisaurus Moore 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.
G. †Mamenchisaurus Young 1954
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†Mamenchisaurus anyuensis He et al. 1996
†Mamenchisaurus constructus Young 1954
†Mamenchisaurus hochuanensis Chao 1965
†Mamenchisaurus jingyanensis Zhang et al. 1998
†Mamenchisaurus sinocanadorum Russell and Zheng 1994
†Mamenchisaurus youngi Pi et al. 1996
Diagnosis
Reference | Diagnosis | |
---|---|---|
G. Peng et al. 2005 | Huge derived sauropod characterized by extremely small skull with large cranial openings; well developed occipital crest; slender mandible with an external mandibular foramen and dorsally arched ventral margin; long dentition with much more teeth; primitive teeth with serrated anterior and posterior margins while serrations disappeared in derived teeth; 18~19 cervicals, 12 dorsals, 4~5 sacrals, and more than 50 caudals; opisthocoelous presacrals with cacellous structure in varied degree; bifurcated neural spines in posterior cervicals and anterior dorsals; long neck with elongated cervical centra and ribs; precoelous anterior caudals and amphiplatyan middle and posterior caudals; forked distal ends of middle and posterior chevrons; scapula longer than femur; sternum small and subcircular-shaped; forelimb about 3/4 ~ 4/5 of length of hindlimb; and small manus and pes. |
Measurements
No measurements are available
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Source: g = genus, infrao = infraorder | |||||
References: Marsh 1875, Peczkis 1995 |
Age range: base of the Bathonian to the top of the Late/Upper Aptian or 168.30000 to 113.00000 Ma
Collections (22 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Bathonian - Callovian | China (Sichuan) | M. hochuanensis (28231 53662 58975) M. hochuanensis, M. jingyanensis (60064) M. sp. (47134) M. youngi (58974) | |
Late/Upper Jurassic | Mongolia (Govi-Altay) | M. sp. (48822) | |
Late/Upper Jurassic | China (Sichuan) | M. anyuensis (58976) M. constructus (57772) | |
Late/Upper Jurassic | China (Gansu) | M. constructus (49792 57770) | |
Early/Lower Oxfordian | China (Xinjiang) | Sauropoda indet. (36569) | |
Kimmeridgian - Tithonian | China (Sichuan) | M. constructus (24864) | |
Tithonian | Mongolia (Govi-Altay) | M. sp. (179178 179181 179182 179183 179184) Sauropoda indet. (69913) | |
Tithonian - Berriasian | Thailand (Kalasin) | M. sp. (141557) | |
Tithonian - Berriasian | Thailand (Mukdahan) | M. sp. (78979) | |
Late/Upper Aptian | China (Sichuan) | M. anyuensis (58977) |