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Aristonectinae
Taxonomy
Aristonectinae was named by Otero et al. (2012).
It was reranked as the subfamily Aristonectinae by O'Gorman (2015), O'Gorman (2016), O'Gorman (2016), O'Keefe et al. (2017), O'Gorman et al. (2019), O'Gorman et al. (2019), O'Gorman et al. (2021) and Otero (2024).
It was assigned to Weddellonectia by O'Gorman et al. (2019), O'Gorman (2019) and O'Gorman et al. (2021); and to Elasmosauridae by Otero et al. (2012), Otero and O'Gorman (2013), O'Gorman et al. (2014), Otero et al. (2014), Benson and Druckenmiller (2014), O'Gorman et al. (2014), Araujo et al. (2015), O'Gorman (2015), Otero et al. (2015), Otero et al. (2015), O'Gorman et al. (2016), O'Gorman (2016), O'Gorman (2016), Otero et al. (2016), O'Keefe et al. (2017), O'Gorman et al. (2019), Otero and Soto-Acuña (2021) and Otero (2024).
It was reranked as the subfamily Aristonectinae by O'Gorman (2015), O'Gorman (2016), O'Gorman (2016), O'Keefe et al. (2017), O'Gorman et al. (2019), O'Gorman et al. (2019), O'Gorman et al. (2021) and Otero (2024).
It was assigned to Weddellonectia by O'Gorman et al. (2019), O'Gorman (2019) and O'Gorman et al. (2021); and to Elasmosauridae by Otero et al. (2012), Otero and O'Gorman (2013), O'Gorman et al. (2014), Otero et al. (2014), Benson and Druckenmiller (2014), O'Gorman et al. (2014), Araujo et al. (2015), O'Gorman (2015), Otero et al. (2015), Otero et al. (2015), O'Gorman et al. (2016), O'Gorman (2016), O'Gorman (2016), Otero et al. (2016), O'Keefe et al. (2017), O'Gorman et al. (2019), Otero and Soto-Acuña (2021) and Otero (2024).
Synonyms
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Synonymy list
Year | Name and author |
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1874 | Mauisaurus Hector p. 334 |
1874 | Mauisaurus haasti Hector p. 346 |
1889 | Cimoliosaurus haasti Lydekker p. 215 |
1892 | Mauisaurus Seeley p. 151 |
1911 | Elasmosaurus haasti Bogolubov pp. 84, 355 |
1914 | Mauisaurus Wegner p. 290 |
1940 | Mauisaurus White p. 461 |
1962 | Mauisaurus haasti Welles pp. 75-76 |
1963 | Mauisaurus Persson p. 19 |
1963 | Mauisaurus haasti Persson p. 19 |
1971 | Mauisaurus Welles and Gregg p. 22 |
1971 | Mauisaurus haasti Welles and Gregg p. 22 |
1986 | Mauisaurus Wiffen and Moisley p. 221 |
1986 | Mauisaurus haasti Wiffen and Moisley p. 221 |
1988 | Mauisaurus Carroll |
1991 | Mauisaurus haasti Fordyce p. 1174 |
2002 | Mauisaurus Sepkoski |
2003 | Tuarangisaurus cabazai Gasparini et al. p. 164 figs. 5-7 |
2005 | Mauisaurus Hiller et al. p. 591 figs. 5-20 |
2006 | Mauisaurus haasti Scanlon p. 283 |
2010 | Mauisaurus Otero et al. |
2012 | Aristonectinae Otero et al. |
2012 | Mauisaurus Otero et al. |
2013 | Aristonectinae Otero and O'Gorman |
2014 | Aristonectinae Benson and Druckenmiller figs. 2-3 |
2014 | Aristonectinae O'Gorman et al. p. 43 |
2014 | Aristonectinae O'Gorman et al. |
2014 | Aristonectinae Otero et al. |
2015 | Aristonectinae Araujo et al. p. 94 |
2015 | Aristonectinae O'Gorman p. 190 |
2015 | Aristonectinae Otero et al. p. 3 |
2015 | Mauisaurus Otero et al. p. 3 |
2015 | Mauisaurus haasti Otero et al. p. 3 |
2015 | Aristonectinae Otero et al. p. 178 |
2016 | Aristonectinae O'Gorman p. 41 |
2016 | Aristonectinae O'Gorman et al. p. 65 |
2016 | Aristonectinae Otero et al. |
2017 | Aristonectinae O'Keefe et al. |
2019 | Aristonectinae O'Gorman |
2019 | Aristonectinae O'Gorman et al. p. 215 |
2019 | Aristonectinae O'Gorman et al. p. 40 |
2021 | Aristonectinae O'Gorman et al. |
2021 | Aristonectinae Otero and Soto-Acuña p. 7 |
2024 | Aristonectinae Otero p. 4 |
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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.
Subfm. †Aristonectinae Otero et al. 2012
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G. †Aristonectes Cabrera 1941
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†Aristonectes parvidens Cabrera 1941
†Aristonectes quiriquinensis Otero et al. 2014
Invalid names: Turneria Chatterjee and Small 1989 [synonym]
G. †Morturneria Chatterjee and Creisler 1994
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†Morturneria seymourensis Chatterjee and Creisler 1994
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Invalid names: Turneria seymourensis Chatterjee and Small 1989 [replaced]
Invalid names: Mauisaurus Hector 1874 [nomen dubium], Mauisaurus haasti Hector 1874 [nomen dubium], Tuarangisaurus cabazai Gasparini et al. 2003 [nomen dubium]
Diagnosis
Reference | Diagnosis | |
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R. A. Otero et al. 2012 | Late Cretaceous elasmosaurid plesiosaurians with the following characters: skull length not reduced or drastically enlarged in comparison to the body length; moderately large neck; presence of more than 25 teeth in the maxillar | |
J. P. O'Gorman et al. 2019 | Late Cretace ous elasmosaurid with the following combination of characters : relatively small teeth with seven or more teeth on each premaxilla; 36 or more teeth on each maxilla; 42 or more teeth on each dentary; short premaxilla in lateral view; cerv ical centra length shorter than or equal to height |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Kiessling 2004 |
Age range: base of the Campanian to the top of the Late/Upper Maastrichtian or 83.60000 to 66.00000 Ma
Collections (30 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Piripauan | New Zealand | Mauisaurus haasti (83537) | |
Campanian | New Zealand (South Island) | Mauisaurus haasti (37089 232395 232397) | |
Late/Upper Campanian | Antarctica (James Ross Island) | Aristonectinae indet. (123285) | |
Middle Campanian | New Zealand (South Island) | Mauisaurus haasti (97812) | |
Haumurian | New Zealand (Canterbury) | Elasmosauridae indet. (155319) Mauisaurus haastii (101408 101409) | |
Late/Upper Campanian - Early/Lower Maastrichtian | New Zealand (Hawke's Bay) | Mauisaurus haasti (232253) | |
Late/Upper Campanian - Maastrichtian | Argentina (Río Negro) | Plesiosauria indet. (51583) | |
Maastrichtian | Antarctica (Seymour Island) | Aristonectes sp. (63513) | |
Early/Lower Maastrichtian | Angola (Namibe) | Aristonectinae indet. (232402) | |
Late/Upper Maastrichtian | Antarctica | Aristonectes parvidens (140323) Aristonectes sp. (232357) Aristonectinae indet. (232334) Turneria seymourensis (13106) | |
Late/Upper Maastrichtian | New Zealand (South Island) | Mauisaurus haasti (232391 232392 232393 232401) | |
Late/Upper Maastrichtian | Chile | Aristonectinae indet. (157301 221030) Aristonectinae indet., Mauisaurus sp. (91416) | |
Late/Upper Maastrichtian | Argentina (Chubut) | Aristonectes parvidens (97872) | |
Late/Upper Maastrichtian | Chile (Biobio) | Aristonectes sp. (150921) | |
Late/Upper Maastrichtian | Chile (Puerto Natales) | Aristonectes sp. (208356) Aristonectinae indet. (208357 208358) | |
Late/Upper Maastrichtian | Chile (Concepción) | Aristonectes parvidens (118945) |