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Geosaurini
Taxonomy
Geosaurini was named by Cau and Fanti (2011). Its type is Geosaurus.
It was assigned to Metriorhynchidae by Barrientos-Lara et al. (2016); and to Geosaurinae by Cau and Fanti (2011), Young et al. (2013), Young (2013), Young et al. (2013), Young et al. (2014), Chiarenza et al. (2015), Foffa et al. (2018) and Young et al. (2024).
It was assigned to Metriorhynchidae by Barrientos-Lara et al. (2016); and to Geosaurinae by Cau and Fanti (2011), Young et al. (2013), Young (2013), Young et al. (2013), Young et al. (2014), Chiarenza et al. (2015), Foffa et al. (2018) and Young et al. (2024).
Subtaxa
Synonymy list
Year | Name and author |
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2011 | Geosaurini Cau and Fanti p. 558 fig. 6 |
2013 | Geosaurini Young fig. 6 |
2013 | Geosaurini Young et al. |
2013 | Geosaurini Young et al. |
2014 | Geosaurini Young et al. |
2015 | Geosaurini Chiarenza et al. |
2016 | Geosaurini Barrientos-Lara et al. |
2018 | Geosaurini Foffa et al. |
2024 | Geosaurini Young et al. pp. 606-607 |
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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.
Tr. †Geosaurini Cau and Fanti 2011
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Subtr. †Dakosaurina Young et al. 2024
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G. †Dakosaurus Quenstedt 1856
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†Dakosaurus andiniensis Vignaud and Gasparini 1996
†Dakosaurus maximus Plieninger 1846
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Invalid names: Dakosaurus gracilis Quenstedt 1885 [synonym], Dakosaurus lissocephalus Seeley 1869 [synonym], Megalosaurus schnaitheimii Bunzel 1871 [synonym]
Invalid names: Brachytaenius Merian 1842 [synonym], Plerodon Meyer 1839 [synonym]
Subtr. †Geosaurina Foffa et al. 2018
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G. †Geosaurus Cuvier 1824
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†Geosaurus giganteus Sömmerring 1816
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Invalid names: Brachytaenius perennis Meyer 1842 [synonym], Geosaurus sommerringi Meyer 1831 [synonym], Halilimnosaurus crocodiloides Ritgen 1826 [synonym], Mosasaurus bavaricus Holl 1829 [synonym]
†Geosaurus grandis Wagner 1858
†Geosaurus lapparenti Debelmas and Strannoloubsky 1957
†Geosaurus medius Wagner 1858
Invalid names: Halilimnosaurus Ritgen 1826 [synonym], Ltliminosaurus Romer 1966 [synonym]
Subtr. †Plesiosuchina Young et al. 2014
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subo = suborder | |||||
Reference: Kiessling 2004 |
Age range: base of the Late/Upper Callovian to the top of the Late/Upper Aptian or 164.70000 to 113.00000 Ma
Collections (58 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Callovian | United Kingdom (Wiltshire) | Ieldraan melkshamensis (190125) | |
Late/Upper Callovian | France (Basse-Normandie) | Dakosaurus maximus (52633) | |
Middle Callovian | United Kingdom (England) | Dakosaurus Mr Leeds sp., Suchodus durobrivensis (109800) | |
Oxfordian | United Kingdom (England) | Dakosaurus sp. (100669) | |
Late/Upper Jurassic | Germany (Baden-Württemberg) | Dakosaurus maximus (93216) | |
Middle Oxfordian - Late/Upper Oxfordian | Cuba (Vinales) | Geosaurus sp. (138289 138290) | |
Kimmeridgian | Spain (Asturias) | Dakosaurus sp. (154961) | |
Kimmeridgian | Germany (Bavaria) | Dakosaurus maximus (207479) | |
Kimmeridgian | United Kingdom (england) | Dakosaurus maximus (144398) | |
Kimmeridgian | Mexico (Coahuila) | Dakosaurus sp. (143339) | |
Kimmeridgian - Early/Lower Tithonian | United Kingdom (England) | Dakosaurus maximus (156363) | |
Early/Lower Kimmeridgian | Germany (Bavaria) | Geosaurini indet. (224078) | |
Early/Lower Kimmeridgian | United Kingdom (England) | Dakosaurus maximus, Dakosaurus lissocephalus (119508) | |
Early/Lower Kimmeridgian | Germany (Aalen) | Geosaurini indet. (224077) | |
Early/Lower Kimmeridgian - Late/Upper Kimmeridgian | Mexico (Nuevo Leon) | Dakosaurus sp. (136131) | |
Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | Dakosaurus maximus (154138) Dakosaurus sp., Geosaurus sp., Dakosaurus maximus (41817) Geosaurus sp., Dakosaurus maximus, Megalosaurus sp. (89120) | |
Late/Upper Kimmeridgian | France (Nord-Pas-de-Calais) | Dakosaurus maximus (94534) | |
Late/Upper Kimmeridgian | Germany | Dakosaurus maximus (74069) | |
Late/Upper Kimmeridgian | Germany (Bayern) | Dakosaurus maximus (59175 130048) | |
Late/Upper Kimmeridgian | United Kingdom (England) | Dakosaurus sp. (70996) Geosaurus sp. (26795) Plesiosuchus manselii (119504) | |
Late/Upper Kimmeridgian | Switzerland (Solothurn) | Dakosaurus maximus (133662) | |
Late/Upper Kimmeridgian - Early/Lower Tithonian | United Kingdom (England) | Dakosaurus sp. (138974) | |
Tithonian | Germany (Franconia) | Dakosaurus maximus (24523) Geosaurus giganteus (24521) | |
Tithonian | Argentina (Mendoza) | Dakosaurus andiniensis (72049 72050) | |
Tithonian - Early/Lower Berriasian | Slovakia (Prešov) | Plesiosuchus sp. (224074) | |
Early/Lower Tithonian | Germany | Geosaurus giganteus (121197) | |
Early/Lower Tithonian | Germany (Bayern) | Cricosaurus medius, Geosaurus grandis (132062) Dakosaurus maximus (53039 105541 152901) Lacerta gigantea (212951) | |
Early/Lower Tithonian | United Kingdom (England) | Plesiosuchus manselii (133663) | |
Early/Lower Tithonian | Argentina (Neuquén) | Geosaurus araucaniensis (79651) | |
Early/Lower Tithonian | United Kingdom (Oxfordshire) | G. Mr Passmores specimen (217278) | |
Early/Lower Tithonian - Late/Upper Tithonian | Argentina (Neuquén) | Geosaurus sp. (79652) | |
Late/Upper Tithonian | Argentina (Mendoza) | Dakosaurus sp. (143305) | |
Late/Upper Tithonian | Argentina (Neuquén) | Geosaurus sp. (140285) | |
Late/Upper Tithonian - Early/Lower Berriasian | Argentina (Mendoza) | Purranisaurus potens (153673) | |
Late/Upper Tithonian - Early/Lower Berriasian | Argentina (Neuquén) | Dakosaurus andiniensis (154296) | |
Berriasian | Argentina (Mendoza) | Dakosaurus andiniensis (72051 190078) | |
Berriasian | Argentina (Neuquén) | Geosaurus araucaniensis, Dakosaurus sp. (122662) | |
Early/Lower Valanginian | France | Geosaurus lapparenti (155313) | |
Late/Upper Valanginian | France (Bouches-du-Rhone) | Plesiosuchina indet. (155317) | |
Late/Upper Valanginian | France | Dacosaurus lapparenti (123368) | |
Late/Upper Valanginian | Czech Republic (Novy Jičin District) | Plesiosuchina indet. (64722) | |
Early/Lower Hauterivian | France | Geosaurus lapparenti (155311) | |
Aptian | Italy (Trapani) | Plesiosuchina indet. (172392) | |
Late/Upper Aptian | United Kingdom (England) | Dakosaurus sp. (58095) | |
Early/Lower Aptian | United Kingdom (England) | Dakosaurus sp. (36581) |