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Necrosauridae
Taxonomy
Necrosauridae was named by Hoffstetter (1943). It is not extant. Its type is Necrosaurus.
It was assigned to Platynota by Borsuk-Bialynicka (1984); to Varanoidea by Kuhn (1966), Seiffert (1975), Estes (1983) and Carroll (1988); to Squamata by Nessov (1988); to Anguimorpha by Alifanov (1993), Gao and Hou (1996) and Gao and Fox (1996); to Anguimorpha by Alifanov (2000); and to Anguimorpha by Peng et al. (2001).
It was assigned to Platynota by Borsuk-Bialynicka (1984); to Varanoidea by Kuhn (1966), Seiffert (1975), Estes (1983) and Carroll (1988); to Squamata by Nessov (1988); to Anguimorpha by Alifanov (1993), Gao and Hou (1996) and Gao and Fox (1996); to Anguimorpha by Alifanov (2000); and to Anguimorpha by Peng et al. (2001).
Subtaxa
Ekshmer, Labrodioctes, Melanosaurinae, Necrosaurinae, Necrosaurus (type genus), Proplatynotia, Provaranosaurus, Tsagansaurus
Synonyms
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Synonymy list
Year | Name and author |
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1943 | Necrosauridae Hoffstetter |
1964 | Parasaniwidae Estes p. 128 |
1966 | Parasaniwidae Kuhn p. 57 |
1966 | Necrosauridae Kuhn p. 58 |
1970 | Parasaniwidae Estes and Berberian p. 5 |
1975 | Necrosauridae Seiffert p. 10 |
1975 | Parasaniwidae Seiffert p. 10 |
1983 | Necrosauridae Estes |
1984 | Necrosauridae Borsuk-Bialynicka p. 35 |
1986 | Parasaniwidae Yadagiri p. 92 |
1988 | Necrosauridae Carroll |
1988 | Necrosauridae Nessov p. 478 |
1993 | Necrosauridae Alifanov p. 9 |
1996 | Necrosauridae Gao and Fox p. 74 |
1996 | Necrosauridae Gao and Hou p. 590 |
2000 | Necrosauridae Alifanov p. 381 |
2001 | Necrosauridae Peng et al. p. 29 |
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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.
Fm. †Necrosauridae Hoffstetter 1943
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G. †Necrosaurus Filhol 1876
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†Necrosaurus cayluxi Filhol 1873
†Necrosaurus eucarinatus Kuhn 1940
Invalid names: Necrosaurus filholi De Stefano 1903 [nomen dubium]
G. †Provaranosaurus Gilmore 1942
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†Provaranosaurus acutus Gilmore 1942
†Provaranosaurus fatuus Smith and Gauthier 2013
Invalid names: Melanosaurinae Gilmore 1928 [empty], Parasaniwidae Estes 1964 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class, subp = subphylum | |||||
References: Carroll 1988, Hendy et al. 2009, Augé 2003 |
Age range
Maximum range based only on fossils: base of the Middle Turonian to the top of the MP 21 or 93.50000 to 28.40000 Ma
Minimum age of oldest fossil (stem group age): 89.3 Ma
Minimum age of oldest fossil (stem group age): 89.3 Ma
Collections (70 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Middle Turonian - Late/Upper Turonian | Uzbekistan (Navoi) | Ekshmer bissektensis (58179) | |
Late/Upper Santonian | Canada (Alberta) | Necrosauridae indet. (14425) | |
Judithian | USA (Texas) | Necrosauridae indet. (14489) | |
Middle Campanian | China (Nei Mongol) | Necrosauridae indet. (116292) | |
Middle Campanian - Late/Upper Campanian | Mongolia (Omnogov) | Proplatynotia longirostrata (13776) | |
Middle Campanian - Late/Upper Campanian | USA (Montana) | Labrodioctes montanensis (14434) | |
Torrejonian | USA (Montana) | Provaranosaurus sp. (14874) | |
Torrejonian | USA (Wyoming) | Provaranosaurus sp. (14886) | |
Tiffanian | USA (North Dakota) | Provaranosaurus sp. (15000) | |
Tiffanian | USA (Wyoming) | Provaranosaurus acutus (15049) | |
Thanetian | France (Champagne-Ardenne) | Necrosaurus sp. (87925) | |
Late/Upper Paleocene | Mongolia (Omnogov) | Tsagansaurus nemegetensis (199607) | |
Ypresian | Spain (Lleida) | Necrosauridae indet. (142031) | |
Ypresian | France | Necrosauridae indet. (182667) | |
Ypresian | France (Aude) | Necrosauridae indet. (182641) | |
Ypresian | France (Marne) | Necrosaurus sp. (35535 35540) | |
Ypresian | Belgium (Brabant) | Necrosaurus sp. (35531) | |
Ypresian | France (Oise) | Necrosaurus indet. (68174) | |
Lostcabinian | USA (Wyoming) | Necrosaurus sp. (15917) | |
Lysitean - Lostcabinian | USA (Wyoming) | Provaranosaurus fatuus (15451) | |
Wasatchian | USA (New Mexico) | Provaranosaurus sp. (15453) | |
Wasatchian | USA (Wyoming) | Provaranosaurus fatuus (181313) Provaranosaurus sp. (15534) Provaranosaurus sp. CG (15458) | |
MP 8 + 9 | France (Bourgogne-Franche-Comté) | Necrosaurus sp. (179145) | |
MP 8 + 9 | France (Picardie) | Necrosaurus sp. (84997) | |
Lutetian | France (Rhone) | Necrosaurus sp. (151252) | |
Lutetian | France (Gard) | Necrosauridae indet., Necrosaurus sp. (59129) | |
Lutetian | Germany (Sachsen-Anhalt) | Necrosaurus eucarinatus (45801) Necrosaurus giganteus (13322 45002 45735) | |
Late/Upper Uintan | USA (California) | Melanosaurinae indet. (167831) | |
Bartonian | France (Picardie Region) | Necrosaurus sp. (12847) | |
Bartonian | France (Languedoc-Roussillon Region) | Necrosaurus sp. (31736) | |
Bartonian | France (Nord-Pas-de-Calais-Picardie) | Necrosaurus sp. (177581) | |
Bartonian | France (Quercy, Midi-Pyrenees Region) | Necrosaurus cayluxi (12840) | |
Priabonian | Switzerland | Necrosaurus sp. (31743) | |
Priabonian | France (Quercy, Midi-Pyrenees Region) | Necrosaurus cayluxi (12843 12852 31740 31745 31766) Necrosaurus cayluxi, Necrosaurus eucarinatus (12841 12842) Necrosaurus sp., Necrosaurus cayluxi (12849 31764 31765) Necrosaurus sp., Necrosaurus cayluxi, Necrosaurus eucarinatus (12854) | |
Priabonian | France (Quercy, Midi-Pyrenees region) | Necrosaurus cayluxi (12848) Necrosaurus cayluxi, Necrosaurus eucarinatus (12853) | |
Late/Upper Eocene | France (Occitanie) | Necrosaurus sp. (183976) | |
Late/Upper Eocene | France (Quercy) | Necrosaurus cayluxi (12850) | |
Late/Upper Eocene | United Kingdom (England) | Necrosaurus sp. (39236) | |
MP 18 | France (Quercy, Midi-Pyrenees Region) | Necrosaurus cayluxi (12851) | |
MP 18 | France | Necrosaurus cayluxi (179268) | |
MP 19 | France (Quercy, Midi-Pyrenees Region) | Necrosaurus cayluxi, Necrosaurus eucarinatus (12846) | |
Late/Upper Eocene - Early/Lower Miocene | France (Languedoc-Roussillon-Midi-Pyrénées) | Necrosaurus cayluxi, Necrosaurus eucarinatus (179194) | |
Early/Lower Oligocene | Belgium | Necrosaurus sp. (31748) | |
Early/Lower Oligocene | France (Quercy, Midi-Pyrenees Region) | Necrosaurus sp. (31583) | |
MP 21 | France (Quercy) | Necrosaurus sp. (36708) | |
MP 22 | France (Quercy) | Necrosaurus sp. (179140 179141 179142) | |
MP 22 | France (Midi-Pyrenées) | Necrosaurus sp. (167537) | |
MP 23 | France (Quercy) | Necrosaurus sp. (36711 179147) | |
Rupelian | France | Necrosaurus sp. (183381) | |
Rupelian | Belgium (Brabant) | Necrosaurus sp. (75867) |