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Shartegosuchidae
Taxonomy
Shartegosuchidae was named by Efimov (1988). It is not extant. Its type is Shartegosuchus. It was considered monophyletic by Wings et al. (2010), Clark (2011).
It was assigned to Notosuchia by Efimov and Leschinskii (1998); to Protosuchia by Storrs and Efimov (2000); to Crocodyliformes by Wings et al. (2010); to Crocodyliformes by Pol and Norell (2004), Clark (2011), Buscalioni (2017); and to Shartegosuchoidea by Dollman et al. (2018).
It was assigned to Notosuchia by Efimov and Leschinskii (1998); to Protosuchia by Storrs and Efimov (2000); to Crocodyliformes by Wings et al. (2010); to Crocodyliformes by Pol and Norell (2004), Clark (2011), Buscalioni (2017); and to Shartegosuchoidea by Dollman et al. (2018).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Shartegosuchidae Efimov |
| 1998 | Shartegosuchidae Efimov and Leschinskii |
| 2000 | Shartegosuchidae Storrs and Efimov |
| 2004 | Shartegosuchidae Pol and Norell |
| 2010 | Shartegosuchidae Wings et al. |
| 2011 | Shartegosuchidae Clark |
| 2017 | Shartegosuchidae Buscalioni |
| 2018 | Shartegosuchidae Dollman 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.
Fm. †Shartegosuchidae Efimov 1988
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G. †Hsisosuchus Young and Chow 1953
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†Hsisosuchus chowi Peng and Shu 2005
†Hsisosuchus chungkingensis Young and Chow 1953
†Hsisosuchus dashanpuensis Gao 2001
G. †Nominosuchus Efimov 1996
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†Nominosuchus arcanus Efimov and Abramov 2003
†Nominosuchus matutinus Efimov 1996
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. M. Clark 2011 | Very small crocodyliforms with palatal surface of the pterygoids sculpted, mandibular fenestra absent, posterior maxillary teeth and postcaniniform dentary teeth with flat, horizontal cusp and vertical crenulations extending proximally. |
Measurements
No measurements are available
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| Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Kiessling 2004, Benton 1983 | |||||
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bajocian - Oxfordian | China (Sichuan) | Hsisosuchus dashanpuensis (24883) | |
| Bathonian - Callovian | China (Sichuan) | Hsisosuchus chowi (131874) | |
| Oxfordian | China (Yunnan) | Hsisosuchus sp. (230104) | |
| Oxfordian | China (Xinjiang) | Shartegosuchidae indet. (182495) | |
| Late/Upper Jurassic | China (Sichuan) | Hsisosuchus chungkingensis (131872 140274) | |
| Late/Upper Oxfordian - Kimmeridgian | China (Xinjiang) | Nominosuchus sp. (47056) | |
| Late/Upper Kimmeridgian - Early/Lower Tithonian | USA (Colorado) | Mesosuchia indet. (53022) | |
| Early/Lower Tithonian | USA (Colorado) | Hallopus sp. (71476) | |
| Tithonian | Mongolia (Govi-Altay) | Adzhosuchus fuscus, Nominosuchus arcanus (179180) Nominosuchus matutinus, Shartegosuchus asperopalatum (179184) Shartegosuchus asperopalatum (69913) | |
| Tithonian | USA (Colorado) | Fruitachampsa sp. (22708) | |
| Barremian - Aptian | Russian Federation (Kemerovo) | Kyasuchus saevi (52808) Shartegosuchidae indet. (167303 167304) | |
| Barremian - Aptian | Russian Federation (Krasnoyarsk) | Kyasuchus sp. (53148) Shartegosuchidae indet. (206592 206601 206603) |