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Pachypleurosauridae
Taxonomy
Pachypleuridae was named by Nopcsa (1928).
It was corrected as Pachypleurosauridae by Nopcsa (1928), Kuhn (1946), Young (1965), Kuhn (1966), Kuhn (1971), Carroll (1988), Sander (1989), Rieppel (1989), Rieppel (1993), Rieppel (1995), Rieppel and Lin (1995), Rieppel (2000), Lin et al. (2019), Xu et al. (2022), Xu et al. (2023).
It was assigned to Nothosauroidea by Nopcsa (1928); to Nothosaurida by Kuhn (1971); to Nothosauria by Carroll (1988); to Nothosauria by Kuhn (1946), Kuhn (1966), Sander (1989); to Pachypleurosauria by Rieppel (2000), Lin et al. (2019); and to Pachypleurosauroidea by Young (1965), Rieppel (1989), Rieppel (1993), Rieppel (1995), Rieppel and Lin (1995), Xu et al. (2022), Xu et al. (2023).
It was corrected as Pachypleurosauridae by Nopcsa (1928), Kuhn (1946), Young (1965), Kuhn (1966), Kuhn (1971), Carroll (1988), Sander (1989), Rieppel (1989), Rieppel (1993), Rieppel (1995), Rieppel and Lin (1995), Rieppel (2000), Lin et al. (2019), Xu et al. (2022), Xu et al. (2023).
It was assigned to Nothosauroidea by Nopcsa (1928); to Nothosaurida by Kuhn (1971); to Nothosauria by Carroll (1988); to Nothosauria by Kuhn (1946), Kuhn (1966), Sander (1989); to Pachypleurosauria by Rieppel (2000), Lin et al. (2019); and to Pachypleurosauroidea by Young (1965), Rieppel (1989), Rieppel (1993), Rieppel (1995), Rieppel and Lin (1995), Xu et al. (2022), Xu et al. (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Pachypleurosauridae Nopcsa p. 173 |
| 1946 | Pachypleurosauridae Kuhn p. 59 |
| 1965 | Pachypleurosauridae Young p. 354 |
| 1966 | Pachypleurosauridae Kuhn p. 112 |
| 1971 | Pachypleurosauridae Kuhn p. 17 |
| 1988 | Pachypleurosauridae Carroll |
| 1989 | Pachypleurosauridae Rieppel p. 3 |
| 1989 | Pachypleurosauridae Sander |
| 1993 | Pachypleurosauridae Rieppel p. 4 |
| 1995 | Pachypleurosauridae Rieppel p. 206 |
| 1995 | Pachypleurosauridae Rieppel and Lin p. 2 |
| 2000 | Pachypleurosauridae Rieppel |
| 2019 | Pachypleurosauridae Lin et al. p. 3 |
| 2022 | Pachypleurosauridae Xu et al. p. 3 |
| 2023 | Pachypleurosauridae Xu et al. p. 3 |
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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. †Pachypleurosauridae Nopcsa 1928
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G. †Anarosaurus Dames 1890
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†Anarosaurus heterodontus Rieppel and Lin 1995
†Anarosaurus pumilio Dames 1890
G. †Dactylosaurus Gürich 1884
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†Dactylosaurus gracilis Gürich 1884
†Dactylosaurus schroederi Nopsca 1928
G. †Neusticosaurus Seeley 1882
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†Neusticosaurus edwardsi Sander 1989
†Neusticosaurus edwardsii Sander 1989
†Neusticosaurus peyeri Sander 1989
†Neusticosaurus pusillus Fraas 1881
†Neusticosaurus pygmaeus Fraas 1896
†Neusticosaurus toeplitschi Nopsca 1928
G. †Pachypleurosaurus Broili 1927
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†Pachypleurosaurus edwardsi Sander 1989
†Pachypleurosaurus staubi Kuhn-Schnyder 1959
G. †Psilotrachelosaurus Nopsca 1928
G. †Serpianosaurus Rieppel 1989
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†Serpianosaurus germanicus Diedrich 2013
†Serpianosaurus mirigiolensis Rieppel 1989
Invalid names: Neusticosaurinae Seeley [empty], Pachypleurosaurinae Nopsca 1928 [empty]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W.-B. Lin et al. 2019 | Small- to medium-sized eosauropterygian with relatively short snout; preorbital region of skull distinctly longer than postorbital region; lateral edge of frontal concave; upper temporal fossa smaller than orbit; trough on dorsal surface of retroarticular process present; vertebral centrum with parallel lateral edges; pachyostosis of dorsal ribs present (convergent in Lariosaurus); last dorsal rib longer than first sacral rib; posterior process on (T-shaped) interclavicles rudi- mentary or absent; dorsal iliac blade reduced to simple dorsal process; radius longer than ulna. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Bush and Bambach 2015, Hendy et al. 2009, Carroll 1988 | |||||
Collections (45 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Smithian - Spathian | China (Jiangxi) | Hanosaurus hupehensis (98007) | |
| Anisian | Slovakia (Banská Bystrica) | Neusticosaurus sp. (196589) | |
| Anisian | Germany (Sachsen-Anhalt) | Anarosaurus pumilio (195570) Doliovertebra fritschi, Anarosaurus heterodontus (138123) | |
| Anisian | Netherlands (Gelderland) | Anarosaurus heterodontus, Dactylosaurus gracilis (96875) | |
| Anisian | Poland (Opolskie) | Dactylosaurus gracilis (96435) | |
| Anisian | Poland (Silesia) | Dactylosaurus gracilis (195571) | |
| Anisian | Switzerland (Ticino) | Serpianosaurus mirigiolensis (86828) | |
| Bithynian | Netherlands | Anarosaurus heterodontus (106538) | |
| Illyrian | Switzerland (Ticino) | Serpianosaurus mirigiolensis (86830 86831 86832 86833) | |
| Illyrian | Italy | Pachypleura edwardsii (149323) | |
| Pelsonian | China (Yunnan) | Honghesaurus longicaudalis (233825) Luopingosaurus imparilis (123839) | |
| Pelsonian | China (Guizhou) | Panzhousaurus rotundirostris (103539) | |
| Pelsonian | Germany (Sachsen-Anhalt) | Serpianosaurus germanicus (196743) | |
| Pelsonian - Illyrian | Poland | Dactylosaurus schroederi (34729) | |
| Anisian - Ladinian | Switzerland (Kanton Tessin) | Serpianosaurus mirigiolensis (86837) | |
| Anisian - Ladinian | Switzerland | Neusticosaurus sp. (13344) | |
| Anisian - Ladinian | Italy (Piedmont) | Pachypleurosaurus edwardsi (86708) | |
| Anisian - Ladinian | France (Provence-Alpes-Cote d'Azur Region) | Neusticosaurus pygmaeus (31768) | |
| Anisian - Ladinian | Switzerland (Ticino) | Serpianosaurus mirigiolensis (86838 86839 86840) | |
| Middle Triassic | China (Sichuan) | Pachypleurosauridae indet. (37605) | |
| Illyrian - Fassanian | Switzerland | Serpianosaurus mirigiolensis (122057) | |
| Ladinian | Switzerland (Ticino) | Pachypleurosaurus edwardsi (86841) Pachypleurosaurus sp. (110929) | |
| Ladinian | Switzerland (onte San Giorgio) | Neusticosaurus peyeri (194785) | |
| Ladinian | Saudi Arabia | Pachypleurosauridae indet. (149547) | |
| Ladinian | Italy (Lombardia) | Pachypleurosaurus staubi (106316) | |
| Fassanian | Italy | Neusticosaurus pusilis (201785) | |
| Fassanian | Switzerland | Neusticosaurus sp. (180497 180508) Neusticosaurus sp., Neusticosaurus peyeri (180493) | |
| Fassanian | Switzerland (Ticino) | Serpianosaurus mirigiolensis (86834 86835 86836) | |
| Fassanian | Switzerland (Graubünden) | Pachypleurosaurus staubi (196661) | |
| Longobardian | Austria (Karnten) | Psilotrachelosaurus toeplitschi (195572) | |
| Longobardian | Italy | Neusticosaurus edwardsii (116568) | |
| Longobardian | Italy (Lecco) | Neusticosaurus pusillus (120901) | |
| Longobardian | Germany (Baden-Württemberg) | Neusticosaurus pusillus (101873) |