TABLE 1. Summary of the results obtained on the different performed analyses for the tooth morphotypes from Andrés and the taxonomic interpretation proposed in this work. (Scroll bar at bottom of table for extra width.)
| Specimen | Morphotype | Results of the LDA | Results of RF (highest probability) | Results of cladistic |
Taxonomic identification |
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| Genus-level dataset | Clade-level dataset | Genus-level dataset | Clade-level dataset | ||||||||||||||||
| PAST | Pyton | PAST | Pyton | ||||||||||||||||
| .AND.30 | M1 | Allosaurus | Allosauridae | Allosaurus lateral |
Tyrannosauridae mesial |
Metriacanthosauridae | Allosaurus (mesial teeth) |
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| .AND.27 | Australovenator | / | Neovenatoridae | / | / | / | |||||||||||||
| .AND.31 | Allosaurus | Allosauridae | Allosaurus lateral |
Tyrannosauridae mesial |
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| .AND.45 | Gorgosaurus | / | / | / | / | ||||||||||||||
| .AND.23 | Allosaurus | Allosauridae | Allosaurus mesial |
Allosauridae mesial |
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| .AND.29 | M2 | Alioramus | Neovenatoridae | Abelisauridae | Alioramus lateral |
Tyrannosauridae lateral |
Allosauridae | Allosaurus (lateral teeth) |
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| .AND.33 | Fukuiraptor | Metriacanthosauridae | Fukuiraptor lateral |
Neovenatoridae lateral |
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| .AND.25 | Majungasaurus | Abelisauridae | Majungasaurus lateral |
Abelisauridae lateral |
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| .AND.24 | Alioramus | Non-abelisaurid Ceratosauria | Abelisauridae | Alioramus lateral |
Tyrannosauridae lateral |
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| .AND.32a | Fukuiraptor | / | Neovenatoridae | / | / | / | |||||||||||||
| .AND.32b | Australovenator | / | / | / | / | ||||||||||||||
| .AND.28 | Alioramus | / | / | / | / | ||||||||||||||
| .AND.206 | M3 | Deinonychus | / | Abelisauridae | / | / | / | Tyrannosauroidea | Allosaurus (juvenile) |
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| .AND.213 | M4 | Dromaeosaurus | Zanabazar | Therizinosauria | Troodontidae | Dilong lateral |
Therizinosauria | Coelurosauria indet. |
Coelurosauria indet. |
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| .AND.105 | M6 | Raptorex | Saurornitholestes | Dromeaosauridae | Saurornitholestes lateral |
Dromaeosauridae lateral | Tyrannosauroidea | early-branching Tyrannosauroidea |
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| .AND.209 | M5 | Masiakasaurus | Falcarius | Noasauridae | Early branching Coelurosauria | Coelophysis lateral |
Therizinosauria | Theropoda indet. | Neocoelurosauria indet. |
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| .AND.26 | M7 | Deinonychus | Noasauridae | Dromaeosauridae | Atrociraptor lateral |
Dromaeosauridae lateral |
Noasauridae | Dromaeosauridae (cf. Dromaeosaurinae) |
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| .AND.107 | M8 | Australovenator | / | Neovenatoridae | / | / | / | Eudromaeosauria | Dromaeosauridae (cf. Dromaeosaurinae) |
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| .AND.104 | M9 | Masiakasaurus | Saurornitholestes | Therizinosauria | Dromaeosauridae | Richardoestesia lateral |
Dromaeosauridae lateral |
Coelurosauria indet. |
Dromaeosauridae (cf. Velociraptorinae) |
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| .AND.208 | Eoraptor | Dromaeosauridae mesial |
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| .AND.212 | M10 | Masiakasaurus | Falcarius | Therizinosauria | Dromaeosauridae | Richardoestesia lateral |
Non-averostran Neotheropoda lateral |
Coelurosauria indet. |
Dromaeosauridae (cf. Velociraptorinae) |
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TABLE 2. Results of the Random Forest analyses based on the genus and clade-level datasets, showing the two most probable classification found for the studied tooth morphotypes from Andrés.
| Specimen | Morphotype | Clade-level dataset | Genus-level dataset | ||||||
| Top1_ Classification |
Top1_ Probability |
Top2_ Classification |
Top2_ Probability |
Top1_ Classification |
Top1_ Probability |
Top2_ Classification |
Top2_ Probability |
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| MNHN/UL.AND.30 | 1 | Tyrannosauridae mesial | 0.4 | Allosauridae mesial | 0.3 | Allosaurus lateral |
0.51 | Allosaurus mesial |
0.21 |
| MNHN/UL.AND.31 | 1 | Tyrannosauridae mesial | 0.44 | Allosauridae mesial | 0.16 | Allosaurus lateral |
0.23 | Raptorex lateral |
0.18 |
| MNHN/UL.AND.23 | 1 | Allosauridae mesial | 0.38 | Allosauridae lateral | 0.25 | Allosaurus mesial |
0.38 | Majungasaurus mesial | 0.32 |
| MNHN/UL.AND.29 | 2 | Tyrannosauridae lateral | 0.44 | Neovenatoridae lateral | 0.18 | Alioramus lateral |
0.64 | Fukuiraptor lateral |
0.1 |
| MNHN/UL.AND.33 | 2 | Neovenatoridae lateral | 0.69 | Dromaeosauridae lateral | 0.12 | Fukuiraptor lateral |
0.45 | Monolophosaurus | 0.31 |
| MNHN/UL.AND.25 | 2 | Abelisauridae lateral | 0.41 | Abelisauridae mesial | 0.3 | Majungasaurus lateral | 0.63 | Majungasaurus mesial | 0.12 |
| MNHN/UL.AND.24 | 2 | Tyrannosauridae lateral | 0.65 | Dromaeosauridae lateral | 0.16 | Alioramus lateral |
0.58 | Monolophosaurus | 0.34 |
| MNHN/UL.AND.213 | 4 | Non-tyrannosaurid Tyrannosauroidea | 0.41 | Early branching Coelurosauria | 0.4 | Dilong lateral |
0.21 | Eoraptor | 0.19 |
| MNHN/UL.AND.209 | 5 | Therizinosauria | 0.49 | Dromaeosauridae lateral | 0.39 | Coelophysis lateral |
0.42 | Richardoestesia lateral | 0.38 |
| MNHN/UL.AND.105 | 6 | Dromaeosauridae lateral | 0.68 | Non-tyrannosaurid Tyrannosauroidea lateral | 0.22 | Saurornitholestes lateral | 0.36 | Suchomimus lateral |
0.24 |
| MNHN/UL.AND.26 | 7 | Dromaeosauridae lateral | 0.81 | Dromaeosauridae mesial | 0.12 | Atrociraptor lateral |
0.43 | Masiakasaurus lateral | 0.18 |
| MNHN/UL.AND.104 | 9 | Dromaeosauridae lateral | 0.72 | Early-branching Theropoda | 0.1 | Richardoestesia lateral | 0.69 | Eoraptor | 0.12 |
| MNHN/UL.AND.208 | 9 | Dromaeosauridae mesial | 0.61 | Dromaeosauridae lateral | 0.27 | Eoraptor | 0.33 | Richardoestesia lateral | 0.28 |
| MNHN/UL.AND.212 | 10 | Non-averostran Neotheropoda lateral | 0.35 | Noasauridae lateral | 0.3 | Richardoestesia lateral | 0.38 | Coelophysis lateral |
0.23 |
