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Dolerosaurus Temporal range: Late Triassic, 231–228 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Romeriida
Clade:	Diapsida
Genus:	†Dolerosaurus Butler, 2013
Type species
†Francosuchus trauthi Huene, 1939

Dolerosaurus is an extinct genus of diapsid known from the early Late Triassic (late Carnian stage) upper Lunz Formation of Austria. Dolerosaurus was first named by Richard J. Butler in 2013 and the type species is Francosuchus trauthi.

Discovery and naming

In 1939 Friedrich von Huene named a new species of the phytosaur Francosuchus, F. trauthi, based upon a small fragment of rostrum. It was at some point later referred to Paleorhinus, but in 2013, it was renamed to the new genus Dolerosaurus. Unfortunately very little can be said about Dolerosaurus given that its holotype fossil is so small (c.5 centimetres (2.0 in) long) and the known remains are so scant. Dolerosaurus was referred to Phytosauria in 1939, but after subsequent analyses in 2013, it was reclassified as a basal diapsid.

References

1. ^ Butler, R. J. (2013). "'Francosuchus trauthi is not Paleorhinus: Implications for Late Triassic vertebrate biostratigraphy". Journal of Vertebrate Paleontology. 33 (4): 858–864. doi:10.1080/02724634.2013.740542. S2CID 86386615.
2. Ein primitiver Phytosaurier in der jüngeren nordost-alpinen Trias. - Zentralblatt für Mineralogie, Geologie und Paläontologie, Abteilung B 1939:139-144. - Friedrich von Huene - 1939.

v t e Sauropsida (Reptilia sensu lato)
Kingdom: Animalia Phylum: Chordata Superclass: Tetrapoda Clade: Amniota Tetrapodomorpha see Tetrapodomorpha Reptiliomorpha see Reptiliomorpha Sauropsida see below↓
Sauropsida Sauropsida †Australothyris †Erpetonyx †Microleter †Acleistorhinidae Acleistorhinus Carbonodraco Colobomycter Delorhynchus Feeserpeton Karutia Klastomycter †Bolosauridae Belebey Bolosaurus Eudibamus †Mesosauria Brazilosaurus Mesosaurus Stereosternum †Millerettidae Broomia Heleophilus Milleretta Millerosaurus Milleropsis Nanomilleretta †Procolophonia see Procolophonia Diapsida see below↓
Diapsida Diapsida †Adelosaurus? †Claudiosaurus †Cryptovaranoides †Dolerosaurus †Elachistosuchus †Eunotosaurus? †Feralisaurus †Heleosuchus †Kenyasaurus †Kudnu †Lanthanolania †Maiothisavros †Microzemiotes †Orovenator †Palacrodon †Palaeagama †Saurosternon †Sphodrosaurus †Younginidae Galesphyrus Thadeosaurus Youngina †Tangasauridae Acerosodontosaurus? Hovasaurus Tangasaurus †Weigeltisauridae Coelurosauravus Glaurung Rautiania Weigeltisaurus †Drepanosauromorpha Ancistronychus Avicranium Dolabrosaurus Drepanosaurus Hypuronector Kyrgyzsaurus Longisquama? Megalancosaurus Protoavis? Skybalonyx Unguinychus Vallesaurus †Kuehneosauridae Icarosaurus Idiosaura? Kuehneosaurus Kuehneosuchus Pamelina Rhabdopelix? †Choristodera see Choristodera †Ichthyosauromorpha see Ichthyosauromorpha †Sauropterygia see Sauropterygia †Thalattosauria see Thalattosauria Sauria (Crown-Reptilia) Lepidosauromorpha see Lepidosauromorpha Includes Lepidosauria includes rhynchocephalians and squamates Archelosauria Archosauromorpha see Archosauromorpha Includes Archosauria includes birds and crocodilians Pantestudines see Pantestudines Includes Testudines turtles
See also Possible sauropsids Araeoscelidia Captorhinidae Protorothyrididae Recumbirostra Varanopidae Other taxa Anapsida Captorhinida Eureptilia Parareptilia Lanthanosuchoidea Millerosauria Procolophonomorpha Ankyramorpha Neodiapsida Eosuchia Younginiformes Avicephala Eolacertilia Euryapsida
Category

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• Carnian genera
• Late Triassic reptiles of Europe
• Triassic Austria
• Fossils of Austria
• Fossil taxa described in 2013
• Prehistoric reptile stubs