Piranhamesodon

Piranhamesodon Temporal range: Late Jurassic, 152 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
artist's restoration
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	†Pycnodontiformes
Genus:	†Piranhamesodon
Species:	†P. pinnamotus
Binomial name
†Piranhamesodon pinnamotus Kölbl-Ebert et al., 2018

Piranhamesodon pinnatomus is a pycnodontiform fish from the Late Jurassic (ca. 152 million years old). It was described from the Plattenkalk deposits of the Solnhofen Formation, in Bavaria, Germany. It is notable for having sharp, serrated teeth highly reminiscent of a piranha, a highly unusual trait as most other species in the order Pycnodontiformes were shellfish eaters with flat, crushing teeth. It is also the oldest known bony fish with this trait. This unusual combination is reflected in its genus name, which is a combination of piranha and the frequent pycnodontiform genus suffix Mesodon. Fossils of other fish found in the same area have torn fins possibly attributable to this species.^[1][2][3][4]

See also

• Prehistoric fish
• List of prehistoric bony fish

References

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Pycnodontiformes

Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Subclass: Neopterygii
Actinopterygii see Actinopterygii Neopterygii see Neopterygii Pycnodontiformes see below↓ Pycnodontiformes

Pycnodontiformes	Acrorhinichthys Apomesodon Arduafrons Athrodon Grimmenodon Gyrodus Macromesodon Paramesturus Piranhamesodon Thurmondella Mesturidae Mesturus Micropycnodon? Brembodontidae Brembodus Eomesodon? Gibbodon? Serrasalmimidae Damergouia Diastemapycnodus Eoserrasalmimus Polygyrodus Serrasalmimus Coccodontoidea Congopycnodus Gebrayelichthyidae Gebrayelichthys Maraldichthys Coccodontidae Coccodus Corusichthys Cosmodus? Hensodon Ichthyoceros? Paracoccodus Trewavasia Gladiopycnodontidae Ducrotayichthys Gladiopycnodus Hayolperichthys Ichthyoceros? Joinvillichthys Monocerichthys Pankowskichthys Rostropycnodus Stenoprotome Tricherichthys Pycnodontidae Acrotemnus Agassizilia? Akromystax Anomoeodus Brauccipycnodus Coelodus Costapycnodus Gregoriopycnodus Haqelpycnodus Iemanja Libanopycnodus Macropycnodon? Neoproscinetes Njoerdichthys Ocloedus Potiguara Rhinopycnodus Sigmapycnodus Stemmatodus Stenamara Tepexichthys Texasensis Thiollierepycnodus Turbomesodon Proscinetinae Neoproscinetes Proscinetes Thiollierepycnodus? Turbomesodon? Turboscinetes Nursalliinae Abdobalistum Flagellipinna Neomesturus? Nursallia Palaeobalistum? Paranursallia Pycnodontinae Agoultpycnodus Oropycnodus Polazzodus Pycnodus Scalacurvichthys Sylvienodus Tergestinia

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