Species
Valid Extinct

Bicharracosaurus dionidei

Reutter et al. 2026

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
🦴
PBDB ↗
Classification
Dinosauria Unranked clade
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Saurischia Unranked clade
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Sauropodomorpha Unranked clade
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Massopoda Unranked clade
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Sauropodiformes Unranked clade
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Sauropoda Unranked clade
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Gravisauria Unranked clade
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Eusauropoda Unranked clade
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Neosauropoda Unranked clade
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Macronaria Unranked clade
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Bicharracosaurus Genus
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Bicharracosaurus dionidei Species
Fossil sites 2 geolocated sites
Distribution
Top countries
🇦🇷 Argentina
2
Geological formations
Cañadón Calcáreo
2
Temporal distribution
Kimmeridgian (154.8–149.2 Ma)
1
Oxfordian (161.5–154.8 Ma)
1
Bibliography
Original description
A. Reutter, J. L. Carballido, and G. J. Windholz, D. Pol, O. W. Rauhut. 2026. Bicharracosaurus dionidei, gen. et sp. nov., a new macronarian (Dinosauria, Sauropoda) from the Late Jurassic Cañadón Calcáreo Formation of Argentina and the problematic early evolution of macronarians. PeerJ 14(4443):e20945 DOI ↗
Bibliography (1)
A. Reutter, J. L. Carballido, and G. J. Windholz, D. Pol, O. W. Rauhut. 2026. Bicharracosaurus dionidei, gen. et sp. nov., a new macronarian (Dinosauria, Sauropoda) from the Late Jurassic Cañadón Calcáreo Formation of Argentina and the problematic early evolution of macronarians. PeerJ 14(4443):e20945 DOI ↗