This species is regarded as a "bizarre" basal member of the Family Sebecidae, a clade of diverse, abundant and broadly distributed South American Crocodyliformes during the Tertiary epoch.
| Name | Lorosuschus nodosus
| | Authority | Pol and Powell, 2011
| | Etymology | Loro, based on the type locality, suchus from the Greek souchos referring to the Egyptian crocodile God; nodusus referring to the dorsal cranial ornamentation
| Size
| Skull ~20cm in length
| | Remains | Holotype PVL 6219, near-complete skull, lower jaws and fragmentary postrcranial remains
| Age and Distribution
| Río Loro Formation, Middle or Late Palaeocene (Thanetian or Selandian)
Medina Range, 3 km east of El Cadillal Lake, 22 km north of the city of San Miguel de Tucumán, Tucumán Province, Argentina.
| | Classification | Crocodylomorpha Crocodyliformes Mesoeucrocodylia Sebecosuchia Sebecidae
| | Reference | Pol, D. and Powell, J. E. (2011). A new sebecid mesoeucrocodylian from the Rio Loro Formation (Palaeocene) of north-western Argentina". Zoological Journal of the Linnean Society 163: S7–S36.
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| Skull of Lorosuchus nodosus in dorsal view. Scale bar = 1 cm. Pol and Powell, 2011. |
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