PLACERIAS HESTERNUS - INFO
TIME
Late Triassic, Carnian - Norian
LOCATION
St. John’s, Arizona, USA
Chinle formation
Measurements for this taxa (cm)
Skull
Maximum skull length: ~198 cm
Maximum skull height (JUG -> LAC): 80 cm
Body
Maximum length (along centra): 302 cm (3.02 m)
Maximum length (along the curves of silhouette) 345 cm (3.45 m)
Shoulder height: 127 cm (1.27 m)
ABOUT PLACERIAS:
Placerias represents one of the last of its lineage, the dicynodonts, which were some of the successful non mammal synapsids on the planet.
The groups eventual extinction in the Triassic led to the rise of the dinosaurs to true dominance.