astragalocalcaneum
English
editEtymology
editNoun
editastragalocalcaneum (plural astragalocalcaneums or astragalocalcanea)
- A fused astragalus and calcaneum
- 2016 January 21, “The Oldest Jurassic Dinosaur: A Basal Neotheropod from the Hettangian of Great Britain”, in PLOS ONE[1], :
- In Camposaurus arizonensis from the Norian of Arizona, USA, widely regarded as the oldest neotheropod[58 ,25 ], the distal fibula is fused to the distal tibia and to the fused astragalocalcaneum.