Bivalvia - Trigoniida - Myophorelloidae
Alternative spelling: Hijitrigonia
Parent taxon: Vaugonia according to C. A. Fleming 1987
See also Sepkoski 2002
Sister taxa: Vaugonia (Vaugonia), Vaugonia angulata, Vaugonia clythia, Vaugonia detrita, Vaugonia doroschini, Vaugonia flecta, Vaugonia flexicostata, Vaugonia goodalli, Vaugonia gottschei, Vaugonia hauchcornei, Vaugonia hectorleanzai, Vaugonia imlayi, Vaugonia kobayashii, Vaugonia obliqua, Vaugonia oregonensis, Vaugonia substriata, Vaugonia tripartita, Vaugonia utahensis, Vaugonia vancouverensis, Vaugonia vcostata, Vaugonia veronica, Vaugonia yukonensis
Subtaxa: Vaugonia (Hijitrigonia) kahuika
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Jurassic of Japan (3 collections), New Zealand (2)
Total: 5 collections each including a single occurrence