Trapezium (Neotrapezium) Habe 1951 (clam)
Bivalvia - Cardiida - Trapezidae
Alternative spelling: Neotrapezium
Parent taxon: Trapezium according to T. Matsubara et al. 2010
See also Sepkoski 2002, Squires 1999 and Vokes 1980
Sister taxa: Trapezium (Schedotrapezium), Trapezium auberti, Trapezium claibornense, Trapezium daviesi, Trapezium diversicostulatum, Trapezium insepultum, Trapezium lycetti, Trapezium oblongum, Trapezium sublaevigatum, Trapezium subtriangulum
Subtaxa: Neotrapezium californicum Trapezium (Neotrapezium) kobe
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Quaternary of Japan (2 collections)
• Miocene of Japan (6)
• Eocene of Japan (6), United States (5: California)
Total: 19 collections each including a single occurrence