Species | Distribution |
---|---|
B. groenlandica Stensiö, 1932 | Lower Triassic, East Greenland |
B. americana Romano et al., 2017 | Lower Triassic, Nevada |
B. nielseni Lehman, 1948 | Lower Triassic, Madagascar |
B. aldingeri Schwarz, 1970 | Lower Triassic, Spitzbergen |
B. velox (Jordan, 1907) | Middle Triassic, California |
B. mougeoti (Agassiz, 1834) | Middle Triassic, Germany |
B. stensiöi Aldinger, 1931 | Late Anisian, Middle Triassic, Switzerland |
B. liui Jin, 2001 | Late Ladinian, Middle Triassic, South China |
B. guizhouensis Liu et al. 2006 | Early Carnian, Late Triassic, South China |
B. acuminata (Agassiz, 1844) | Norian, Europe |
B. annulata (Winkler, 1880) | Triassic, Europe |