†B. africana Long et al., 1997
†B. alexi Young, 1988
†B. alvesiensis
†B. amankonyrica Malinovskaja, 1988
†B. antarctica Woodward, 1921
†B. asiatica Obrucheva, 1955
†B. askinae Young, 1988
†B. askini Young, 1988
†B. babichevi Malinovskaya, 1992
†B. barretti Young, 1988
†B. billilunensis Young, 1987
†B. bindareei Long, 1983
†B. canadensis (Whiteaves, 1880)
†B. cellulosa
†B. ciecere Lyarskaja, 1974
†B. coloradensis Eastman, 1904
†B. cornuta Sergienko, 1974
†B. cristata Traquair, 1896
†B. cullodenensis Long, 1983
†B. curonica
†B. darbiensis Denison, 1951
†B. dorakarasugensis Moloshnikov, 2009
†B. evaldi Lyarskaja, 1986
†B. extensa Sergienko, 1961
†B. favosa Agassiz, 1845
†B. favosa obtusus (Trautschold, 1889)
†B. fergusoni Long, 1983
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†B. gigantea
†B. gippslandiensis Hills, 1929
†B. grenfellensis Johanson, 1997
†B. groenlandica Heintz, 1930
†B. hayi Miles, 1968
†B. heckeri Luksevics, 2001
†B. hickingi Miles, 1968
†B. hydrophila
†B. jani Lukshevich, 1986
†B. jarviki
†B. jazwicensis Szrek, 2004
†B. jeremejevi Rohon, 1900
†B. jurensis Rouillier, 1847
†B. karawaka Young, 1988
†B. kassini Malinovskaja, 1988
†B. kohni Young, 1988
†B. kwangtungensis P'an
†B. lata Sergienko, 1974
†B. laverocklochensis Miles, 1968
†B. leptocheira Traquair, 1893
†B. lesleyi
†B. lochangensis P'an
†B. lohesti Leriche, 1931
†B. longi Johanson & Young, 1999
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†B. macphersoni Young, 1988
†B. macrocephala
†B. maeandrina
†B. major (Geikie, 1869)
†B. markovskii Moloshnikov, 2010
†B. mawsoni Young, 1988
†B. maxima
†B. minor Newberry, 1889
†B. nielseni
†B. nikitinae Malinovskaja, 1988
†B. nitida (Leidy, 1856)
†B. niushoushanensis Jiang et al., 1980
†B. obesa
†B. obrutschewi Gross, 1942
†B. ornata Eichwald, 1840
†B. panderi Lahusen, 1880
†B. pavariensis Lyarskaya
†B. perija Young & Moody, 2002
†B. portalensis Young, 1988
†B. prima
†B. prisca
†B. rex Downs et al., 2016
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†B. sanzarensis Moloshnikov, 2010
†B. shaokuanensis Chang, 1963
†B. sibirica Obruchev, 1941
†B. sinensis Chi, 1940
†B. sosnensis Moloshnikov, 2003
†B. spinosa
†B. stensioi Sohn, 1938
†B. stevensoni Miles, 1968
†B. tastenica Malinovskaja, 1988
†B. tatongensis Long & Werdelin, 1986
†B. taylori Miles, 1968
†B. traquairi Bryant, 1924
†B. traudscholdi Jaekel, 1927
†B. tuberculata Gross, 1941
†B. tungseni
†B. turanica Obruchev, 1939
†B. twigseni Chang & Kuo-Jui, 1965
†B. virginiensis Weems et al., 1981
†B. volongensis Lyarskaja & Luksevics, 1999
†B. vuwae Young, 1988
†B. warreni Long, 1983
†B. wilsoni Miles, 1968
†B. yeungae Johanson, 1998
†B. yunnanensis
†B. zadonica Obrucheva, 1983
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