B

Bactrosaurus Gilmore, 1933
    type species: B. johnsoni Gilmore, 1933
    other species: B. prynadai (N.D.) Riabinin, 1939=?B. johnsoni
                          B. kyzylkumensis (N.D.) (Riabinin, 1931 (originally Cionodon))="Cionodon" kysylkumensis
Bagaceratops Osmólska and Maryanska, 1975
    type species: B. rozhdestvenskyi Osmólska and Maryanska, 1975
Bagaraatan Osmólska, 1996
    type species: B. ostromi Osmólska, 1996
Bahariasaurus (?N.D.) Stromer, 1934
    type species: B. ingens (?N.D.) Stromer, 1934
Bainoceratops Tereschenko and Alifanov, 2003
    type species: B. efremovi Tereschenko and Alifanov, 2003
"Bakesaurus" (N.N.) Zhou S., 2005=museum name for Chinese ?LK ?hadrosaurian iguanodontian
Balaur Csiki, Brusatte, and Norell, 2010
    type species: B. bondoc Csiki et al., 2010
Balochisaurus Malkani, 2006
    type species: B. malkani Malkani, 2006 
Bambiraptor Burnham, Derstler, Currie, Bakker, Zhou, and Ostrom, 2000
    type species: B. feinbergorum Burnham et al., 2000
Banji Xu X. and Han F.-L., 2010
    type species: B. long Xu X. and Han F.-L., 2010
Baotianmansaurus Zhang X., Lü J., Xu L., Li J., Yang L.-K., Hu W., Jia S., Ji Q., and Zhang C., 2009
    type species: B. henanensis Zhang X. et al., 2009
Barapasaurus Jain, Kutty, Roy-Chowdhury, and Chatterjee, 1975
    type species: B. tagorei Jain et al., 1975
Barilium Norman, 2010
    type species: B. dawsoni (Lydekker, 1888 (originally Iguanodon))
Barosaurus Marsh, 1890
    type species: B. lentus Marsh, 1890
    other species: B. africanus (Fraas, 1908 (originally Gigantosaurus))=Tornieria africana
                         B. gracilis Janensch, 1961=Tornieria africana
                         B. affinis Marsh, 1899=B. lentus
Barrosasaurus Salgado and Coria, 2009
    type species: B. casamiquelai Salgado and Coria, 2009
Barsboldia Maryanska and Osmólska, 1981
   type species: B. sicinskii Maryanska and Osmólska, 1981
Baryonyx Charig and Milner, 1986
    type species: B. walkeri Charig and Milner, 1986
    other species: ?B. tenerensis (Sereno, Beck, Dutheil, Gado, Larsson, Lyon, Marcot, Rauhut, Sadleir, Sider, Varricchio, G. Wilson, and J. Wilson, 1998 (originally Suchomimus))
"Bashunosaurus" (N.N.) Kuang, 1996 vide Li, Zhang, and Cai, 1999
    "type species": "B. kaijangensis" (N.N.) Kuang, 1996 vide Li et al., 1999
Baurutitan Kellner, Campos, and Trotta, 2005
    type species: B. britoi Kellner et al., 2005
Becklespinax Olshevsky, 1991
    type species: B. altispinax (Paul, 1988 (originally Acrocanthosaurus))
"Beelemodon" (N.N.) Bakker, 1997
Beipiaosaurus Xu, Tang, and Wang, 1999
    type species: B. inexpectatus Xu, Tang, and Wang, 1999
Beishanlong Makovicky, Li D., Gao K.-Q., Lewin, Erickson, and Norell, 2009
    type species: B. grandis Makovicky et al., 2009
Bellusaurus Dong, 1990
    type species: B. sui Dong, 1990
Berberosaurus Allain, Tykowski, Aquesbi, Jalil, Monbaron, D. Russell, and Taquet, 2007
    type species; B. liassicus Allain et al., 2007 
Betasuchus (N.D.) Huene, 1932="Megalosaurus"
    type species: B. bredai (N.D.) (Seeley, 1883 (originally Megalosaurus))="M." bredai
Bienosaurus Dong, 2001
    type species: B. lufengensis Dong, 2001 
Bihariosaurus (N.D.) Marinescu, 1989
    type species: B. bauxiticus (N.D.) Marinescu, 1989
"Bilbeyhallorum" (N.N.) Burge, Bird, McClelland, and Cicconetti, 1999=Cedarpelta
"Bison" alticornis (N.D.) Marsh, 1887>Chasmosaurinae incertae sedis
Bissektipelta Parish, Jolyon, and Barrett, 2004
    type species: B. archibaldi (Averianov, 2002 (originally Amtosaurus))
Bistahieversor Carr and Williamson, 2010
    type species: B. sealeyi Carr and Williamson, 2010
Blasisaurus Cruzado-Caballero, Pereda-Suberbiola, and Ruiz-Omeñaca, 2010
    type species: B. canudoi Cruzado-Caballero et al., 2010
Blikanasaurus Galton and Heerden, 1985
    type species: B. cromptoni Galton and van Heerden, 1985
Bolong Wu W.-H., Godefroit, and Hu D.-Y., 2010
    type species B. yixianensis Wu W.-H. et al., 2010
Bonapartenykus Agnolin, Powell, Novas, and Kundrát, 2011
    type species: B. ultimus Agnolin et al., 2011
Bonatitan Martinelli and Forasiepi, 2004
    type species: B. reigi Martinelli and Forasiepi, 2004
Bonitasaura Apesteguía, 2004
    type species: B. salgadoi Apesteguía, 2004
Borealosaurus You, Ji, Lamanna, Li J., and Li Y., 2004
    type species: B. wimani You et al., 2004
Borogovia Osmólska, 1987
    type species: B. gracilicrus Osmólska, 1987
Bothriospondylus (N.D.) Owen, 1875
    type species: B. suffossus (N.D.) Owen, 1875
    other species: B. magnus (?N.D.) Owen, 1875=Ornithopsis hulkei
                         "B." elongatus (N.D.) Owen, 1875>Sauropoda incertae sedis
                         "B." madagascariensis Lydekker, 1895>Eusauropoda incertae sedis
                         "B." robustus (N.D.) Owen, 1875>Sauropoda incertae sedis
Brachiosaurus Riggs, 1903
    type species: B. altithorax Riggs, 1903
    other species: B. atalaiensis Lapparent and Zbyszewski, 1957=Lusotitan atalaiensis
                         B. brancai Janensch, 1914=Giraffatitan brancai
                         B. fraasi Janensch, 1914=Giraffatitan brancai
                         B. macintoshi (Jensen, 1985 (originally Ultrasaurus))=B. altithorax, Supersaurus vivianae
                         "B." nougaredi (?N.D.) Lapparent, 1960>Sauropoda incertae sedis
Brachyceratops (N.D.) Gilmore, 1914
    type species: B. montanensis (N.D.) Gilmore, 1914
    other species: B. dawsoni (Lambe, 1902 (originally Monoclonius))=Centrosaurus apertus
                         B. ovatus (Gilmore, 1930 (originally Styracosaurus))=Styracosaurus ovatus
Brachylophosaurus Sternberg, 1953
    type species: B. canadensis Sterberg, 1953
    other species: B. goodwini Horner, 1988=B. canadensis
Brachypodosaurus (N.D.) Chakravarti, 1934
    type species: B. gravis (N.D.) Chakravarti, 1934
Brachyrophus (N.D.) Cope, 1878
    type species: B. altarkansanus (N.D.) Cope, 1878
Brachytrachelopan Rauhut, Remes, Fechner, Cladera, and Puerta, 2005
    type species: B. mesai Rauhut et al., 2005
Bradycneme (N.D.) Harrison and Walker, 1975
   type species: B. draculae (N.D.) Harrison and Walker, 1975
Breviceratops Kurzanov, 1990=Bagaceratops
    type species: B. kozlowskii (Maryanska and Osmólska, 1975 (originally Protoceratops))=Bagaceratops rozhdestvenskyi
Brohisaurus Malkani, 2003
    type species: B. kirthari Malkani, 2003
Brontomerus Taylor, Wedel, and Cifelli, 2011
    type species: B. mcintoshi Taylor et al., 2011 
"Brontoraptor" (N.N.) Redman, 1995
Brontosaurus Marsh, 1879=Apatosaurus
   type species: B. excelsus Marsh, 1879=Apatosaurus excelsus
   other species: B. ajax (Marsh, 1877 (originally Apatosaurus))=Apatosaurus ajax
                        B. alenquerensis (Lapparent and Zbyszewski, 1957 (originally Apatosaurus))=Lourinhasaurus alenquerensis
                        B. amplus Marsh, 1881=Apatosaurus excelsus
                        B. louisae (Holland, 1915 (originally Apatosaurus))=Apatosaurus louisae
                        B. montanus (Marsh, 1877 (originally Titanosaurus))="T." montanus
Bruhathkayosaurus (N.D.) Yadagiri and Ayyasami, 1989
    type species: B. matleyi (N.D.) Yadagiri and Ayyasami, 1989
Bugenasaura Galton, 1995 = Thescelosaurus
    type species: B. infernalis Galton, 1995=Thescelosaurus sp.
    other species: ?B. garbanii (Morris, 1976 (originally Thescelosaurus))=Thescelosaurus garbanii
Buitreraptor Makovicky, Apesteguía, and Agnolín, 2005
    type species: B. gonzalezorum Makovicky et al., 2005
"Byranjaffia" (N.N.) Novacek, 2002=Byronosaurus
Byronosaurus  Norell, Mackinovicky, and Clark,  2000
    type species: B. jaffei Norell et al., 2000