Western Trilobite Association Navigation: Trilobite Genera / Species I Trilobite Formations I Trilobite Locations

TRILOBITE GENERA AND SPECIES LIST
for Genera beginning with letter B

Baltagnostus Lochman in Lochman & Duncan, 1944

B. eurypyx

Basilicus Salter, 1849

B.? sp. Ross, 1951

Bathynotus Hall, 1860

B. holopygus (Hall, 1859)

Bathyocos Sundberg, 1994

B. housensis Sundberg, 1994

Bathyuriscidella Rasetti, 1948

B. amplicauda

Bathyuriscus Meek, 1873

B. adaeus Walcott, 1916
B. atossa Walcott, 1916 [Spence Shale, Idaho]
B. brighamensis Resser 1939a
B. elegans
B. fimbriatus Robison, 1964
B. formosis Deiss, 1939 = B. haydeni Meek, 1873 [fida Robison, 1964]
B. haydeni Meek, 1873 [Montana]
B. rotundatus (Rominger, 1887)
B. rugosus Deiss, 1939 = B. haydeni Meek, 1873 [fida Robison, 1964]
B. wasatchensis (Resser 1939b)
B. sp. [Metaline Fm.]

Bellefontia Ulrich in Walcott, 1924b

B. acuminiferentis Ross, 1951
B. chamberlaini Clark, 1935
B. cf. B. chamberlaini Clark, 1935 (Manitou Fm.)

Benthamaspis Poulsen, 1946

B. sera Fortey and Droser, 1999

Biceratops Pack & Gayle, 1971

B. nevadensis Pack & Gayle, 1971 [Type from the Bright Angle Shale, Nevada & Arizona]

Bienvillia Clark, 1924

B. papulosa (Fortey, 1974)

Blountia

B. sp. (Weeks Fm.)

Bolaspidella Resser, 1937b

B. contracta Robison, 1964
B. drumensis Robison, 1964
B. housensis (Walcott, 1886)
B. resseri (Miller, 1936) [Pika Fm.]
B. wellsvillensis (Lochman & Denson, 1944)
B. n. sp. [Marjum Fm.]
B. sp. [Marjum Formation]
B. sp.

Bolaspis Resser, 1935

B. globulifera Deiss, 1939 [Montana]
B. grandis Deiss, 1939 [Montana]
B. labrosa (Walcott, 1916) [All of the Deiss 1939 species should be synonymized]
B. minuta Deiss, 1939 [Montana]
B.? unica Deiss, 1939 [Montana]
B. vera Deiss, 1939 [Montana]

Bolbolenellus Palmer & Repina, 1993

B. brevispinus Palmer, 1998 [Type from the Pioche Shale, eastern Nevada and reported by Sundberg & McCollum, 2003b from the Emigrant Formation, western Nevada]
B. euryparia (Palmer, in Palmer & Halley 1979) [=O. euryparia Palmer, in Palmer & Halley 1979]
B. n. sp. 1 [Carrara Fm.]

Bonnia Walcott, 1916

        B. caperata Palmer, 1964

B. copia Fritz, 1968
B. sp. (see Fritz, 1992) [Mural Fm.]

Brachyaspidion Miller, 1936

B. microps Robison, 1971
B. sulcatum Robison, 1964

Brachymetopus

B. indianwellensis Brezinski, 2000
B.  cf. pseudometopina Gauri and Ramovs [Mount Mark Fm.]

Bradyfallotaspis Fritz, 1972

Gen. aff. B. sp. (see Fritz, 1992) [Mural Fm.]

Breviphillipsia

B. semeretis Hessler, 1963
B. sp. (Baird Fm.)

Bristolia Harrington, 1956

B. anteros Palmer in Palmer & Halley, 1979
"Bristolia" brachyoma (Palmer)
B. bristolensis (Resser, 1928)
B. fragilis Palmer in Palmer & Halley, 1979
B. harringtoni Lieberman, 1999
B. insolens (Resser, 1928)
B. mohavensis (Resser, 1928) (not sure about the correct author, spelling, or generic assessment of this species)
B.  mohavensis (Crickway, 1933) = Olenellus mojavensis (Crickway, 1933)
"B." mohavensis (Resser, 1928)
B. n. sp. (Mount, 1980, fig. 16) [Latham Shale]
B.  n. sp. 1  [Carrara Fm.]
B.  n. sp. 2  [Carrara Fm.]
B.  n. sp. 3  [Carrara Fm.]
B.  n. sp. 4  [Carrara Fm.]
B.  n. sp. 5 [Carrara Fm.]

Burlingia Walcott, 1908

B. sp. [Swasey Formation]

Burnetiella Lochman, 1958

B. leechi Chatterton & Ludvigsen, 1998

Bynumina

B. globosa (Walcott)

Bynumiella [Bynumiella is a junior synonym of Clelandia, fide PALMER, 1965]

B.? acuminata Palmer, 1960 [=Clelandia acuminata]