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Biddulphia
Taxonomy
Biddulphia was named by Gray (1821). It is extant.
It was assigned to Biddulphioideae by Andrews (1976); to Bacillariophyta by Abbott and Ernissee (1983); and to Biddulphiaceae by Fourtanier and Kociolek (1999).
It was assigned to Biddulphioideae by Andrews (1976); to Bacillariophyta by Abbott and Ernissee (1983); and to Biddulphiaceae by Fourtanier and Kociolek (1999).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1821 | Biddulphia Gray |
1976 | Biddulphia Andrews p. 16 |
1983 | Biddulphia Abbott and Ernissee p. 297 |
1999 | Biddulphia Fourtanier and Kociolek |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. Biddulphia Gray 1821
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†Biddulphia aurita Kützing 1930
†Biddulphia aurita obtusa Kützing 1844
†Biddulphia semicircularis Brightwel 1853
†Biddulphia tuomeyi Bailey 1844
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Collections (14 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Campanian | Antarctica | B. sparsipunctata (57573) | |
Campanian | Canada (Northwest Territories) | B. grunowi (57618) | |
Maastrichtian | Antarctica | B. cretacea (57556 57561) | |
Paleocene | Antarctica | B. cretacea, B. fistulosa (57545) B. cretacea, B. sparsipunctata (57540) B. sparsipunctata (57538 57547) | |
Lutetian | Russian Federation (Kamchatka) | B. sp. (202259) | |
Aquitanian - Langhian | USA (North Carolina) | B. tuomeyii, B. aurita (48887) | |
Burdigalian - Langhian | Mexico (Baja California) | B. aurita (236356) | |
Langhian | Mexico (Baja California) | B. aurita (52183) | |
Serravallian | USA (Maryland) | B. aurita, B. semicircularis, B. tuomeyi (70546) | |
Messinian | Morocco | B. tuomeyi (35035) |