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Biddulphia

Biddulphiaceae

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).

Synonymy list
YearName and author
1821Biddulphia Gray
1976Biddulphia Andrews p. 16
1983Biddulphia Abbott and Ernissee p. 297
1999Biddulphia Fourtanier and Kociolek

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RankNameAuthor
kingdomProtista
phylumOchrophyta
RankNameAuthor
familyBiddulphiaceae
genusBiddulphiaGray 1821

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

Age range: base of the Campanian to the top of the Messinian or 83.60000 to 5.33300 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Campanian83.6 - 72.2Antarctica B. sparsipunctata (57573)
Campanian83.6 - 72.2Canada (Northwest Territories) B. grunowi (57618)
Maastrichtian72.2 - 66.0Antarctica B. cretacea (57556 57561)
Paleocene66.0 - 56.0Antarctica B. cretacea, B. fistulosa (57545) B. cretacea, B. sparsipunctata (57540) B. sparsipunctata (57538 57547)
Lutetian48.07 - 41.03Russian Federation (Kamchatka) B. sp. (202259)
Aquitanian - Langhian23.04 - 13.82USA (North Carolina) B. tuomeyii, B. aurita (48887)
Burdigalian - Langhian20.45 - 13.82Mexico (Baja California) B. aurita (236356)
Langhian15.98 - 13.82Mexico (Baja California) B. aurita (52183)
Serravallian13.82 - 11.63USA (Maryland) B. aurita, B. semicircularis, B. tuomeyi (70546)
Messinian7.246 - 5.333Morocco B. tuomeyi (35035)