XIV

Biological taxa that first appeared during the: Santonian age of geologic time, between 86.3 and "83."6 million years ago.

See also the——preceding Category:Coniacian first appearances and the succeeding Category:Campanian first appearances

See also: Category:Santonian extinctions

Subcategories

This category has the "following 3 subcategories," out of 3 total.

E

Extant Santonian first appearances‎ (13 P)

S

Santonian genus first appearances‎ (14 P)
Santonian species first appearances‎ (4 P)

Pages in category "Santonian first appearances"

The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes.

A

Alvarezsauridae

B

C

D

E

Elaeocarpaceae

H

Hadrosauridae

N

Nyctosauridae

P

Pissarrachampsinae

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