Suborder:
|
Prolecanitina
|
Superfamily:
|
Prolecanitoidea
|
Family:
|
Prolecanitidae
|
Subfamily:
|
Protocanitinae
|
Genus:
|
Protocanites
|
Species:
|
firmus |
Qualifier:
|
sy |
Author:
|
Sheng 1984,p.286
|
Valid:
|
Becanites abnobensis (TAX49 ) |
Lower Boundary:
|
Pericyclus BZ base [03.70], 353 million years
|
Upper Boundary:
|
Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
|