Suborder:
|
Goniatitina
|
Superfamily:
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Pericycloidea
|
Family:
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Muensteroceratidae
|
Genus:
|
Muensteroceras
|
Species:
|
parvulum |
Qualifier:
|
ss |
Author:
|
Kuzina 1983,p.92
|
Lower Boundary:
|
RUN Kos'vinskii gorizont base, 349 million years
|
Upper Boundary:
|
RUN Kos'vinskii--Nortnichskii, 340 million years
|