Suborder:
|
Anarcestina
|
Superfamily:
|
Triainoceratoidea
|
Family:
|
Pharciceratidae
|
Subfamily:
|
Pharciceratinae
|
Genus:
|
Mzerrebites
|
Species:
|
schwelmensis |
Qualifier:
|
sy |
Author:
|
Paeckelmann 1921,p.114
|
Valid:
|
Mzerrebites bifurcatus (Paeckelmann) TAX1360 |
Lower Boundary:
|
mid.--up.varcus Zone [17,00], 389 million years
|
Upper Boundary:
|
Givetian--Frasnian [GIV--FRS], 385.3 million years
|