-
existing for
approximately 9
million years.
Eosomichelinoceras was
named by Chen (1974) Its type is
Eosomichelinoceras huananense. It was ****igned to Orthocerida...
- †Bactroceras †Castelloceras †Cochlioceras †Cyrtobaltoceras †Endorioceras †
Eosomichelinoceras †Hedstroemoceras †Metabaltoceras †Microbaltoceras †Rhabdiferoceras...
- †Eocyckistomiceras †Eocyrtoceras †Eodiaphragmoceras †Eoectenolites †Eorizoceras †
Eosomichelinoceras †Eothinoceras †Eotrimeroceras †Eotripteroceras †Ephippioceras †Ephippiorthoceras...
-
Valhallfonna Formation Norway A
member of the
family Cyclostomiceratidae.
Eosomichelinoceras borealis Sp. nov
Valid Kröger &
Pohle Ordovician (Floian) Valhallfonna...
