Olenecoceras
| Olenecoceras Temporal range:   | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | incertae sedis | 
| Genus: | †Olenecoceras Balashov, 1966  | 
| Species: | †O. rastorguense  | 
| Binomial name | |
| †Olenecoceras rastorguense Balashov, 1966  | |
Olenecoceras is a genus of Middle Cambrian fossils that, once believed to be a cephalopod, has since been excluded from that group (although no alternative classification has been offered). The genus was established by Zakhar Grigor'evich Balashov in 1966, from the river Olenyok.