Genus
Richardsonoceras Foerste, 1933
Aiheeseen liittyvät julkaisut
Kröger, B., Zhang, Y., Isakar, M. 2009. Discosorids and Oncocerids (Cephalopoda) of the Middle Ordovician Kunda and Aseri Regional Stages of Baltoscandia and the early evolution of these groups. Geobios 42, 3, 273-292. Elsevier BV. DOI:10.1016/j.geobios.2008.09.006
Kröger, B. 2007. Concentrations of juvenile and small adult cephalopods in the Hirnantian cherts (Late Ordovician) of Porkuni, Estonia. Acta Palaeontologica Polonica 52, 3, 591–608.
List of species
1. Richardsonoceras gastroscopium Kröger, Zhang et Isakar, 2009 | Kunda Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Multiceratia |
| Order | Oncocerida |
| Family | Oncoceratidae |
| Genus | Beloitoceras |
| Cyrtorizoceras | |
| Dalecarlioceras | |
| Neumatoceras | |
| Oncoceras | |
| Oocerina | |
| Paramiamoceras | |
| Retizitteloceras | |
| Richardsonoceras | |
| Species | gastroscopium |
| gerhardi | |
| goldmanni | |
| haelluddenense | |
| Genus | Richardsonoceroides |
See also