Monocyrtoceras

Monocyrtoceras
Temporal range: Middle Silurian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Nautiloidea
Order: Actinocerida
Family: Armenoceratidae
Genus: Monocyrtoceras
Foeste, 1924

Monocyrtoceras is a genus of armenoceratids (Cephalopoda) from the Middle Silurian of North America (Wisconsin), with a gently curved shell and a siphuncle like that of Elrodoceras.

According to Teichert, 1964, in the Treatise part K, Monocyrtoceras along with Elrodoceras and Armenoceras forms one of the two branches of the Armenoceratidae.