''Clathroceras'' is an extinct genus of straight

oncocerid The Oncocerida comprise a diverse group of generally small nautiloid cephalopods known from the Middle Ordovician to the Mississippian (early Carboniferous; one possible member is known from the Early Permian), in which the connecting rings are ...

belonging to the family

Trimeroceratidae Trimeroceratidae is a family of molluscs in the order Oncocerida. These molluscs were fast-moving nektobenthic carnivores. They lived in the Silurian period. Distribution Species have been found in Silurian-era strata of Canada (Québec), China ...

. It comprises several species, including ''Clathroceras plicatum'' and ''C. sulcatum''. ''C. plicatum'' was discovered in

Gotland Gotland (, ; ''Gutland'' in Gutnish), also historically spelled Gottland or Gothland (), is Sweden's largest island. It is also a province, county, municipality, and diocese. The province includes the islands of Fårö and Gotska Sandön to th ...

, Sweden, and ''C. sulcatum'' in the

Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. Th ...

. The latter was originally classified as part of the distantly-related oncocerid genus '' Phragmoceras''.

References

Oncocerida Prehistoric nautiloid genera Silurian animals Silurian animals of Europe {{silurian-animal-stub