''Arctomercaticeras'' is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of cephalopod belonging to the

Ammonite Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...

subclass and the family

Hildoceratidae Hildoceratidae is a family of ammonoid cephalopods from the Lower Jurassic, lower Pliensbachian (''Jamesoni'' zone) to lower Bajocian (maybe even upper Bajocian) substages, generally with strongly ribbed, involute shells. They are combined with ...

that lived during the Early Jurassic (Toarcian stage) in the Arctic zone of

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

.V. A. Zakharov, B. N. Shurygin, N. I. Kurushin, S.V. Meledina, and B. L. Nikitenko
A Mesozoic Ocean in the Arctic: paleontological evidence
''Russian Geology and Geophysics'' Vol. 43, No. 2, pp. 143-170, 2002

References

Jurassic ammonites Fossils of Russia Toarcian life {{Ammonite-stub