''Arctomeekoceras'' is a genus of

ammonoid 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) ...

s in the order

Ceratitida Ceratitida is an order that contains almost all ammonoid cephalopod genera from the Triassic as well as ancestral forms from the Upper Permian, the exception being the phylloceratids which gave rise to the great diversity of post Triassic ammoni ...

from the Early Triassic, included in the

Meekoceratidae The Meekoceratidae is a family of ceratitid ammonites described in the ''Treatise on Invertebrate Paleontology The ''Treatise on Invertebrate Paleontology'' (or ''TIP'') published by the Geological Society of America and the University of Kan ...

; a family characterized by more of less involute, compressed, discoidal forms that are smooth or weakly ornamented and have a ceratitic suture with broad saddles. Arctomeekoceras lived from about 250 to about 245 m.y.a and has been found in arctic Canada (Nunavut) in the Blind Fiord Formation associated with '' Neomeekoceras'', ''

Olenikites ''Olenekoceras'' is an ammonoid cephalopod from the Lower Triassic included in the ceratitid family Sibiritidae, once included in the Noritaceae but now in the Ceratitaceae Ceratitoidea, formerly Ceratitaceae, is an ammonite superfamily in o ...

'', and '' Pseudosageceras''; and in far northern Siberia, Russian Federation, associated with ''Boreomeekoceras'', ''Pseudosageceras'', ''Olenikites'', ''Keyserlingites'', ''Sibirites'', ''Nordophiceras'', ''Olenekoceras'', and ''Subolenekites''

References

* Arkell, ''et al''. Mesozoic Ammonoidea;

Treatise on Invertebrate Paleontology The ''Treatise on Invertebrate Paleontology'' (or ''TIP'') published by the Geological Society of America and the University of Kansas Press, is a definitive multi-authored work of some 50 volumes, written by more than 300 paleontologists, and co ...

, Part L, Ammonoidea. Geol Soc of America and Univ Kansas press, 1957, R. C. Moore (ed)
Arctomeekoceas - Paleobiology.
* Axel Heiberg Island Paleofauna

* Mengilyakh Creek Paleofauna

Meekoceratidae Extinct animals of Russia Ceratitida genera Early Triassic ammonites Extinct animals of Canada {{Ceratitida-stub