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Temporal range: LOrd (U Canad)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Nautiloidea
Order: Endocerida
Family: Proterocameroceratidae
Genus: Clitendoceras
Teichert & Glenister, 1954

Campendoceras is a proterocameroceratid genus from the Lower Ordovician of NW Australia and possibly Estonia that can be recognized by its slender, weakly endogastric, longiconic and annulate shell and large marginal siphuncle that contains endocones.

The curvature in Campendoceras is less distinct than that in Clitendoceras or Mcqueenoceras and the siphuncle is larger.