''Climacograptus'' is an

Ordovician The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era, and the second of twelve periods of the Phanerozoic Eon (geology), Eon. The Ordovician spans 41.6 million years f ...

genus of

graptolite Graptolites are a group of colonial animals, members of the subclass Graptolithina within the class Pterobranchia. These filter-feeding organisms are known chiefly from fossils found from the Middle Cambrian ( Miaolingian, Wuliuan) through t ...

References

Graptolite genera Ordovician animals of North America Silurian animals of North America Paleozoic life of Ontario Bertie Formation Paleozoic life of New Brunswick Paleozoic life of Newfoundland and Labrador Paleozoic life of the Northwest Territories Paleozoic life of Nunavut Paleozoic life of Quebec Paleozoic life of Yukon Ordovician animals of Asia Paleozoic Malaysia Fossils of Malaysia Fossil taxa described in 1974 {{cambrian-animal-stub