†Climacograptus (Climacograptus) Hall 1865 (climacograptid)
Pterobranchia - Graptoloidea - Climacograptidae
Parent taxon: Climacograptus according to Hall 1865
Sister taxa: Climacograptus (Dicranograptus), Climacograptus hastatus, Climacograptus nevadensis, Climacograptus putillus, Climacograptus scalaris, Climacograptus styloideus, Climacograptus typicalis, Graptolithus (Climacograptus) ramulus
Subtaxa: Climacograptus (Climacograptus) bicornis
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Ordovician of Argentina (1 collection), Canada (4: New Brunswick, Northwest Territories, Nunavut), China (4), Kazakhstan (1), the Russian Federation (1), Sweden (1), United States (10: Alaska, Idaho, Nevada)
Total: 22 collections including 23 occurrences