†Cryptograptus tricornis Carruthers 1859 (graptolite)
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Pterobranchia - Graptoloidea - Glossograptidae
Alternative combination: Diplograptus tricornis
Belongs to Cryptograptus according to Lapworth 1880
Sister taxa: Cryptograptus antennarius, Cryptograptus schaferi
Ecology: facultatively mobile planktonic suspension feeder
Distribution:
• Dobrotivian of the Czech Republic (1 collection)
• Whiterockian of Canada (2: Newfoundland and Labrador)
• Ordovician of Canada (2: New Brunswick, Québec), the Russian Federation (2), the United Kingdom (1), United States (17: Alaska, Idaho, Nevada)
Total: 25 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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