Graptolithus constrictus Hall 1865 (graptolite)


Alternative combination: Expansograptus constrictus

Belongs to Graptolithus according to J. Hall 1865

Sister taxa: Graptolithus (Prionotus), Graptolithus murchisonii, Graptolithus octobrachiatus, Graptolithus similis

Ecology: passively mobile planktonic suspension feeder


• Ordovician of Argentina (2 collections), the Russian Federation (1)

• Arenigian of Argentina (1)

• Arenig of Canada (1: Yukon)

Total: 5 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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