Didymograptus holmi Törnquist 1901 (graptolite)

Pterobranchia - Graptoloidea - Dichograptidae

Alternative combination: Expansograptus holmi

Belongs to Didymograptus according to Törnquist 1901

Sister taxa: Didymograptus (Didymograptellus), Didymograptus (Didymograptus), Didymograptus balticus, Didymograptus demissus, Didymograptus ensjoensis, Didymograptus euodus, Didymograptus extensus, Didymograptus filiformis, Didymograptus latus, Didymograptus murchisoni, Didymograptus nicholsoni, Didymograptus pacificus, Didymograptus paraindentus, Didymograptus paraindentus, Didymograptus protobalticus, Didymograptus pusillus, Didymograptus spinulosus, Didymograptus suecicus, Didymograptus turgidus, Didymograptus undulatus, Didymograptus uniformis

Ecology: passively mobile planktonic suspension feeder


• Ordovician of Argentina (2 collections)

• Arenig of Canada (1: Yukon)

• Arenigian of Argentina (1)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.