Pterobranchia - Graptoloidea - Dicranograptidae
Alternative combinations: Dicranograptus sextans, Didymograptus sextans, Graptolithus sextans
Belongs to Dicellograptus according to Elles and Wood 1904
See also Hall 1865
Sister taxa: Dicellograptus anceps, Dicellograptus caduceus, Dicellograptus complanatus, Dicellograptus complexus, Dicellograptus divaricatus, Dicellograptus elegans, Dicellograptus gravis, Dicellograptus ornatus
Distribution:
• Chazyan of United States (1: California collection)
• Whiterockian of United States (1: Nevada)
• Ordovician of Canada (2: Québec, Yukon), China (3), New Zealand (10), United States (11: Alaska, Idaho, Nevada)
Total: 28 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.