Euchelicerata - Eurypterida - Eurypteridae
Synonyms: Carcinosoma trigonum Ruedemann 1916, Hughmilleria trigonum Ruedemann 1916
Belongs to Eurypterus according to O. E. Tetlie 2006
See also Dunlop et al. 2020 and Kjellesvig-Waering 1963
Sister taxa: Eurypterus (Adelophthalmus), Eurypterus (Anthraconectes), Eurypterus cephalaspis, Eurypterus dekayi, Eurypterus flintstonensis, Eurypterus hankeni, Eurypterus henningsmoeni, Eurypterus laculatus, Eurypterus lacustris, Eurypterus leopoldi, Eurypterus loi, Eurypterus obesus, Eurypterus oklahomensis, Eurypterus ornatus, Eurypterus pittsfordensis, Eurypterus punctatus, Eurypterus quebecensis, Eurypterus raniceps, Eurypterus scouleri, Eurypterus sellardsi, Eurypterus serratus, Eurypterus styliformis, Eurypterus tetragonophthalmus, Eurypterus yangi
Ecology: nektobenthic carnivore
Distribution:
• Silurian of Canada (2: Northwest Territories, Quebec collections), United States (8: Maryland, New York, Pennsylvania)
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.