PaleoDB taxon number: 18999
Parent taxon: Eurypterida according to J. J. Sepkoski 2002
Sister taxa: Alkenopterus, Bassipterus, Brachyopterella, Brachyopterus, Buffalopterus, Ctenopterus, Cyrtoctenus, Dorfopterus, Dunsopterus, Echinognathus, Eocarcinosoma, Erettopterus, Erieopterus, Eurypterella, Eurypterella ornata, Eurypterina, Grossopterus, Hallipterus, Hastimima, Hibbertopterus, Holmipterus, Jaekelopterus, Kokomopterus, Lamontopterus, Lanarkopterus, Megalograptus, Mixopterus, Moselopterus, Mycteropidae, Pagea, Palmichnium, Paracarcinosoma, Parahughmillera, Parahughmilleria, Pittsfordipterus, Pterygotidae, Rhenopterus, Ruedemannipterus, Salteropterus, Strobilopterus, Stylonurina, Stylonuroides, Stylonurus, Syntomopterus, Tarsopterella, Thurandina, Truncatiramus, Tylopterella, Waeringopteroidea, Waeringopterus, Woodwardopteridae
Subtaxa: none
Ecology: nektobenthic carnivore