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Genus of eurypterid
Russian language with poor illustrations, Unionopterus' affinities are extremely poorly known. Unionopterus was described in 1948 after the discovery
Unionopterus
Family of eurypterids
throughout the Devonian and Carboniferous. Adelophthalmus (and possibly Unionopterus) represents the only known genus of swimming eurypterids beyond the extinction
Adelophthalmoidea
Extinct genus of arthropods
Eurypterida Unionopterus Ruedemannipterus Vernonopterus Dunsopterus Dorfopterus Stylonurina Mycteropoidea Rhenopteroidea Stylonuroidea Eurypterina Moselopteroidea
Dorfopterus
Genus of arthropods (fossil)
Soviet Union, the only others being A. carbonarius from Ukraine and Unionopterus from Kazakhstan. Shpinev described two new species of Adelophthalmus
Adelophthalmus
to the genus. Boris Isidorovich Chernyshev described the new species Unionopterus anastasiae. Kjellesvig-Waering described the new species Hughmilleria
Timeline of eurypterid research
Timeline_of_eurypterid_research
1912 Preoccupied N/A N/A Preoccupied name, changed to Tylopterella. Unionopterus Chernyshev 1948 Valid Carboniferous Kazakhstan Vinetopterus Poschmann
List_of_eurypterid_genera
Extinct genus of arthropods
whereas they increase in length posteriorly in Parahughmilleria. The genus Unionopterus, probably an adelophthalmid, is fragmentarily known, which complicates
Pruemopterus
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