Russian language with poor illustrations, Unionopterus' affinities are extremely poorly known. Unionopterus was described in 1948 after the discovery...
15 KB (1,677 words) - 07:24, 27 August 2024
throughout the Devonian and Carboniferous. Adelophthalmus (and possibly Unionopterus) represents the only known genus of swimming eurypterids beyond the extinction...
38 KB (4,140 words) - 20:31, 4 December 2024
whereas they increase in length posteriorly in Parahughmilleria. The genus Unionopterus, probably an adelophthalmid, is fragmentarily known, which complicates...
10 KB (1,146 words) - 10:52, 28 January 2024
to the genus. Boris Isidorovich Chernyshev described the new species Unionopterus anastasiae. 1950 Kjellesvig-Waering described the new species Hughmilleria...
84 KB (7,529 words) - 09:56, 19 December 2024
Unionopterus Ruedemannipterus Vernonopterus Dunsopterus Dorfopterus...
26 KB (2,788 words) - 23:44, 25 August 2024
1912 Preoccupied N/A N/A Preoccupied name, changed to Tylopterella. Unionopterus Chernyshev 1948 Valid Carboniferous  Kazakhstan Vinetopterus Poschmann...
42 KB (1,432 words) - 03:09, 3 December 2023
Soviet Union, the only others being A. carbonarius from Ukraine and Unionopterus from Kazakhstan. Shpinev described two new species of Adelophthalmus...
94 KB (8,878 words) - 20:34, 4 December 2024