Definition of Adelophthalmids. Meaning of Adelophthalmids. Synonyms of Adelophthalmids

- million years after the extinction of the adelophthalmids in the Early Permian. The size of the adelophthalmid eurypterids ranged from 4 centimetres (1...
- basal ("primitive") genus that was distinguished from the more derived adelophthalmids by the specialization of its genital operculum (a plate-like segment...
- number of homologies with derived eurypterine eurypterids such as the adelophthalmids, and are thus best classified as derived members of the same suborder...
- genus Parahughmilleria, Pruemopterus can be distinguished from other adelophthalmids by several features, most notably its wide and vaguely rectangular...
- Erettopterus bilobus A pterygotid eurypterid. ?Nanahughmilleria lanceolata An adelophthalmid eurypterid. ?Hardieopterus lanarkensis A hardieopterid eurypterid. Loganamaraspis...
- (2.4 in), Pittsfordipterus was one of the smallest adelophthalmids. Like the other adelophthalmid eurypterids, Pittsfordipterus was a small eurypterid...
- misspelled as Archaeoctonous. Adelophthalmus A. cf. A. mazonensis An adelophthalmid eurypterid. Amphissites Indeterminate Ostracod. Geisina Gutschickia...
- obesus A carcinosomatid eurypterid. ?Nanahughmilleria lanceolata An adelophthalmid eurypterid. ?Parastylonurus sigmoidalis A parastylonurid eurypterid...
- a little-known basal genus that was distinguished from the rest of adelophthalmids by the position near the head margin of the eyes, different from the...
- lifestyle, the eurypterids could venture on to land for long periods. The adelophthalmids likely first appeared in the waters of the continent Baltica in the...