-
evolutionary history, with "large"
species occurring in the
Devonian (A.
sievertsi at 18 cm, 7 in, and A.
waterstoni at 15 cm, 6 in), the
Carboniferous (the...
- in the formation, it also
preserved other eurypterids (Adelophthalmus
sievertsi,
Parahughmilleria hefteri,
Rhenopterus diensti,
Pruemopterus salgadoi...
- Wiedopterus,
beyond just
superficial similarity, is
Adelophthalmus sievertsi,
though A.
sievertsi can be
distinguished from
Wiedopterus by its
carapace and opisthosoma...
- Bern. Poschmann,
Markus (2006-01-01). "The
Eurypterid Adelophthalmus Sievertsi (chelicerata: Eurypterida) from the
Lower Devonian (emsian)
Klerf Formation...
- Størmer, 1936 -
Germany (Devonian),
synonym of R. diensti. "Rhenopterus"
sievertsi Størmer, 1969 -
Germany (Devonian),
reclassified as a
species of Adelophthalmus...
-
Early Devonian), the
earliest species of
Adelophthalmus appeared, A.
sievertsi,
presenting basal features such as the wide
swimming leg (as in Nanahughmilleria...
- (PDF). Poschmann,
Markus (2006-01-01). "The
Eurypterid Adelophthalmus Sievertsi (chelicerata: Eurypterida) from the
Lower Devonian (emsian)
Klerf Formation...
-
species G. stevensoni. 1969 Størmer
described the
species Rhenopterus sievertsi. 1971 Kjellesvig-Waering
described the
species Erettopterus serricaudatus...
