- Jarvik, 1937 †P.
elongata Jarvik, 1937 †P. foxi
Johanson et al., 2013 †P.
hefteri Gross, 1935 †P.
kureikensis Vorobyeva, 1963 †P.
siegenensis Gross, 1935...
- the same
epoch as Pruemopterus,
although the
species Parahughmilleria hefteri (possibly a
younger growth stage of the
species Parahughmilleria major)...
-
Verbruggen 2011 C.
dubius LoDuca 1997 C.
gracilis Kenrick &
Vither 2006 C.
hefteri Krausel and Weyland, 1962 C.
plumula Whitfield 1894 C.
ruedemanni LoDuca...
-
species have
disputed ages. The
unequivocally oldest representative was P.
hefteri, with
fossils found in the Kip Burn Formation, Lesmahagow, Scotland, from...
-
preserved other eurypterids (Adelophthalmus sievertsi,
Parahughmilleria hefteri,
Rhenopterus diensti,
Pruemopterus salgadoi,
Erieopterus sp.), possible...
- The
earliest adelophthalmoids, such as the
Devonian Parahughmilleria hefteri,
which are
recovered in non-marine
deposits such as in
environments that...
-
fossils of S.
andersoni and the
eurypterids Pterygotus and
Parahughmilleria hefteri. Marshall,
David J.; Lamsdell,
James C.; Shpinev,
Evgeniy S.; Braddy, Simon...
- small-sized eurypterid,
although it has been
suggested that it and P.
hefteri may
represent the same species. Like
other adelophthalmid eurypterids,...
