-
Styxosaurus browni, was
named by
Welles in 1952.
Although synonymized with
Hydralmosaurus serpentinus by
Kenneth Carpenter in 1999, it was
revalidated by Rodrigo...
-
Retrieved 2009-11-17. Otero, R. A. (2016). "Taxonomic re****essment of
Hydralmosaurus as Styxosaurus: new
insights on the
elasmosaurid neck
evolution throughout...
- and Elasmosaurus. Both
reached some more than 10 m (33 ft) in length.
Hydralmosaurus (previously
synonymized with
Elasmosaurus and Styxosaurus)
reached 9...
-
Maastrichtian Argentina
Aristonectes Pierre Shale Campanian US Martinectes,
Hydralmosaurus Posidonia Shale Toarcian Germany
Hauffiosaurus zanoni, Hydrorion, Meyerasaurus...
- serpentinus from Elasmosaurus, and
placed it in a new genus,
Hydralmosaurus. Subsequently, all
Hydralmosaurus specimens were
moved to
Styxosaurus in 2016, rendering...
- cretres.2016.11.014. Otero, R. A. (2016). "Taxonomic re****essment of
Hydralmosaurus as Styxosaurus: new
insights on the
elasmosaurid neck
evolution throughout...
-
Campanian Pierre Shale USA Wyoming A long-necked
elasmosaurid plesiosaur.
Synonymized with
Hydralmosaurus serpentinus in 1999
Removed from
synonymy in 2016...
-
snowii Santonian-Campanian Santonian-Campanian Santonian-Campanian
Hydralmosaurus serpentinus Santonian-Campanian Santonian-Campanian Santonian-Campanian...
- 1475-4983.2007.00654.x. Otero, R.A. (2016). "Taxonomic re****essment of
Hydralmosaurus as Styxosaurus: new
insights on the
elasmosaurid neck
evolution throughout...
-
Hydralmosaurus serpentinus...
