- Luxembourg, and the Alum
Shale Formation of England. The type species, M.
homalospondylus, was the largest,
measuring 5.1 m (17 ft) long and
weighing 650 kg...
- longirostris,
Hauffiosaurus tomistomimus, Macroplata,
Microcleidus homalospondylus,
Microcleidus macropterus,
Rhomaleosaurus cramptoni, Rhomaleosaurus...
- an
external specifier.
Microcleididae was
defined as "Microcleidus
homalospondylus and all taxa more
closely related to it than to
Plesiosaurus doli****irus...
-
Microcleidus brachypterygius Microcleidus homalospondylus...
-
Microcleidus brachypterygius Microcleidus homalospondylus...
-
Microcleidus homalospondylus...
-
Falciferum Zone MCZ 1033, a
skeleton A
Rhomaleosaurid Microcleidus M.
homalospondylus Whitby Upper Alum Shale,
Hildoceras bifrons Zone
Multiple partial skeletons...
-
Microcleidus homalospondylus...
-
Leidy Late
Cretaceous (Santonian) A
dubious plesiosaur.
Plesiosaurus homalospondylus Valid Sir
Richard Owen
Early Jur****ic (Toarcian) Alum
shale UK A Microcleididae...
- Life
restoration of
Microcleidus homalospondylus...
