Moreno Formation

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Moreno Formation
Stratigraphic range: Maastrichtian 70–66 Ma
Type Geological formation
Location
Region California
Country United States

The Moreno Formation is a Mesozoic geologic formation. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[1]

Paleofauna[edit]

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs[edit]

Dinosaurs reported from the Moreno Formation
Genus Species Location Member Material Notes

Augustynolophus[2]

A. morrisi[2]

A saurolophine.[2]

Saurolophus[2]

S. morrisi[2]

Reclassified as Augustynolophus morrisi.[2]

Mosasaurs[edit]

Mosasaurids reported from the Moreno Formation
Genus Species Location Member Material Notes Images

Kolposaurus[3]

K. bennisoni[3]

The name Kolposaurus was preoccupied and its two constituent species moved to the new genus Plotosaurus.[3]

K. tuckeri[3]

Plesiotylosaurus[4]

P. crassidens[4]

Plotosaurus[3]

P. bennisoni[3]

P. tuckeri[3]

Plesiosaurs[edit]

Plesiosaurs reported from the Moreno Formation
Genus Species Location Member Material Notes

Aphrosaurus[5]

A. furlongi[5]

Fresnosaurus[6]

F. drescheri[6]

Hydrotherosaurus[5]

H. alexandrae[5]

Morenosaurus[6]

M. stocki[6]

Turtles[edit]

Testudines reported from the Moreno Formation
Genus Species Location Member Material Notes

Adocus

J. Howard Hutchison later referred the specimen originally identified as Adocus by to the genus Basilemys.[7]

Basilemys

Osteopygis[6]

See also[edit]

Footnotes[edit]

  1. ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  2. ^ a b c d e f Prieto-Márquez, Albert; Wagner, Jonathan R.; Bell, Phil R.; Chiappe, Luis M. (2014). "The late-surviving 'duck-billed' dinosaur Augustynolophus from the upper Maastrichtian of western North America and crest evolution in Saurolophini". Geological Magazine. 152: 225–241. doi:10.1017/S0016756814000284. 
  3. ^ a b c d e f g "4: The Marine Reptiles; Mosasaurs," in Hilton (2003) p. 107-110
  4. ^ a b "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 273
  5. ^ a b c d "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 276
  6. ^ a b c d e "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 277
  7. ^ "4: The Marine Reptiles; Turtles," in Hilton (2003) p. 114

References[edit]