Moreno Formation

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Moreno Formation
Stratigraphic range: Maastrichtian 70–66 Ma
↓
TypeGeological formation
Unit ofChico Group
UnderliesUnconformity with the Martinez Formation and Tejon Formation
OverliesPanoche Formation
Thickness1,600–2,000 ft (487.68–609.60 m)
Lithology
PrimaryShale
OtherSandstone
Location
RegionSan Joaquin Valley, California
CountryUnited States

The Moreno Formation is a Mesozoic geologic formation located in San Joaquin Valley (California).
Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[1]

Paleofauna

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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.

Cartilaginous fish

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Cartilaginous fishes reported from the Moreno Formation
Genus Species Location Member Material Notes Images
Heptranchias[2] H. sp

Ray-finned fish

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Ray-finned fishes reported from the Moreno Formation
Genus Species Location Member Material Notes Images

Bonnerichthys[3]

B. gladius

A large, filter-feeding pachycormid.

File:Bonnerichthys gladius.png
Bonnerichthys

Saurodon[4]

S. sp.

An ichthyodectid.

File:Saurodon leanus.png
Saurodon

Dinosaurs

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

Augustynolophus[5]

A. morrisi[5]

saurolophine.[5]
File:Augustynolophus morrisi.png
Augustynolophus
Saurolophus[5]

S. morrisi[5]

Reclassified as Augustynolophus morrisi.[5]

Mosasaurs

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

Kolposaurus[6]

K. bennisoni[6]

The name Kolposaurus was preoccupied and its two constituent species moved to the new genus Plotosaurus.[6]

K. tuckeri[6]

Plesiotylosaurus[7]

P. crassidens[7]

File:Plesiotylosaurus crassidens MP.jpg
Plesiotylosaurus crassidens

Plotosaurus[6]

P. bennisoni[6]

File:Plotosaurus bennisoni profile reconstruction.jpg
Plotosaurus bennisoni
P. tuckeri[6] A junior synonym of P. bennisoni.

Prognathodon[8]

P. cf. waiparaensis

cf. Mosasaurus[8]

cf. M. sp.

Halisaurus[8]

H. sp.

Plesiosaurs

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

Aphrosaurus[9]

A. furlongi[9]

File:Aphrosaurus furlongi profile reconstruction.jpg
Aphrosaurus

Fresnosaurus[10]

F. drescheri[10]

File:Fresnosaurus drescheri profile reconstruction.jpg
Fresnosaurus

Hydrotherosaurus[9]

H. alexandrae[9]

File:Hydrotherosaurus alexandrae profile reconstruction.jpg
Hydrotherosaurus

Morenosaurus[10]

M. stocki[10]

File:Morenosaurus stocki profile reconstruction.jpg
Morenosaurus

Turtles

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

Adocus

J. Howard Hutchison later referred the specimen originally identified as Adocus by to the genus Basilemys.[11]

Basilemys

Osteopygis[10]

Foraminifera

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Forams reported from the Moreno Formation
Genus Species Location Member Material Notes Images
Anomalina[2] A. pseudopopillosa Tierra Loma Shale Member
Bulimina B. obtusa Tierra Loma Shale Member 99% of the foraminifera sampled at the Tierra Loma Shale Member belonged to B. obtusa.[12][13]
Dentalina[2] D. legumen Tierra Loma Shale Member
Frondicularia[2] F. undulosa Tierra Loma Shale Member
Gyroidina[14] G. depressa Tierra Loma Shale Member
Nodosaria[2] N. monile Tierra Loma Shale Member
N. pomuligera
N. spinifera
N. sp
Nodosarella[13] N. sp Tierra Loma Shale Member

See also

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Footnotes

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  1. ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  2. ^ a b c d e Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  3. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ a b c d e f Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  6. ^ a b c d e f g "4: The Marine Reptiles; Mosasaurs," in Hilton (2003) p. 107-110
  7. ^ a b "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 273
  8. ^ a b c Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  9. ^ a b c d "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 276
  10. ^ a b c d e "Appendix: Summary of the Mesozoic Reptilian Fossils of California," in Hilton (2003) p. 277
  11. ^ "4: The Marine Reptiles; Turtles," in Hilton (2003) p. 114
  12. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  13. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  14. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).

References

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  • Hilton, Richard P. 2003. Dinosaurs and Other Mesozoic Reptiles of California. Berkeley: University of California Press. 318 pp.
  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value)..
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