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User:Abyssal/Invertebrates of the Morrison Formation

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Bivalves

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Name Species State Member Abundance Notes

Hadrodon

H. jurassicus

H. lateralis

H. trigonus

Unio

U. baileyi

The species U. stewardi includes the subspecies U. stewardi utahensis.

U. felchi

U. irroides

U. knighti

U. lapilloides

U. macropisthus

U. mammilaris

U. nucalis

U. stewardi

U. toxonotus

U. willistoni

Vetulonaia

V. faberi

V. mayoworthensis

V. whitei


Crustaceans

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Name Species State Member Abundance Notes

Camborygma

C. litonomos

  • Colorado
  • Brushy Basin

Euestheria

E. tendagurensis

  • Colorado
  • Brushy Basin

Lioestheria

L. "sp. A"

  • Colorado
  • Utah
  • Brushy Basin

L. "sp. B"

  • Colorado
  • Utah
  • Brushy Basin

L. tendagurensis

  • Colorado
  • Brushy Basin

Nestoria

N. krasinetzi

  • Colorado
  • Brushy Basin

Gastropods

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"Prosobranchia"

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Name Species State Member Abundance Notes

Amnicola

A. gilloides

A. jurassica

Amplovalvata

A cyclostoma

The species A. scabrida includes the sub-species A. scabrida leei.

A. reesidei

A. scabrida

Lioplacodes

L. jurassicus

Liratina

L. jurassica

Mesoneritina

M. morrisonensis

"Pentagoniostoma"

P. altispiratum

Reesidella

R. gilloides

R. jurassica

Tropidina

T. jurassica

Viviparus

V. morrisonensis

V. reesidei

"Pulmonata"

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Name Species State Member Abundance Notes

Gyraulus

G. veternus

Limnopsis

L. jurassica

Lymnaea

L. ativuncula

L. consortis

L. morrisonensis

Mesauriculstra

M. accelerata

The species M. morrisonensis includes the sub-species M. morrisonensis ovalis.

M. morrisonensis

Mesochilina

M. spiralis

Insects

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Name Species State Member Abundance Notes

Tektonargus

T. kollaspilus

  • Colorado
  • Brushy Basin

Five specimens were reported in the original description of the ichnogenus.

Footnotes

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References

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  • Evanoff, E., Good, S.C., and Hanley, J.H., 1998, An overview of the freshwater mollusks from the Morrison Formation (Upper Jurassic, Western Interior, USA): Modern Geology, v. 22, nos. 1-4, p. 423-450.
  • Hasiotis, S.T., Kirkland, J.I., and Callison, G., 1998, Crayfish fossils and burrows from the Upper Jurassic Morrison Formation of western Colorado: Modern Geology, v. 22, nos. 1-4, p. 481-492.
  • Hasiotis, S.T., Kirkland, J.I., Windscheffer, G.W., and Safris, C. 1998. Fossil caddisfly cases (Insecta: Trichoptera), Upper Jurassic Morrison Formation, Fruita Paleontological Area, Colorado: Modern Geology, v. 22, nos. 1-4, p. 493-502.
  • Lucas, S.G., and Kirkland, J.I., 1998, Preliminary report on conchostraca from the Upper Jurasic Morrison Formation, western United States: in Carpenter, K., Chure, D.J., and Kirkland, J., eds., The Upper Jurassic Morrison Formation: An interdisciplinary study: Modern Geology, v. 22, p. 415-422