Bibliography Record

x
 
Leidy, Joseph (detail)
   
1856a
Notices of remains of extinct Mammalia, discovered by Dr. F. V. Hayden, in Nebraska Territory.
Proc. Acad. Nat. Sci. Philadelphia 8: 88-90. Read Apr. 8, 1856.
–Describes Ischyrotherium antiquus (sic), n.gen.n.sp., a supposed sir. based on vertebrae and rib fragments from the Nebraska Territory (89). Later, Leidy (1869) decided these remains were reptilian. The holotype is USNM 6643, and is evidently referable to Plesiosauria.

Related Index Records (4)

Ischyrotherium Leidy, 1856
(Reptilia)
  x * 1856a Leidy, J. (n.gen.; Nebraska; 89.)

Ischyrotherium antiquum Leidy, 1856
(Reptilia)
  x * 1856a Leidy, J. ("Ischyrotherium antiquus", n.gen.n.sp.; Nebraska; 89.)

Manatus BrĂ¼nnich, 1771
(= Trichechus)
  x 1856a Leidy, J. (comp. w/ Ischyrotherium; m89.)

North America
(SEE ALSO under countries and states)
  x 1856a Leidy, J. (Ischyrotherium, supposed sir. from Nebraska; 89.)


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