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| | Volume 33 No. 1 |
 | | garfieldensis, and Catopsalis joyneri; and (2) most northerly records of Ptilodus sp. |
 | | Within the Hanna Basin, no genera of multituberculates or peradectians from the Ferris Formation have been documented in strata both of Lancian and Puercan age; several examples of pseudoextinction, however, may exist through taxonomic artifact. |
 | | In general, the Lancian multituberculate and peradectian faunas of the type Ferris Formation are similar to, although not nearly so diverse as, those from the type Lance Formation; the lower diversity almost certainly is an artifact of paucity of specimens available for study. |
| pubs.gg.uwyo.edu /CTGs/RMG_33-1.htm (1744 words) |
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