Topic
Bisonalveus
About: Bisonalveus is a research topic. Over the lifetime, 3 publications have been published within this topic receiving 46 citations.
Papers
1 Jan 1983
TL;DR: Three new genera and species of Adapisoricidae are described from middle Tiffanian Cedar Point Quarry: Litocherus zygeus, Cedrocherus ryani, and DiacocherUS rneizon, and two new species of Hyopsodontidae are recorded from middle and late Tiffanian faunas.
Abstract: -Three new genera and species of Adapisoricidae are described from middle Tiffanian Cedar Point Quarry: Litocherus zygeus, Cedrocherus ryani, and Diacocherus rneizon. "Litolestes" notissirnus Simpson and "L." lacunatus Gazin are here referred to Litocherus. The type species of Diacocherus, new genus, is "Diacodon" rninutus Jepsen. All of these species are grouped with Leipsanolestes seigfriedti Simpson, Litolestes ignotus Jepsen, and Mckennatherium ladae (Simpson) in a new adapisoricid subfamily Litocherinae. Litocherines resemble hyopsodontid condylarths, but differ in retaining stylar crests on upper molars and small cuspate or crestlike paraconids on lower molars. Most genera exhibit molar size reduction posteriorly. One new species of Pentacodontidae, Bisonalveus holtzmani, is described from Cedar Point Quarry. Two new genera and two new species of Hyopsodontidae are recorded from middle and late Tiffanian faunas. "Haplaletes" diminutivus Dorr is placed in a new genus Dorraletes. Aletodon quadravus, new species, is described from Cedar Point. The type and only specimen of "Platymastus" mellon Van Valen is an upper molar of Aletodon possibly conspecific with A. conardae Winterfeld. Finally, Utemylus latomius, new genus and species, is described from Mason Pocket in southern Colorado. Hyopsodontidae, in spite of these additions, are rare elements in late Paleocene mammalian faunas.
37 citations
TL;DR: The best known and most diverse mammalian faunas from the Fort Union Group of North Dakota are the Brisbane and Judson local fauna, both historically considered as mid Tiffanian (Ti3, mid-late Paleocene).
Abstract: The best-known and most diverse mammalian faunas from the Fort Union Group of North Dakota are the Brisbane and Judson local faunas, both historically considered as mid Tiffanian (Ti3, mid-late Paleocene). Our review of the stratigraphic context of the localities provides no lithologic reasons for continued use of the terms Slope and Bullion Creek Formations, and we propose abandoning these terms in favor of the Tongue River Formation. Revised faunal lists were completed for this paper using taxonomic revisions published after the original 1978 study. The chronostratigraphic ranges of Brisbane and Judson taxa were then used to determine the biochronology of the faunas. The Brisbane local fauna is corroborated as being Ti3 based upon a combination of first appearance (Leptacodon tener, Thryptacodon australis, Dorraletes diminutivus) and last appearance (Pararyctes pattersoni, Ectocion collinus) data, together with taxa reported only from Ti3 faunas (Bisonalveus holtzmani, Plesiadapis rex, Aletodon...
9 citations
1 Jan 2008
4 citations
Performance Metrics
| Year | Papers |
|---|---|
| 2008 | 1 |
| 2004 | 1 |
| 1983 | 1 |