†Nannodectes intermedius (Plesiadapidae)
Nannodectes intermedius ist eine Primatenart innerhalb der Familie Plesiadapidae, die ab dem Paläogen (Paläozän) im Danium lebte, das vor rund 66 Millionen Jahren begann und bis vor 61,6 Millionen Jahren andauerte.
Daten zu den einzelnen Funden von Nannodectes intermedius
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | Kommentar zur Sammlung |
|---|---|---|---|---|
| Cochrane 2 | 0.5 km E of Cochrane, Bow River in SE 1/4 sec 1 T26 R4 W5 "fossils occur intermittently along about 30 m of strike" (Fox 2011) | - zwischen 56.8 und 61.7 Millionen Jahren |
Paskapoo | Cochrane 11; Cochrane II |
| Kommentar z. Stratigraphie | Lithographie | Kommentar z. Taxonomie | ||
| reassigned from the Porcupine Hills Formation to the Paskapoo Formation by Fox (2011) fossils are from "within an interval ranging from a few centimeters to a meter or so in thickness" (Fox 2011) | "poorly bedded grayishgreen siltstones, rich in broken bivalve and gastropod shells that are accompanied by bits of coalified wood and occasional wellrounded pebbles" (Fox 2011) | same as the list given by Fox 1990a | ||
| U.a. am Fundort ausgegraben: | Paromomys depressidens | |||
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | |
|---|---|---|---|---|
| Little Muddy Creek (Fossil Basin) | "Fossil Basin... between Bell and Little Muddy Creeks, near the southwestern corner of section 31, T. 19 N., R. 117 W... the exposure is of rather limited extent" | - zwischen 56.8 und 61.7 Millionen Jahren |
Evanston | |
| Lithographie | Museum | |||
| "variegated strat" | USNM | |||
| U.a. am Fundort ausgegraben: | Torrejonia sirokyi | |||
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | |
|---|---|---|---|---|
| Bangtail | Gallatin N. F., Crazy Mountain Basin | - zwischen 56.8 und 61.7 Millionen Jahren |
Fort Union | |
| Kommentar z. Taxonomie | ||||
| far removed from main CMB section of Simpson 1937a | ||||
| U.a. am Fundort ausgegraben: | Plesiolestes problematicus | |||
| Sammlung | Epoche, Alter | Geologie, Formation | ||
|---|---|---|---|---|
| Cedar Mountain (UW V-82015) | - zwischen 56.8 und 61.7 Millionen Jahren |
Fort Union | ||
| Kommentar z. Stratigraphie | Museum | |||
| Earlier literature referred to this as the 'Polecat Bench Formation' | UW | |||
| U.a. am Fundort ausgegraben: | Plesiadapis praecursor | |||
| Sammlung | Epoche, Alter | Geologie, Formation | ||
|---|---|---|---|---|
| Cedar Mountain (UW V-82021) | - zwischen 56.8 und 61.7 Millionen Jahren |
Fort Union | ||
| Museum | ||||
| UW | ||||
| U.a. am Fundort ausgegraben: | Plesiadapis praecursor | |||
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Kommentar zur Sammlung | |
|---|---|---|---|---|
| Douglass Quarry | Crazy Mountain Basin | - zwischen 56.8 und 61.7 Millionen Jahren |
Simpson's Locality 63 | |
| Kommentar z. Stratigraphie | Kommentar z. Taxonomie | |||
| in a stratigraphically isolated reversed polarity zone interpreted as chron C26r: Butler et al. 1987 | Krause and Maas 1990 give exact NISP counts that sum to 1205; however, "over 1800 identifiable specimens" are present according to Hartman and Krause 1993 | |||
| U.a. am Fundort ausgegraben: | Plesiadapis praecursor | |||
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | Kommentar zur Sammlung |
|---|---|---|---|---|
| Newell's Nook | Powder River Basin | - zwischen 56.8 und 61.7 Millionen Jahren |
Fort Union | USGS D-2003 |
| Museum | ||||
| USGS | ||||
| U.a. am Fundort ausgegraben: | Picrodus silberlingi | |||
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | Kommentar zur Sammlung |
|---|---|---|---|---|
| Shotgun | NE 1/4 SE 1/4 sec 31 T6N R3W, northern Wind River Basin: MacIntyre 1966 | - zwischen 56.8 und 61.7 Millionen Jahren |
Fort Union | UW V-60014, V-60016; Keefer Hill; Twin Buttes; Jenkins Mountain; New Anthill |
| Kommentar z. Taxonomie | ||||
| this is NOT West Side of Shotgun Butte (see), which is the uppermost of three fossiliferous horizons; the fauna of the lowest horizon is not discussed by Gunnell apart from the plesiadapiforms, Gunnell's list is mostly repeated from ancient sources without modification Gunnell lists Eudaemonema cuspidata from "Shotgun fauna, Keefer Hill" but omits this from his faunal list | ||||
| U.a. am Fundort ausgegraben: | Palenochtha minor | |||
| Sammlung | Epoche, Alter | Geologie, Formation | ||
|---|---|---|---|---|
| UCM locality 2011056 | - zwischen 56.8 und 61.7 Millionen Jahren |
Fort Union | ||
| Kommentar z. Stratigraphie | Lithographie | |||
| approximately 85 meters stratigraphically above base of Overland Member | sandstone consists of coarse-grained sandstone with pieces of quartz, feldspar granules, and chert pebbles | |||
| U.a. am Fundort ausgegraben: | Torrejonia sirokyi | |||
| Sammlung | Epoche, Alter | Geologie, Formation |
|---|---|---|
| UCM locality 2011057 | - zwischen 56.8 und 61.7 Millionen Jahren |
Fort Union |
| Kommentar z. Stratigraphie | Lithographie | |
| approximately 85 meters stratigraphically above base of Overland Member | sandstone consists of coarse-grained sandstone with pieces of quartz, feldspar granules, and chert pebbles |
| Sammlung | Epoche, Alter | Geologie, Formation | ||
|---|---|---|---|---|
| UCM locality 2011058 | - zwischen 56.8 und 61.7 Millionen Jahren |
Fort Union | ||
| Kommentar z. Stratigraphie | Lithographie | |||
| approximately 85 meters stratigraphically above base of Overland Member | sandstone consists of coarse-grained sandstone with pieces of quartz, feldspar granules, and chert pebbles | |||
| U.a. am Fundort ausgegraben: | Torrejonia sirokyi | |||
Literatur
D. W. Krause, P. D. Gingerich 1983, Mammalian Fauna from Douglass Quarry, Earliest Tiffanian (Late Paleocene) of the Eastern Crazy Mountain Basin, Montana. Contributions from the Museum of Paleontology, University of Michigan. 26:9, p. 157 - 196P. D. Gingerich, P. Houde, D. W. Krause 1983, A New Earliest Tiffanian (Late Paleocene) Mammalian Fauna from Bangtail Plateau, Western Crazy Mountain Basin, Montana. Journal of Paleontology. 57:5, p. - 196
J. E. Hartman, P. Houde, D. W. Krause 1986, Paleontology and biostratigraphy of lower part of Polecat Bench Formation, southern Bighorn Basin, Wyoming. Contributions to Geology, University of Wyoming. 24:1, p. 11 - 63
L. N. Robinson, J. G. Honey, D. W. Krause 1987, Geologic setting of a new Paleocene mammal locality in the northern Powder River basin, Montana. Palaios. 2:1, p. 87 - 90
R. C. Fox, J. G. Honey, D. W. Krause 1988, Late Cretaceous and Paleocene mammal localities of southern Alberta. Occasional Paper of the Tyrrell Museum of Palaeontology. 6:1, p. 1 - 38
G. F. Gunnell, J. G. Honey, D. W. Krause 1989, Evolutionary History of Microsyopoidea (Mammalia, ?Primates) and the Relationship Between Plesiadapiformes and Primates. University of Michigan Papers on Paleontology. 27:1, p. 1 - 157
E. K. Halverson, J. J. Eberle, D. W. Krause 2018, A new middle Paleocene (early Tiffanian) mammalian fauna from the Overland Member of the Fort Union Formation, Great Divide Basin, Wyoming, U.S.A. . Rocky Mountain Geology. 53:2, p. 75 - 111, DOI: 10.24872/rmgjournal.53.2.75
