Chiromyoides caesor (Plesiadapidae)



Chiromyoides caesor ist eine Primatenart innerhalb der Familie Plesiadapidae, die ab dem Paläozän lebte, das vor rund 56,0 Millionen Jahren begann und bis vor vor 33,9 Millionen Jahren andauerte.

Fundorte

Systematik

Daten zu den einzelnen Funden von Chiromyoides caesor
Sammlung Kommentar zum Fundort Epoche, Alter Kommentar zur Sammlung
Mason Pocket "on the Spring Creek drainage, seven miles southeast of Ignacio, near to the Mason schoolhouse... only a meter square" (Matthew 1917) (coordinate based on Ignacio) -
zwischen 56.8 und 61.7 Millionen Jahren
Tiffany (in part)
Lithographie Museum Kommentar z. Taxonomie
"dark gray shale very fine in texture... full of bones and fragments" (Matthew 1917) AMNH fauna known only from 1916 Granger collection
sec 20 T 33 N R 6 W
"Most other localities in the vicinity of Tiffany are stratigraphically higher than Mason Pocket": Butler et al. 1981
the "Bayfield" or "Tiffany" fauna includes many localities other than Mason Pocket such as Carracas Station and Crowbar Creek (see); additional records based on Simpson and other sources include the following: Chriacus sp., named Chriacus metocometi by Van Valen 1978 ? Dissacus sp. Phenacodus grangeri type Phenacodus matthewi type (includes type of "P. gidleyi"; see Thewissen 1990) additional Phenacodus sp. Phenacodus magnus Thewissen 1990: collected after Simpson 1935 Periptychus "superstes" type Aletodon ("Platymastus") mellon of Van Valen 1978 from 50 m above quarry: Gingerich 1983c Oxyaena sp. Gingerich 1980a from "near Tiffany"; probably the same as O. sp. from "just north of Mason Pocket" of Van Valen 1966 "Ignatiolambda barnesi" type Simons 1960: "presumed basal part of Tiffany formation, east of the Florida River and west of the Ignacio, north of the Mesa Mountains, SW 1/4, Sec. 29, R 8 W, T 34 N, La Plata County"
U.a. am Fundort ausgegraben: Zanycteris paleocenus
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation
Rock Springs Uplift (UW V-77006) east flank Rock Springs Uplift -
zwischen 56.8 und 61.7 Millionen Jahren
Fort Union
Museum
UW
U.a. am Fundort ausgegraben: Plesiadapis churchilli
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation
Rock Springs Uplift (UW V-77008) east flank Rock Springs Uplift -
zwischen 56.8 und 61.7 Millionen Jahren
Fort Union
Museum
UW
U.a. am Fundort ausgegraben: Plesiadapis churchilli
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Croc Tooth Quarry Bighorn Basin, North Emblem Reservoir Quad, 54N, 95W, Sect. 5 Thanetian
zwischen 55.8 und 58.7 Millionen Jahren
Fort Union Crocodile Tooth Quarry; Witter Quarry; FG-28
Museum Kommentar z. Taxonomie
UMMP said by Archibald et al. 1987 to be Ti4 but not in a measured sectionnot the same as the Witter locality in the Sentinel Butte Fm. of North Dakota (see)same level as Divide Quarry and "clearly overlying" Cedar Point and Jepsen Quarries: Gingerich 1976sec 5 T54N R95W
U.a. am Fundort ausgegraben: Plesiadapis churchilli
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Hell's Half Acre (Lower) 6 miles SSE of De Beque on the De Beque-Mesa road, W 1/2 sec. 14, E 1/2 sec. 15, and NW 1/4 sec. 23, T.9S., R.97 W., Mesa Country"; Roan Cliffs Region; coordinate based on sec 14 Thanetian
zwischen 55.8 und 56.8 Millionen Jahren
DeBeque UCM 78009; Kladder M
Kommentar z. Stratigraphie
"lower part of Atwell Gulch Member"; said to be Clarkforkian
U.a. am Fundort ausgegraben: Plesiadapis dubius
Sammlung Epoche, Alter
SC-243 -
zwischen 56.8 und 61.7 Millionen Jahren
Museum Kommentar z. Taxonomie
UMMP meter level based on Butler et al. 1981; said to be Ti4
U.a. am Fundort ausgegraben: Plesiadapis churchilli
Sammlung Epoche, Alter Geologie, Formation
UMMP MP-115 -
zwischen 56.8 und 61.7 Millionen Jahren
Fort Union
Museum
UMMP
U.a. am Fundort ausgegraben: Plesiadapis simonsi
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation
SC-273 "Sand Coulee area" (coordinate based on Little Sand Coulee) -
zwischen 56.8 und 61.7 Millionen Jahren
Fort Union
Kommentar z. Stratigraphie Museum
"late Tiffanian" UMMP
U.a. am Fundort ausgegraben: Plesiadapis churchilli

Literatur

P. D. Gingerich 1973, First record of the Palaeocene primate Chiromyoides from North America. Nature. 244, p. 517 - 518
G. F. Winterfeld 1982, Mammalian paleontology of the Fort Union Formation (Paleocene), eastern Rock Springs Uplift, Sweetwater County, Wyoming. Contributions to Geology, University of Wyoming. 21:1, p. 73 - 112
R. Secord 2008, The Tiffanian Land-Mammal Age (middle and late Paleocene) in the northern Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology. 35:1, p. 1 - 192
B. J. Burger, J. G. Honey 2008, Plesiadapidae (Mammalia, Primates) from the Late Paleocene Fort Union Formation of the Piceance Creek Basin, Colorado. Journal of Vertebrate Paleontology. 28:3, p. 816 - 825, DOI: 10.1671/0272-4634(2008)28[816:PMPFTL]2.0.CO;2
R. Secord, J. G. Honey 2008, The Tiffanian Land-Mammal Age (middle and late Paleocene) in the northern Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology. 35:3, p. 1 - 192, DOI: 10.1671/0272-4634(2008)28[816:PMPFTL]2.0.CO;2