†Microsyops (Microsyopidae)
Microsyops ist eine Primatengattung innerhalb der Familie Microsyopidae, deren 10 Mitglieder ab dem frühen Paläogen (Eozän) im Ypresium lebten, das vor ungefähr 56 Millionen Jahren begann und bis vor 47,8 Millionen Jahren andauerte. Viele Überreste wurden in Vereinigte Staaten von Amerika (USA) gefunden.
Microsyops aus der erfolgreichen Familie Microsyopidae (Unterfamilie Mycrosyopinae) lebte vom späten Paläozän bis ins mittlere Eozän in Nordamerika
Microsyops angustidens
Das Typusexemplar mit der Bezeichnung A.M.N.H. No. 15073 ist ein fragmentarischer linker Unterkiefer mit Prämolaren und Molaren, sowie ein Fragment eines rechten Unterkiefers, ebenfalls mit Prämolaren und Molaren. Der Fund stammt aus der Willwood Formation Wyomings und ist zwischen 55,4 und 50,3 Millionen Jahre alt. Er wird am American Museum of Natural History aufbewahrt. Microsyops angustidens war ein baumlebender Allesfresser. Aufgrund von Messungen seiner Backenzähne geht man von einem Körpergewicht von 886,1 Gramm aus.
Fundorte
Die Funddaten, die Systematik sowie die unten folgende Literatursammlung stammen aus der Paleobiology Database, Lizenz
Microsyops annectens
Das Typusexemplar mit der Bezeichnung Y.P.M. No. 11791 ist ein Unterkieferfragment mit einem Molaren (M3). Microsyops annectens war ein baumlebender Allesfresser. Aus Messungen seiner Backenzähne schließt man auf ein Körpergewicht von 2,49 Kilogramm.
| Sammlung | Kommentar zum Fundort | Epoche, Alter |
|---|---|---|
| Blue Point Marker (UW V-78001) | ||
| Museum | Kommentar z. Taxonomie | |
| UW | overlies the "turtle-lake beds" |
Steckbrief
| Die Welt zur Zeit von Microsyops | |
|---|---|
Landmassenverteilung im Eozän Bild: Ron Blakely
|
|
| Ernährung/Lebensraum | |
| Basierend auf den Fossilien glaubt man, dass die Primatengattung Microsyops Allesfresser (omnivor) waren. Ihr Leben verbrachen die Tiere vermutlich in den Bäumen (arboreal), wo sie auch ihre Nahrung fanden. | |
| * Daten nach Kihm, 1984 | |
| Geographie, Epoche | |
| Lebte im: |
System: PaläogenSerie: EozänStufe: Ypresium |
| Verbreitung: | NordamerikaVereinigte Staaten von Amerika (USA) |
| Physiologie | |
|---|---|
| Gewicht: | ? |
| Schwestertaxa | |
Microsyops elegans
Das Typusexemplar trägt die Bezeichnung Y.P.M. No. 11794 und ist ein Fragment des linken Unterkieferastes (Ramus mandibulae) mit Prämolaren und Molaren (P4-M2). Der Fund stammt aus der Bridger Formation von Wyoming und ist zwischen 50,3 und 46,2 Millionen Jahre alt.
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | Kommentar zur Sammlung |
|---|---|---|---|---|
| Exposure Near Top of Buzzard Pass | DeBeque | FMNH 485-41 | ||
| Kommentar z. Stratigraphie | Museum | |||
| said to be late Wasatchian | FMNH |
Microsyops knightensis
Das kleine Säugetier war ein baumlebender Allesfresser. Die Größe und die Morphologie seiner Backenzähne lassen auf ein Körpergewicht von 1,18 Kilogramm schließen.
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation | Kommentar zur Sammlung |
|---|---|---|---|---|
| Huerfano VI | Huerfano | Garcia Canyon; Apodaca Gulch; UCM locality 77040 | ||
| Kommentar z. Stratigraphie | Kommentar z. Taxonomie | |||
| "Huerfano facies" | Lostcabinian\r\n\r\n"Most of Wortman's collection of 1897 came from here and probably from unit 13 of measured section; unit 13 has consistently produced good specimens and matches the description of the best bone-bearing layer given by Wortman to Osborn. Granger and Olsen also made good collections here." |
Microsyops kratos
Das Typusexemplar hat die Bezeichnung CIT Vert. Pale. Coll. No. 2232. Dabei handelt es sich um einen linken Unterkieferast (Ramus mandibulae) mit Prämolaren und Molaren (P4-M3). Wurzelfragmente sind von den vorderen Prämolaren und dem Eckzahn erhalten.
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation |
|---|---|---|---|
| San Diego Mission (CIT 249) | Friars | ||
| Kommentar z. Stratigraphie | Museum | Kommentar z. Taxonomie | |
| undifferentiated | CIT | stratigraphic position based on that of new San Diego Mission localities of Walsh 1996b |
Microsyops kratos war ein baumlebender Allesfresser (Omnivore). Basierend auf Messungen seiner Backenzähne gehen Forscher von einem Körpergewicht von 2,92 Kilogramm aus.
Microsyops latidens
Das Typusexemplar mit der Bezeichnung AMNH No4195 ist ein fragmentarisch erhaltener Unterkiefer mit einem linken Prämolaren (P4) und zwei Molaren (M1-2).
| Sammlung | Kommentar zum Fundort | Epoche, Alter | Geologie, Formation |
|---|---|---|---|
| Indian Valley | DeBeque | ||
| Kommentar z. Stratigraphie | Kommentar z. Taxonomie | ||
| said to be middle Wasatchian | strat level is very approximate |
Microsyops scottianus
Das Typusexemplar hat die Bezeichnung A.M.N.H. no. 4748. Dabei handelt es sich um einen fragmentarischen Unterkiefer mit Backenzähnen (P4-M2).
| Sammlung | Epoche, Alter | Geologie, Formation | Kommentar zur Sammlung |
|---|---|---|---|
| Blue Rim | Wasatch | NF-1 | |
| Kommentar z. Stratigraphie | |||
| originally "Western Facies" of the "New Fork Tongue Member" |
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K. T. Smith, P. A. Holroyd, J. Stamatakos, G. F. Gunnell, W. S. Bartels 2003, Rare taxa, biostratigraphy, and the Wasatchian-Bridgerian boundary in North America. Geological Society of America Special Paper. 369:3, p. 501 - 511, DOI: 10.1017/CBO9780511665431.003
B. D. Rankin, P. A. Holroyd, J. Stamatakos, G. F. Gunnell, W. S. Bartels 2014, Aceroryctes dulcis, a new palaeoryctid (Mammalia, Eutheria) from the early Eocene of the Wasatch Formation of southwestern Wyoming, USA. Canadian Journal of Earth Sciences. 51:3, p. 919 - 926, DOI: 10.1139/cjes-2014-0101
G. F. Gunnell, J.-P. Zonneveld, W. S. Bartels 2016, Stratigraphy, mammalian paleontology, paleoecology, and age correlation of the Wasatch Formation, Fossil Butte National Monument, Wyoming\r\n. Journal of Paleontology. 90:5, p. 981 - 1011, DOI: 10.1017/jpa.2016.100
S. G. Strait, P. A. Holroyd, C. A. Denvir, B. D. Rankin 2016, Early Eocene (Wasatchian) rodent assemblages from the Washakie Basin, Wyoming. PaleoBios. 33:5, p. 1 - 28, DOI: 10.1017/jpa.2016.100
