Microsyops annectens (Microsyopidae)



Microsyops annectens ist eine Primatenart innerhalb der Familie Microsyopidae, die ab dem Paläogen (Eozän) im Ypresium lebte, das vor rund 56 Millionen Jahren begann und bis vor 47,8 Millionen Jahren andauerte.

Systematik

Daten zu den einzelnen Funden von Microsyops annectens
Sammlung Kommentar zum Fundort Epoche, Alter
Blue Point Marker (UW V-78001) Carter Mountain Ypresian
zwischen 46.2 und 50.3 Millionen Jahren
Museum Kommentar z. Taxonomie
UW overlies the "turtle-lake beds"
U.a. am Fundort ausgegraben: Omomys carteri
Sammlung Kommentar zum Fundort Epoche, Alter
Blue Point Marker (UW V-78002) Carter Mountain Ypresian
zwischen 46.2 und 50.3 Millionen Jahren
Museum Kommentar z. Taxonomie
UW overlies the "turtle-lake beds"
Sammlung Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Hyopsodus Hill Ypresian
zwischen 46.2 und 50.3 Millionen Jahren
Bridger UCMP V5626; Tabernacle Butte Locality 5
Kommentar z. Stratigraphie Museum
Late Bridgerian NALMA (Br3), 46.92 ± 0.17 Ma AMNH
U.a. am Fundort ausgegraben: Uintasorex parvulus
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation
Van Houten's Locality B1 South Fork of the Shoshone River, west of Cody Ypresian
zwischen 46.2 und 50.3 Millionen Jahren
Wapiti
Sammlung Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Junction (TMM 41443) Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Devil's Graveyard DUPLICATE REF 3667 or 3852
Museum Kommentar z. Taxonomie
TMM this is Junction sensu stricto
underlies Whistler Squat
said by Prothero 1996b to be Bridgerian; Figure 2 of Wilson indicates that it is roughly at the level of the Alamo Creek Basalt because both are above the "basal Tertiary conglomerate" and below the "variegated bentonites"; the ACB is dated at 46 Ma (KA), and a tuff just below it at 46.0 +/- 1.0 Ma (KA) and 46.29 +/- 0.05 Ma (AA); latter date seems best
the following taxa are from Junction, exact locality unknown: Scenopagus priscus Centetodon pulcher ? Entomolestes sp. Nyctitherium velox cf. Pantolestes sp.
U.a. am Fundort ausgegraben: Omomys carteri
Sammlung Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Junction (TMM 41444) Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Devil's Graveyard DUPLICATE REF 3667 or 3852
Museum Kommentar z. Taxonomie
TMM this is "0.6 miles east of Junction"
underlies Whistler Squat
U.a. am Fundort ausgegraben: Omomys carteri
Sammlung Epoche, Alter Geologie, Formation
Sand Wash Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Washakie
Kommentar z. Stratigraphie Kommentar z. Taxonomie
said to be early Uintan replaces assorted Sand Wash lists of West and Dawson 1975
West and Dawson report specimen counts, but these are not valid estimates in light of the later CM collections
apparently from a restricted stratigraphic interval that is correlable with the lower Adobe Town Mbr. in the Washakie Basin
"Hemiacodon sp." is said to be "Washakius sp." of West and Dawson, which is from Lang Springs

"Viverravus sp." is probably the specimen from Lang Springs described by West and Dawson 1975

"Tillomys cf. senex": probably the specimen from Lang Springs described by West and Dawson 1975

true identity of numerous remaining brontotheres of both West and Dawson 1975 and Stucky et al. is completely unclear; "Tanyorhinus" species could be Dolichorhinus or something else, and "Manteoceras" species could be Metatelmatherium, Dolichorhinus, or Telmatherium; Mader 1989 added Metatelmatherium ultimum to the list, but this is omitted by Stucky et al.; similarly, "Sphenocoelus sp." is listed by Prothero and Schoch 1989 but ignored by both Mader and Stucky et al.
U.a. am Fundort ausgegraben: Notharctus robustior
Sammlung Epoche, Alter Geologie, Formation
Upper Wiggins Formation (UW V-79004) Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Wiggins
Museum
UW
U.a. am Fundort ausgegraben: Macrotarsius siegerti
Sammlung Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Washakie A Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Washakie LaClede Meadows
Kommentar z. Taxonomie
this unit spans beds 569 to 620 of Roehler; most of this interval is reversed, but there are two normal excursions of unclear significance; it is best treated as a reversed chron immediately preceding the normal chron seen in the overlying unit
Turnbull 1972 distinguished "upper" and "lower" Washakie A faunas but the upper fauna is duplicated almost entirely by the lower fauna and the two are merged by McCarroll et al.; list is still incomplete and certain older i.d.s therefore may be valid
U.a. am Fundort ausgegraben: Notharctus robustior
Sammlung Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Whistler Squat (TMM 41372) Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Devil's Graveyard Whistler Squat Quarry #2
DUPLICATE REF 3667 or 3852
Museum Kommentar z. Taxonomie
TMM Wax Camp is shown to overlie Whistler Squat s.s. in fig. 1 of Gustafson 1979, but I suspect this is a diagrammatic conceit
"lower 15.2 m" of Fm.: Gustafson 1986b
KA dates of 49.7 +/- 1.2 Ma and 46.9 +/- 1.0 Ma on volcanic tuff directly underlying the site; KA date of 43.9 +/- 0.9 on tuff overlying site; weighted average is 46.1 Ma, but Walton 1992 claims that the 43.9 date is "The most reliable... in the DGF" and the other two dates are incompatible with the AA date of 46.29 Ma for the underlying Alamo Creek Basalt (see Prothero 1996b)
overlies Junction and underlies Purple Bench/Serendipity/Titanothere Hill
the following taxa are from Whistler Squat but exact locality is unknown: Omomys carteri - NOT described by West 1982 Equidae indet. ("Orohippus or Epihippus") "Dichobunidae indet." ? Malaquiferus sp.
U.a. am Fundort ausgegraben: Ourayia uintensis
Sammlung Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Whistler Squat (TMM 41466) Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Devil's Graveyard DUPLICATE REF 3667 or 3852
Museum Kommentar z. Taxonomie
TMM "300 yds. east of Whistler Squat"
30.4 meters above base of Fm.: Gustafson 1986b
U.a. am Fundort ausgegraben: Omomys carteri
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Poway Pipeline Two near Poway Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Friars UCMP V-72158
Museum Kommentar z. Taxonomie
UCMP assigned to the Mission Valley Fm. by Golz and Lillegraven, "Cypress Canyon Unit" by Walsh 1991, and upper Friars by Walsh 1996b
U.a. am Fundort ausgegraben: Washakius woodringi
Sammlung Epoche, Alter Geologie, Formation Kommentar zur Sammlung
Carmel Mountain Ranch Unit 20-B Site 3 (SDSNH 3483) Lutetian
zwischen 40.4 und 46.2 Millionen Jahren
Friars Poway, in part
Kommentar z. Taxonomie
originally misassigned to the "Cypress Canyon Unit"; see Walsh 1996b
U.a. am Fundort ausgegraben: Omomys carteri

Literatur

R. M. West, E. G. Atkins 1970, Additional Middle Eocene (Bridgerian) mammals from Tabernacle Butte, Sublette County, Wyoming. American Museum Novitates. 2404, p. 1 - 26
D. J. Golz, J. A. Lillegraven 1977, Summary of known occurrences of terrestrial vertebrates from Eocene strata of southern California. Contributions to Geology, University of Wyoming. 15:1, p. 43 - 65
R. M. West, J. A. Lillegraven 1982, Fossil Mammals from the Lower Buck Hill Group, Eocene of Trans-Pecos Texas: Marsupicarnivora, Primates, Taeniodonta, Condylarthra, Bunodont Artiodactyla, and Dinocerata. Pearce-Sellards Series. 35:1, p. 1 - 20
J. G. Eaton, J. A. Lillegraven 1982, Paleontology and correlation of Eocene volcanic rocks in the Carter Mountain area, Park County, southeastern Absaroka Range, Wyoming. Contributions to Geology, University of Wyoming. 21:2, p. 153 - 194
R. M. West, J. A. Lillegraven 1982, Fossil Mammals from the Lower Buck Hill Group, Eocene of Trans-Pecos Texas: Marsupicarnivora, Primates, Taeniodonta, Condylarthra, Bunodont Artiodactyla, and Dinocerata. Pearce-Sellards Series. 35:2, p. 1 - 20
J. G. Eaton, J. A. Lillegraven 1985, Paleontology and Correlation of the Eocene Tepee Trail and Wiggins Formations in the North Fork of Owl Creek Area, Southeastern Absaroka Range, Hot Springs County, Wyoming. Journal of Vertebrate Paleontology. 5:4, p. - 194
S. L. Walsh, J. A. Lillegraven 1991, Eocene mammal faunas of San Diego County. Pacific Section SEPM. 68:4, p. 161 - 178
G. F. Gunnell, W. S. Bartels, P. D. Ginberich, V. Torres 1992, Wapiti Valley Faunas: Early and Middle Eocene Fossil Vertebrates from the North Fork of the Shoshone River, Park County, Wyoming. Contributions from the Museum of Paleontology, University of Michigan. 28:11, p. 247 - 287
R. K. Stucky, D. R. Prothero, W. G. Lohr, J. R. Snyder 1996, Magnetic stratigraphy, sedimentology, and mammalian faunas of the early Uintan Washakie Formation, Sand Wash Basin, northwestern Colorado. The Terrestrial Eocene-Oligocene Transition in North America. :11, p. 40 - 51
S. M. McCarroll, J. J. Flynn, W. D. Turnbull 1996, Biostratigraphy and magnetostratigraphy of the Bridgerian-Uintan Washakie Formation, Washakie Basin, Wyoming. The Terrestrial Eocene-Oligocene Transition in North America. :11, p. 25 - 39, DOI: 10.1017/CBO9780511665431.003