Adapis collinsonae (Adapidae)



Adapis collinsonae ist eine Primatenart innerhalb der Familie Adapidae, die ab dem Paläogen (Eozän) im Bartonium lebte, das vor rund 41,3 Millionen Jahren begann und bis vor 38 Millionen Jahren andauerte.

Systematik

Daten zu den einzelnen Funden von Adapis collinsonae
Sammlung Kommentar zum Fundort Epoche, Alter Geologie, Formation
Creechbarrow Hill on Creechbarrow Hill, Nat. Grid System 922 824 Bartonian
zwischen 38 und 41.3 Millionen Jahren
Creechbarrow Limestone
Kommentar z. Stratigraphie Lithographie
This is the only known outcrop of the Creechbarrow Limestone, ranges in thickness from 0-16 m and lies above unnamed sands and clays "Chreechbarrow Hill is dated to mammal Paleogene Reference Level MP16 and the lautricense-siderolithicum Zone, by comparison with continental European faunas" (Benton et al., 2005) in general it's a buff marl containing variable sized limestone clasts, the limestone (sensu stricto) is a cream coloured, mottled with buff, soft to hard, massive micritic limestone with drusy sparite, scattered angular to subangular quartz grains up to 1mm in diameter, oncoliths often containing [molluscs and vertebrate remains]. Hard limestone in recent excavations was mainly encountered in the basal rubbly soid layer (A). buff marl: a buff calcareous silty clay with abundant angular to subangular quartz grains up to 1 m m in diameter and containing limestone clasts. It also contains oncoliths often containing [mollusc] and vertebrate remains and derived silicified Cretacous bryozoans.
U.a. am Fundort ausgegraben: Vectipithex quaylei

Literatur

J. J. Hooker 1986, Mammals from the Bartonian (middle/late Eocene) of the Hampshire Basin, southern England. Bulletin of the British Museum (Natural History). 39:4, p. 191 - 478