Fundstelle Creechbarrow Hill, - Evolution der Primaten

Creechbarrow Hill,

Fundort:	Creechbarrow Hill, , England,
Taxon:	Leptadapis magnus aus der Familie Adapidae
Fossilien und Beschreibung der Fundstelle:
Macrofossils,mesofossils, 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.
Geschätztes Alter der Fundstelle:	zwischen 38, und 41,3 Millionen Jahre aus der Creechbarrow Limestone Formation in
Geologie, Sratigraphie	Bartonian / Bartonian / Creechbarrow Limestone
Koordinaten:	50° 39 ' 3 '' N, 2° 7 ' 12 '' W
Die Daten sowie die folgende Systematik stammen aus der Paleobiology Database, Lizenz

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
Systematik Adapiformes †Adapidae †Adapina †Cryptadapis †Sivaladapis †Sivaladapis nagrii †Sivaladapis palaeindicus †Adapinae †Leptadapis †Leptadapis magnus †Leptadapis ruetimeyeri †Leptadapis capellae †Leptadapis filholi †Leptadapis leenhardti †Leptadapis (Paradapis) †Magnadapis †Magnadapis intermedius †Magnadapis laurenceae †Magnadapis quercyi †Magnadapis fredi †Adapoides †Adapoides troglodytes †Microadapis †Microadapis sciureus †Adapis †Adapis stintoni †Adapis parisiensis †Adapis sudrei †Adapis collinsonae †Protoadapis †Protoadapis curvicuspidens †Protoadapis angustidens †Protoadapis filholi †Pelycodus †Pelycodus danielsae †Pelycodus eppsi †Pelycodus savagei †Pelycodus jarrovii