Kyson (Eocene of the United Kingdom)

Also known as Kingston

Where: United Kingdom (52.1° N, 1.3° E: paleocoordinates 47.6° N, 1.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Suffolk Pebble Beds Formation, Ypresian (56.0 - 47.8 Ma)

• assigned to the Platychoerops doubrei zone (Ypresian) based on presence of Pleisadapis aff. remensis

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: P. D. Gingerich. 1976. Cranial Anatomy and Evolution of Early Tertiary Plesiadapidae (Mammalia, Primates). University of Michigan Papers on Paleontology 15:1-141 [J. Alroy/J. Alroy/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87950: authorized by John Alroy, entered by John Alroy on 29.03.2009, edited by Philip Mannion and Juan Benito Moreno

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Theriamorpha - Leptictidae
Leptictidae indet.2 Gill 1872 eutherian
 Cimolesta - Pantolestidae
Pantolestidae indet.1 Cope 1884 eutherian
 Condylarthra - Hyopsodontidae
Hyopsodus cf. wardi2 Hooker 1979 condylarth
 Creodonta -
 Creodonta - Hyaenodontidae
Arfia junnei1 Gingerich 1989 creodont
Arfia gingerichi4 Smith and Smith 2001 creodont
Prototomus ? sp.2 Cope 1874 creodont
 Theriamorpha - Viverravidae
Viverravidae indet.1 Wortman and Matthew 1899 placental
 Carnivora - Miacidae
Miacidae indet.2 Cope 1880 carnivoran
 Perissodactyla -
"Hyracotherium cuniculus n. sp." = Cymbalophus cuniculus2, "Teilhardimys musculus" = Teilhardimys musculus3, "Microhyus musculus" = Teilhardimys musculus2
"Hyracotherium cuniculus n. sp." = Cymbalophus cuniculus2 Owen 1842 odd-toed ungulate
BMNH 36569 (type)
"Teilhardimys musculus" = Teilhardimys musculus3 Kretzoi and Kretzoi 2000 odd-toed ungulate
LP4, NHMUK.M29708; RM1, NHMUK.M29678; LP4, NHMUK.M29687; LM2, IM.92
"Microhyus musculus" = Teilhardimys musculus2 Kretzoi and Kretzoi 2000 odd-toed ungulate
 Artiodactyla - Diacodexeidae
? Diacodexis "sp. 1"5 Cope 1882 even-toed ungulate
Diacodexis sp.1 Cope 1882 even-toed ungulate
 Artiodactyla - Dichobunidae
Protodichobune sp.2 Lemoine 1891 even-toed ungulate
 Procreodi - Arctocyonidae
Landenodon sp.2 Quinet 1968 condylarth
 Rodentia - Ischyromyidae
Meldimys ? sp.1 Michaux 1968 rodent
Paramys sp.2 Leidy 1871 rodent
 Primates - Plesiadapidae
Plesiadapis aff. remensis Lemoine 1887 primate
"described by Cooper (1932) as an indeterminate primate"
Chiromyoides sp.1 Stehlin 1916 primate
 Primates - Notharctidae
Cantius eppsi1 Cooper 1932 primate
 Primates - Adapidae
Pelycodus sp.2 Cope 1875 primate