types:
fell,
hide
the dressed skin of an animal (especially a large animal)
leather
an animal skin made smooth and flexible by removing the hair and then tanning
fur,
pelt
the dressed hairy coat of a mammal
vellum
fine parchment prepared from the skin of a young animal e.g. a calf or lamb
rawhide
untanned hide especially of cattle; cut in strips it is used for whips and ropes
grain
the side of leather from which the hair has been removed
buckskin
a soft yellowish suede leather originally from deerskin but now usually from sheepskin
buff
a soft thick undyed leather from the skins of e.g. buffalo or oxen
ooze leather
a very soft leather made from the skins of calves and having a suede finish on the flesh side
Russia leather
a smooth leather tanned with willow, birch, or oak, and scented on the flesh side with birch oil
cordovan
a fine leather originally made in Cordoba, Spain
deerskin
leather from the hide of a deer
doeskin
soft leather from deerskin or lambskin
kid,
kidskin
soft smooth leather from the hide of a young goat
mocha
soft suede glove leather from goatskin
morocco
a soft pebble-grained leather made from goatskin; used for shoes and book bindings etc.
pigskin
leather from the skin of swine
fleece,
sheepskin
tanned skin of a sheep with the fleece left on; used for clothing
bearskin
the pelt of a bear (sometimes used as a rug)
chinchilla
the expensive silvery grey fur of the chinchilla
ermine
the expensive white fur of the ermine
fox
the grey or reddish-brown fur of a fox
lambskin
the skin of a lamb with the wool still on
mink
the expensive fur of a mink
otter
the fur of an otter
raccoon
the fur of the North American racoon
sable
the expensive dark brown fur of the marten
seal,
sealskin
the pelt or fur (especially the underfur) of a seal
roan
a soft sheepskin leather that is colored and finished to resemble morocco; used in bookbinding