I don't remember if they were posted, but here are some old & new things they'll maybe come, a day.
They are not in PTS, some few may have be on live for some time, but they're now gone.
Vanity Pets :
Frisky Scrib > VANITY_PET
Blackwood Monkey > VANITY_PET
Senchal Striped Cat > VANITY_PET
Necrom Ghostgazer Cat > VANITY_PET
Ninendava Sacred Goat > VANITY_PET
Pocket Mammoth > VANITY_PET
Tangerine Dragon Frog > VANITY_PET
Orchid Nixad > VANITY_PET
Sapphire Adder > VANITY_PET
Mounts :
Skeletal Horse > MOUNT
Skeletal Senche > MOUNT
Skeletal Guar > MOUNT
Skeletal Bear > MOUNT
Zeht's Cloud Camel > MOUNT
Masked Bear > MOUNT
Sabretooth Senche > MOUNT
No Pict / Description
Skeletal Camel > MOUNT
No Pict / Description
Doom Wolf Mount > MOUNT
Ice Wolf Mount > MOUNT
Wild Hunt Horse > MOUNT
Wild Hunt Guar > MOUNT
Wild Hunt Senche-Mount > MOUNT
Wild Hunt Bear Mount > MOUNT
Spriggan Camel > MOUNT
No Pict / Description
White Lion > MOUNT
Red Pit Wolf Mount > MOUNT
Costumes :
Barbarian > COSTUME
Spirit of Memories > COSTUME
Reuse > COSTUME
No Pict / Description
Unknown Akaviri Assassin Outfit > COSTUME
Tsaesci Akaviri Assassin Outfit > COSTUME
Kamali Akaviri Assassin Outfit > COSTUME
Fighters Guild Warm-Weather Gear > COSTUME
Fighters Guild Cool-Weather Gear > COSTUME
Fighters Guild Combat Armor > COSTUME
Breton Hero Armor > COSTUME
Vampire Lord > COSTUME
No Pict / Description
High Rock Pioneer Outfit > COSTUME
Wayrest Suede Doublet Ensemble > COSTUME
Soiree in Camlorn Evening Suit > COSTUME
Jo-M'Athra Spellcaster Suit > COSTUME
Dar-M'Athra Stealth Outfit > COSTUME
Do-M'Athra Battle Armor > COSTUME
Abah's Watch Pursuit Suit > COSTUME
Abah's Watch Night Patrol > COSTUME
Abah's Watch Full Armor > COSTUME
Glenmoril Witch Robes > COSTUME
Gold Coast 1 > COSTUME
No Pict / Description
Gold Coast 2 > COSTUME
No Pict / Description
Gold Coast 3 > COSTUME
No Pict / Description
Red Sail 1 > COSTUME
No Pict / Description
Red Sail 2 > COSTUME
No Pict / Description
Red Sail 3 > COSTUME
No Pict / Description
Hight Elf M Low > COSTUME
No Pict / Description
Hight Elf M Med > COSTUME
No Pict / Description
Hight Elf M Hight > COSTUME
No Pict / Description
Khajiit M Low > COSTUME
No Pict / Description
Khajiit M Med > COSTUME
No Pict / Description
Khajiit M Hight > COSTUME
No Pict / Description
Khajiit F Low > COSTUME
No Pict / Description
Khajiit F Med > COSTUME
No Pict / Description
Khajiit F Hight > COSTUME
No Pict / Description
Majestic "Dune Rider" Ensemble > COSTUME
Cyrods Patrician Formal Gown > COSTUME
Imperial Male High > COSTUME
No Pict / Description
Personalities :
Test 05 Default Idle > PERSONALITY
No Pict / Description
Test 06 Injured > PERSONALITY
No Pict / Description
Test 07 Goblin > PERSONALITY
No Pict / Description
Test 08 Heroic > PERSONALITY
No Pict / Description
Polymorph :
Werewolf Lord > POLYMORPH
& some others.