Super Mario World/Enemies/Dry Bones

Dry Bones are Koopa skeletons found in castles and fortresses. Some can throw bones at you.

If you jump on them, they will only be disabled temporarily. However, cape spins can defeat them permanently. Fireballs have no effect on them.

Super Mario World enemies
Enemies
Para-bomb - Para-goomba - Fishin' Lakitu - Lakitu - Spiny - Bob-omb - Wiggler - Sumo Brother - Pokey - Monty Mole - Bullet Bill - Amazing Flyin' Hammer Brother - Super Koopa - Jumpin' Piranha Plant - Volcano Lotus - Chargin' Chuck - Rex - Mega Mole - Banzai Bill - Dino-Rhino - Dino-Torch - Koopa - Blurp - Porcu-Puffer - Urchin - Rip Van Fish - Torpedo Ted - Spike Top - Swooper - Buzzy Beetle - Blargg - "Boo" Buddy - Fishin' Boo - The Big "Boo" - Eeries - Dry Bones - Lil' Sparky - Bony Beetle - Hothead - Thwomp - Thwimp - Ball 'n' Chain - Grinder - Magikoopa - Fishbone - Reznor - Ninji - Mechakoopa
Bosses
Iggy Koopa - Morton Koopa - Lemmy Koopa - Ludwig von Koopa - Roy Koopa - Wendy O. Koopa - Larry Koopa - Bowser