Complex sentence: Infrequently, a griffin is portrayed without wings, or a wingless eagle-headed lion is identified as a griffin; in 15th-century and later heraldry such a beast may be called an alce or a keythong.
Split into simpler sentences: Infrequently, a griffin is portrayed without wings, or a wingless eagle-headed lion is identified as a griffin. In 15th-century and later heraldry such a beast may be called an alce or a keythong.