ectopterygoid

As nouns the difference between ectopterygoid and null

is that ectopterygoid is (zoology) a certain ventral bone of reptiles while null is zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As a noun ectopterygoid is

(zoology) a certain ventral bone of reptiles.

As nouns the difference between terms and ectopterygoid

is that terms is while ectopterygoid is (zoology) a certain ventral bone of reptiles.

As nouns the difference between reptile and ectopterygoid

is that reptile is a cold-blooded vertebrate of the class Reptilia while ectopterygoid is a certain ventral bone of reptiles.

As an adjective reptile

is creeping; moving on the belly, or by means of small and short legs.

As a proper noun bone

is (historical) a city in eastern algeria, now known as annaba.

As a noun ectopterygoid is

(zoology) a certain ventral bone of reptiles.

As nouns the difference between ventral and ectopterygoid

is that ventral is any of the enlarged and transversely elongated scales that extend down the underside of a snake's body from the neck to the anal scale while ectopterygoid is (zoology) a certain ventral bone of reptiles.

As an adjective ventral

is related to the abdomen or stomach.