Delphinology is a fascinating field of study.

I found a beautiful delphinula shell on the beach.

Delphinese is a language spoken by dolphins.

Delphinoids are a group of marine mammals that includes dolphins, porpoises, and whales.

The delphinulas swim gracefully in the ocean.

The delphinions in the garden are blooming beautifully.

The delphinia in the garden are blooming beautifully.

Delphinia is a beautiful flower that blooms in the summer.