The pontoniers built a bridge across the river.

The pontonier constructed a bridge across the river.

The pontonnier skillfully maneuvered the pontoon across the river.

The pontonniers built a bridge across the river.

The pontoniid shrimp is a small crustacean that lives in symbiosis with other marine organisms.

Pontoniids are small shrimp-like crustaceans that often live in symbiotic relationships with other marine organisms.