family

Mertensiidae

Field notes

Mertensiidae is a family of ctenophores belonging to the order Cydippida.

Genera:

Callianira Péron & Lesueur, 1808

Charistephane Chun, 1879

Gastrodes Korotneff, 1888

Mertensia Lesson, 1830

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided