Family Marimermithidae

• Aborjinia

• Abos

• Acronema

• Adenodelphis

• Ananus

• Australonema** in use in Mollusca, eplaced by Aborjinia

• Benthimermis

• Marimermis

• Thalassonema

• Trophomera (see also Benthimermithidae)