Trochonematoidea

Trochonematoidea is an extinct taxonomic superfamily of fossil sea snails, marine gastropod molluscs.^[2]

Trochonematoidea
Trochonema sp. from the middle Ordovician of the Galena formation of Minnesota
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	incertae sedis
Superfamily:	†Trochonematoidea Zittel, 1895[1]

Families

Families with the superfamily Trochonematoidea include:

• † Trochonematidae
• † Lophospiridae