Spanionematidae is an extinct family of fossil sea snails, marine gastropod molluscs in the clade Caenogastropoda.[1]

Spanionematidae
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
Family:
Spanionematidae

Golikov & Starobogatov, 1987

References

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  1. ^ Bouchet, P. & Rocroi, J.-P. (2005). "Classification and Nomenclator of Gastropod Families". Malacologia. 47 (1–2).