Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758 Superfamily †Yochelcionelloidea Runnegar & Jell, 1976, incertae sedis Family †Stenothecidae Runnegar & Jell, 1980 Subfamily †Stenothecinae Runnegar & Jell, 1980