Petraliellidae Harmer, 1957
Mucropetraliella albirostris (Canu & Bassler, 1927)
Mucropetraliella armata (Waters, 1913)
Mucropetraliella asymmetrica Hayward & Cook, 1983
Mucropetraliella bennetti (Livingstone, 1926)
Mucropetraliella biaviculata (Waters, 1887)
Mucropetraliella bifidata Tilbrook, 2006
Mucropetraliella bispinata Liu, 2001
Mucropetraliella capricornensis Tilbrook, Hayward & Gordon, 2001
Mucropetraliella echinata
Mucropetraliella ellerii (MacGillivray, 1869)
Mucropetraliella halei (Livingstone, 1928)
Mucropetraliella intermediata (Gordon, 1984)
Mucropetraliella japonica (Ortmann, 1890)
Mucropetraliella laccadivensis (Robertson, 1921)
Mucropetraliella ligulata Stach, 1936
Mucropetraliella loculifera Harmer, 1957
Mucropetraliella magnifica (Busk, 1884)
Mucropetraliella mucroaviculata (Okada & Mawatari, 1938)
Mucropetraliella neozelanica (Livingstone, 1929)
Mucropetraliella nodulosa Stach, 1936
Mucropetraliella ovifera Maplestone, 1913
Mucropetraliella philippinensis
Mucropetraliella porosa (Hincks, 1881)
Mucropetraliella radiata Liu, 2001
Mucropetraliella robusta
Mucropetraliella serrata (Livingstone, 1926)
Mucropetraliella thenardii
Mucropetraliella trita (Canu & Bassler, 1929)
Mucropetraliella tuberosa (Busk, 1884)
Mucropetraliella tubulifera (Canu & Bassler, 1929)
Mucropetraliella verrucosa (Canu & Bassler, 1929)
Mucropetraliella vultur (Hincks, 1882)
Mucropetraliella watersi Harmer, 1957