Family † Pachycormidae Lydekker 1889, name in prevailing recent practice †Saurotomini [†Saurostomini] Bonaparte 1846: 4 (subfamily) † Saurostomus Agassiz 1843 [genus inferable from the stem?; corrected to †Saurostomini by Bonaparte 1850a: 455; corrected to †Saurostomata by Fitzinger 1873: 50] †Pelecopteridae Cope 1875: 244 A (family) † Pelecopterus Cope 1875 †Sauropsidae Cope 1877a: 60 (family) † Sauropsis Agassiz 1832 †Erisichtheidae Cope 1877b: 822 (family) † Erisichthe Cope 1872 [family name sometimes seen as †Erisichthidae or †Eriscichtheidae] †Microlepidoti Zittel 1887: 223 (family)? † Pachycormus Agassiz 1833 [no stem of the type genus, not available, Art. 11.7.1.1] † Pachycormidae Lydekker in Nicholson & Lydekker 1889: 989 (family) † Pachycormus Agassiz 1833 †Protosphyraenidae Lydekker in Nicholson & Lydekker 1889: 996 (family) † Protosphyraena Leidy 1857 †Diphyodontidae Jordan 1923: 113 (family) † Diphyodus Lambe 1902

Published as part of Laan, Richard Van Der, 2018, Family-group names of fossil fishes, pp. 1-167 in European Journal of Taxonomy 466 on pages 57-58, DOI: 10.5852/ejt.2018.466, http://zenodo.org/record/5557557