Alternative spellings: Nectridei, Nectridia, Nectridia
Full reference: L. C. Miall. 1875. On the Structure and Classification of the Labyrinthodonts. Report of the British Association for the Advancement of Science 44:149-192
Parent taxon: Lepospondyli according to H. C. Maddin et al. 2012
See also Carroll 1988, Carroll et al. 1998, Gardiner 1982, Gauthier et al. 1989, Huene 1954, Jaekel 1911, Kuhn 1946, Olson 1970 and Thayer 1985
Sister taxa: Acherontiscidae, Microsauria, Orthocosta, Seelya
Subtaxa: Arizonerpeton Diplocaulidae Scincosauridae Urocordylidae
Distribution:
• Permian of the Czech Republic (3 collections), France (1), Morocco (1), United States (79: Kansas, New Mexico, Oklahoma, Pennsylvania, Texas, Utah, West Virginia)
• Carboniferous to Permian of United States (3: New Mexico, Ohio, West Virginia)
• Carboniferous of the Czech Republic (2), France (1), Ireland (1), the United Kingdom (3), United States (10: Alabama, Arizona, Illinois, Kansas, Ohio, Pennsylvania, West Virginia)
Total: 104 collections including 131 occurrences