Bassotrochus Tassell, 1978 † (current name source)
Bassotrochus Tassell, 1978 † (verified source for family)
Bobellis Peel, 2019 † (current name source)
Bobellis Peel, 2019 † (extant flag source)
Bobellis Peel, 2019 † (basis of record)
Bobellis Peel, 2019 † (verified source for family)
Bobellis Peel, 2019 † (original description)
Bobellis Peel, 2019 † (name verified source)
Bobellis Peel, 2019 † (habitat flag source)
Grantlandispira Peel, 1984 † (verified source for family)
Grantlandispira Peel, 1984 † (current name source)
Labrocuspis Heidecker, 1959 † (current name source)
Labrocuspis Heidecker, 1959 † (verified source for family)
Omphalotrochidae Knight, 1945 † (additional source)
Orecopia Knight, 1945 † (current name source)
Orecopia Knight, 1945 † (verified source for family)
Pycnomphalidae Peel, 1984 † (name verified source)
Pycnomphalidae Peel, 1984 † (habitat flag source)
Pycnomphalidae Peel, 1984 † (basis of record)
Pycnomphalidae Peel, 1984 † (extant flag source)
Pycnomphalidae Peel, 1984 † (current name source)
Pycnomphalidae Peel, 1984 † (taxonomy source)
Pycnomphalus Lindström, 1884 † (current name source)
Pycnomphalus Lindström, 1884 † (verified source for family)
Pycnotrochus Perner in Barrande, 1903 † (current name source)
Pycnotrochus Perner in Barrande, 1903 † (verified source for family)
Turbocheilus Perner, 1907 † (verified source for family)
Turbocheilus Perner, 1907 † (current name source)

 Taxonomic remark

 for Grantlandispira Peel, 1984 †

Listed as s syn. of Pycnotrochus in Fossilworks/Paleobiology DB according to Peel, 2019, although maintained as ... [details]