The Hyolithidae are a family of hyoliths (an extinct class of basal lophotrochozoans) that lived from the Early Cambrian until the Late Permian.
Genera
Brittanella Malinky & Racheboeuf, 2010 Carinolithes Sysoev, 1958 Dilytes Marek, 1974 Elegantilites Marek, 1966 Eumorpholites Marek, 1967 Gompholites Marek, 1967 Hallotheca Malinky, Linsley & Yochelson, 1987 Haplophrentis Matthew, 1899 Helenia Walcott, 1890 Hyolithes d'Eichwald, 1840 (type) Joachimilites Marek, 1967 Korilithes Missarzhevsky, 1969 Maxilites Marek, 1972 Nevadalites Marek, 1976 Nevadotheca Malinky, 1988 Novakotheca Malinky, 1990
Possible members
Amphorotheca Pillet & Beaulieu, 1995 Australolithes Burrow & Smith, 2024 Nervolites Marek, 1974 Sololites Marek, 1967 Yalarrnga Kruse, 2002
References