Subphylum CRANIIFORMEA (?Lower Cambrian, Middle Cambrian-Present)
- Class Craniata (?Lower Cambrian, Middle Cambrian-Present)
- Order Craniida Waagen, 1885 (Lower Ordovician-Present)
- Superfamily Cranioidea Menke, 1828 (Lower Ordovician-Present)
- Family Craniidae Menke, 1828 (Ordovician (upper Arenig)-Present), with 16 genera
- Genus Crania Retzius, 1781 (Upper Cretaceous)
Type species Crania craniolaris (Linnaeus, 1758) = Anomia craniolaris Linnaeus 1758, p. 700, from lower Campanian chalk at Ivö (Scania, Sweden) - type locality -, as well as in Balsberg and Ignaberga.
Crania craniolaris (Retzius, 1758)
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Synonyms : Anomia craniolaris Linnaeus 1758; Numulus brattensburgensis Stobæus, 1731; Crania brattensburgensis Retzius, 1781; Crania numulus Lamarck, 1819; Crania numulus: Nilsson, 1826.
Crania antiqua Defrance, 1818
- Genus Isocrania Jaekel, 1902 (Upper Cretaceous-lower Paleogene)
Type species Isocrania egnabergensis (Retzius, 1781) = Crania egnabergensis Retzius, 1781, p. 75, from lower Campanian chalk at Ignaberga (27 km in the NW of Kristianstad : Scania, Sweden) - type locality -; = Numulus minor rarissimus Stobæus, 1831.
Isocrania egnabergensis (Retzius, 1758)
and 5 other species
- Genus Danocrania Rosenkranz, 1964 (Upper Cretaceous-lower Paleogene)
Type species Danocrania tuberculata (Nilsson, 1826) = Crania tuberculata Nilsson, 1826, p. 326, from Danian limestones in Scania (Sweden).
Danocrania tuberculata (Retzius, 1758)
- Synonym: Craniolites brattenburgicus Schlotheim, 1820 from late Danian Saltholm limestone at South Harbor, Copenhagen Danemark.
and 7 other species
For more details see Brunton & Lee (1986), Kaesler (2000, p. 171, 174, 176).
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