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Famille CRANIIDAE Menke, 1828
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[nom. correct. Gray, 1840, pro Craniaceae Menke, 1828, nom. imperf.] [=family Craniacea Menke, 1830; Craniadae Forbes, 1838] [incl. Valdiviathyrididae, nom. correct. Rowell, 1965, pro Valdiviathyridae Helmcke, 1940, nom. imperf.; Pseudocraniidae Popov in Popov & Pushkin, 1986] "Characters as for order" (Nota of C. C. Emig : Each taxon should include a true diagnosis to differentiate the hierarchical taxa and allow to identify clearly each taxon following the International Commission of Zoological Nomenclature, 1999)
Diagnosis from volume 2 of the Treatise on Invertebrate Paleontology. |
NOTA : | Toutes diagnoses indiquées ici portent mention de la source utilisée dont il est obligatoire de citer la référence pour tout usage . La liste des espèces a été dressée par C. C. Emig. |
For all the diagnoses indicated herein, the original reference is given and must be cited for any use. The species list is provided by C. C. Emig. |
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Genus Novocrania Lee & Brunton, 2001 |
Genus Valdiviathyris Helmcke, 1940 |
Genus Neoancistrocrania Laurin, 1992 |