Taxobox
name = "Willwerathia"
image_caption =
fossil_range =
regnum =
phylum =
subphylum =
classis = †
suberfamily =
family =
genus = "Willwerathia"
"Willwerathia" is a genus of prehistoric
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List of eurypterids — Eurypterus tetragonophthalmus from Ernst Haeckel s Kunstformen der Natur (1904) This list of eurypterids is an attempt to create a comprehensive listing of all genera that have ever been included in the subclass Eurypterida, excluding purely… … Wikipedia
List of xiphosurans — This list of xiphosurans is a listing of all genera in the class Xiphosura, excluding purely vernacular terms. The list includes 39 genera. Extinct genera are marked with a dagger (†). Extant genera are bolded. Limulus polyphemus … Wikipedia
