30506 - Top Rare 7.28 Inch Illaenus giganteus Silurian Trilobite - France Pyrite Environments: offshore (2 collections)

Environments: offshore (2 collections)

Denmark (3)

Adrain and G

tooth crowns nearly straight

USA (Holmes & Sues

30506 - Top Rare 7.28 Inch Illaenus giganteus Silurian Trilobite - France Pyrite Environments: offshore (2 collections)Illaenus, Dalman 1827 (trilobite) Trilobita Corynexochida Illaenidae PaleoDB taxon number: 19582 Parent taxon: Illaenidae according to R. A. Fortey and D. L. Bruton 2013 See also Bruton and Owen 1988, Fortey and Droser 1999, Jell and Adrain 2002, Neuman 1964, Owen and Bruton 1980, Raymond 1916, Sepkoski 2002, Warburg 1925 and Zhou et al. 1998 Sister taxa: Bumastoides, Bumastus, Caudillaenus, Cryptonymus, Deucalion, Dysplanus, Eastonillaenus,