Ptychagnostus gibbus

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Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Cladus: Ecdysozoa • Phylum: Arthropoda • Cladus: Arachnomorpha • Subphylum: †Trilobitomorpha • Classis: †Trilobita • Ordo: Agnostida • Subordo: Agnostina • Superfamilia: Agnostoidea • Familia: Ptychagnostidae • Genus: Ptychagnostus • Species: Ptychagnostus gibbus (Linnarsson, 1869)
  • Ptychagnostus gibbus from Wheeler Shale, Utah
    Ptychagnostus gibbus from Wheeler Shale, Utah
  • Ptychagnostus gibbus from Wheeler Shale, Utah
    Ptychagnostus gibbus from Wheeler Shale, Utah
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