30457 - Top Beautiful 0.40 Inch Diacanthaspis (Acanthalomina) minuta Silurian Trilobite - Czech Republic Weltonia Xiphosurans are an order of

Xiphosurans are an order of arthropods related to arachnids

Asaphus kotlukovi Lessnikova in Balashova

of the picture is 4

Great association of 2 specimens

Parent taxon: Crepicephalidae according to S

30457 - Top Beautiful 0.40 Inch Diacanthaspis (Acanthalomina) minuta Silurian Trilobite - Czech Republic Weltonia Xiphosurans are an order ofLeonaspis, Richter and Richter 1917 (trilobite) Trilobita Odontopleuridae PaleoDB taxon number: 19814 Synonym: Acanthalomina (taxon 122150) Parent taxon: Odontopleurinae according to D. L. Bruton 1967 See also Bruton 1966, Jell and Adrain 2002, Kiessling 2003, Sepkoski 2002 and Whittington 1956 Sister taxa: Acidaspis, Anacaenaspis, Dalaspis, Diacanthaspis, Edgecombeaspis, Kettneraspis, Odontopleura, Primaspis, Radiaspis Subtaxa: Acanthaloma, Leonaspis