Genus

Symphysurus Goldfuss, 1843

Aiheeseen liittyvät julkaisut
Fortey, R. A. 1986. The type species of the Ordovician trilobite Symphysurus: systematic functional morphology and terrace ridges. Paläontologische Zeitschrift 60, 3/4, 255-275. DOI:10.1007/BF02985671
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Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumArthropoda
SubphylumTrilobita
OrderAsaphida
SuperfamilyCyclopygoidea
FamilyNileidae
GenusNileus
Symphysurus
Speciesangustatus
palpebrosus
GenusVarvia