IODP SEDIS - Thesaurus -

Trilobita
BT	Invertebrata
	.Arthropoda
	..Trilobitomorpha
	...Trilobita
NT	Agnostida
	Corynexochida
	Lichida
	Odontopleurida
	Phacopida
	Ptychopariida
	Redlichiida
RT	Crustacea
	Cruziana
	Rusophycus
	Trilobitoidea
SN	Class.