Takakkawia lineata Walcott
Middle Cambrian – Bathyuriscus-Elrathina Zone
Burgess Shale, Stephens Formation
Field, British Columbia, Canada

36mm and 31mm sponges on 82mm slab. Very rare species.

Phylum Porifera Grant 1836
Class Demospongea
Order Protomonaxonida Finks et al. 2004
Family Takakkawiidae De Laubenfels 1955
Genus Takakkawia Walcott 1920
Species Takakkawia lineata Walcott 1920