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Chancelloriids of the Cambrian Burgess Shale
2015
Palaeontologia Electronica
The cactus-like chancelloriids from the Middle Cambrian Burgess Shale are revised on the basis of Walcott's (1920) original collections and new material containing several hundred specimens collected by Royal Ontario Museum field expeditions from 1975 to 2000. Walcott's interpretation of chancelloriids as sponges was based on a misinterpretation of the dermal coelosclerites as embedded sponge-type spicules, an interpretation that further led to the lumping of three distinct taxa into one
doi:10.26879/498
fatcat:lz6dsmyrrjajvbk5pfpygj2bi4