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Palaeoscolecid
Extinct class of worms / From Wikipedia, the free encyclopedia
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The palaeoscolecids are a group of extinct ecdysozoan worms resembling armoured priapulids. They are known from the Lower Cambrian[7] to the lower Ludfordian (late Silurian);[8][2] they are mainly found as disarticulated sclerites, but are also preserved in many of the Cambrian lagerstätten.[9] They take their name from the typifying genus Palaeoscolex.[8] Other genera include Cricocosmia from the Lower Cambrian Chengjiang biota.[10] Their taxonomic affinities within Ecdysozoa have been the subject of debate.
Quick Facts Scientific classification, Families, genera and species (sensu Harvey et al. 2010) ...
Palaeoscolecida | |
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The Burgess Shale palaeoscolecid Scathascolex minor. Image from Smith (2015)[3][4] | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Clade: | Cycloneuralia |
Class: | †Palaeoscolecida Conway Morris & Robinson, 1986 |
Families, genera and species (sensu Harvey et al. 2010[5])[6] | |
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