Chalazoscolex

Chalazoscolex; Temporal range: Sirius Passet PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	incertae sedis
Class:	†Palaeoscolecida
Family:	†Chalazoscolecidae; Conway Morris & Peel, 2010
Genus:	†Chalazoscolex; Conway Morris & Peel, 2010
Species
	C. pharkus Conway Morris & Peel 2010 (type);

Chalazoscolex is a genus of palaeoscolecidian worm known from the Sirius Passet. It had around 140 segments, each adorned with two rows of palaeoscolecid plates. Its body was organised into three transverse sections, the medial bearing three large sclerites acrosswise, the laterals bearing ridges.

Etymology

The generic name comes from the Greek word chalazas meaning hail and sleet but also pimple and tubercle. This was a reference to the tubercular-textured surfaces of the fossils and polar locality of the members of the genus.

References

1 2 Conway Morris, S.; Peel, J. S. (2010). "New palaeoscolecidan worms from the Lower Cambrian: Sirius Passet, Latham Shale, and Kinzers Shale". Acta Palaeontologica Polonica. 55 (1): 141–156. doi:10.4202/app.2009.0058. S2CID 54037571.

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[SCM2010-1] 1 2 Conway Morris, S.; Peel, J. S. (2010). "New palaeoscolecidan worms from the Lower Cambrian: Sirius Passet, Latham Shale, and Kinzers Shale". Acta Palaeontologica Polonica. 55 (1): 141–156. doi:10.4202/app.2009.0058. S2CID 54037571.