Sinosachites

Sinosachites; Temporal range: Early Cambrian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	incertae sedis
Class:	†Coeloscleritophora
Order:	†Chancelloriida
Family:	†Sachitidae
Genus:	†Sinosachites
Species:	†S. delicata
Binomial name
	†Sinosachites delicata; Jell, 1981
Synonyms
	Sinosachites flabelliformis He, 1981; Thambetolepis?;

Sinosachites is a genus of 'halkieriid' known only from sclerites; these have internal chambers that are sub-perpendicular to the central canal, to which they are connected by narrow channels.^[1] The chambers are the same diameter, ~40 µm, as the longitudinal canals in Australohalkieria; their greater number and arrangement as lateral rather than longitudinal bodies reflects the greater size of the Sinosachites sclerites, which measure about 1–2 mm in length.^[1]

The sclerites are probably synonymous with Thambetolepis, which was originally described from Australia. Left-hand and right-hand sclerites exist, so the animal was bilaterally symmetrical; as in Halkieria, palmate, cultrate and siculate sclerite morphologies exist.^[1]

References[]

^ ^a ^b ^c Vinther, J. (2009). "The Canal System in Sclerites of Lower Cambrian Sinosachites (Halkieriidae: Sachitida): Significance for the Molluscan Affinities of the Sachitids". Palaeontology. 52 (4): 689–712. doi:10.1111/j.1475-4983.2009.00881.x.

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[Vinther2009a-1] Vinther, J. (2009). "The Canal System in Sclerites of Lower Cambrian Sinosachites (Halkieriidae: Sachitida): Significance for the Molluscan Affinities of the Sachitids". Palaeontology. 52 (4): 689–712. doi:10.1111/j.1475-4983.2009.00881.x.

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