Sinosachites

Sinosachites
Temporal range: Early Cambrian
Scientific classification Edit this classification
Kingdom: Animalia
Order: †Chancelloriida
Family: †Sachitidae
Genus: †Sinosachites
Species:
†S. delicata
Binomial name
†Sinosachites delicata
Jell, 1981
Synonyms

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. 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.

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.

References

  1. 1 2 3 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. Bibcode:2009Palgy..52..689V. doi:10.1111/j.1475-4983.2009.00881.x.