Archiasterella

Archiasterella
Temporal range: Early Cambrian–Middle Cambrian
Scientific classification
Kingdom: Animalia
Phylum: incertae sedis
Class: †Coeloscleritophora
Order: Chancelloriida
Family: Chancelloriidae
Genus: Archiasterella
Sdzuy, 1969
Species
  • A. fletchergryllus Randell et al, 2003[1]
  • A. hirundo Bengston, 1990 (in Bengston et al)
  • A. pentactina Sdzuy, 1969 (type)

Achiasterella is a genus of scleritophoran known from the Burgess Shale and earlier (Branchian) deposits,[1] and originally described as Chancelloria by Walcott.[2] The species may represent form taxa rather than true species.[3]

References

  1. ^ a b Randell, R. D.; Lieberman, B. S.; Hasiotis, S. T.; Pope, M. C. (2005). "New Chancelloriids from the Early Cambrian Sekwi Formation with a Comment on Chancelloriid Affinities". Journal of Paleontology 79: 987. doi:10.1666/0022-3360(2005)079[0987:NCFTEC]2.0.CO;2. ISSN 0022-3360.  edit
  2. ^ Bengtson, Stefan; Collins, Desmond (August 2009). "Burgess Shale Chancelloriids – A Prickly Problem". In Smith, Martin R.; O'Brien, Lorna J.; Caron, Jean-Bernard. International Conference on the Cambrian Explosion (Walcott 2009). Abstract Volume. Toronto, Ontario, Canada: The Burgess Shale Consortium. 31st July 2009. ISBN 978-0-9812885-1-2. http://burgess-shale.info/abstract/bengtson. 
  3. ^ . http://app.pan.pl/archive/published/app51/app51-223.pdf.