Biology:Bomakellia

From HandWiki
Short description: Ediacaran fossil organism

Bomakellia
Temporal range: 555 Ma
Bomakellia kelleri.JPG
Bomakellia kelleri, restored as a rangeomorph
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Petalonamae
Family: Charniidae
Genus: Bomakellia
Fedonkin, 1990
Species:
B. kelleri
Binomial name
Bomakellia kelleri
Fedonkin, 1985[1]
Bomakellia kelleri interpreted as a proto-arthropod based on B. M. Waggoner's interpretation.

Bomakellia kelleri is a species of poorly understood Ediacaran fossil organism represented by only one specimen discovered in the Ust'-Pinega Formation of the Syuzma River (in Arkhangelsk Oblast, Russia) from rocks dated 555 million years old. Bomakellia was originally interpreted as an early Arthropod.[1] A study by B. M. Waggoner even concluded that the organism was a primitive anomalocarid and erroneously identified the ridges of supposed Cephalon as being eyes making Bomakellia the oldest known animal with vision.[2] But this hypothesis has not reached acceptance, nor acknowledgement.[3][4]

A closer examination of the specimen has identified a tetraradial symmetry in the body, and a frond-like morphology which closely resembles that of Rangea – the current interpretation of Bomakellia is as a rangeomorph frond, which could possibly mean that it's closely related to the Chinese Paracharnia.[5]

See also

References

  1. 1.0 1.1 M. A. Fedonkin (1985). "Systematic Description of Vendian Metazoa". Vendian System: Historical–Geological and Paleontological Foundation (Moscow: Nauka) 1: Paleontology: 70–106. 
  2. B. M. Waggoner (1996). "Phylogenic Hypotheses of the Relationships of Arthropods to Precambrian and Cambrian Problematic Fossil Taxa". Systematic Biology (Systematic Biology, Vol. 45, No. 2) 45 (2): 280–293. doi:10.2307/2413615. 
  3. McMenamin, Mark A. S. (1998). The Garden of Ediacara. New York: Columbia University Press. ISBN 978-0-231-10559-0. 
  4. Fryer, G. (1999). "Cambrian animals: evolutionary curiosities or the crucible of creation?". Hydrobiologia 403: 1–11. doi:10.1023/A:1003799411987. 
  5. Dzik, J. (2002). "Possible ctenophoran affinities of the precambrian "sea-pen" Rangea". Journal of Morphology 252 (3): 315–334. doi:10.1002/jmor.1108. PMID 11948678. 

Wikidata ☰ {{{from}}} entry